Nabble - Struts

how to fix Validation isses in a wizard application + Train

2008-07-23T21:50:16Z

hi,

The issue:

1. We have implemented a wizard application (with 4 Steps) with action variables maintained in session.
2. The pages also have train in the top, i.e. from any step he can jump to any of the other steps.
3. The Step1, 2,3,4 (mentioned above ) are interdependent i.e. based on selection in step 1 step 2 is influenced; based on selection in step 2 step 3 is influenced and so on

4. Now: In step 1 user entered wrong value (10000 say) for integer field which is not allowed by validations. He clicks on save and page throws validation exceptions (Expected)
5. He then clicks on train 2 i.e. he is jumping to page 2
6. The page is being displayed based on the incorrect value (100000) which was rejected by validation of first page. If i use the train again and go back to the 1st step i still see 10000 there

7. Question: When validation error happens aren't the action variable values restored to the previous once?(say the prev once is 10 or 0 i think they should be reset to 10 or 0 when system throws error at 10000). Is there any way in which this can happen?

is there any way to call an interceptor/ execute a method after the JSP is rendered? so that i can restore variables back incase of validation errors.

Please help.

cheers,
ravi

From forum: Struts - User

Re: S2 REST plugin

2008-07-23T20:00:31Z

Mike Watson wrote:

> Hi folks,
>
> As mentioned in previous posts I'm using the REST plugin to serve
> images and everything seems to work fine when the content exists.
>
> However if I return an empty inputstream to StreamResult with a 404
> response code I get the exception below.
> Stepping through the code the getBufferSize() method on my controller
> is definitely called and returns a legitimate value...
>

Does this only occur when you return a null or 0 buffer size?

My guess is that it's a bug in the StreamResult or the result handler.
It probably evaluates "${bufferSize}" and deduces that the property
doesn't exist (because it's null/0) and uses it as a literal string
value instead. That's just a guess.

Is it really valid to return a zero length stream result? I would
instead return a http status result with 404 / NullResult for the error
case (ie. just headers, no content).

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From forum: Struts - User

S2 REST plugin

2008-07-23T19:13:47Z

Hi folks,

As mentioned in previous posts I'm using the REST plugin to serve
images and everything seems to work fine when the content exists.

However if I return an empty inputstream to StreamResult with a 404
response code I get the exception below.
Stepping through the code the getBufferSize() method on my controller
is definitely called and returns a legitimate value...

My struts.xml is included below the stack trace. Does anyone have any
suggestions why I'm getting this error (the calling client doesn't see
it it's just messing up my logs).

[24/07/08 14:03:40:390 NZST] 0000001c SystemErr R
java.lang.NumberFormatException: For input string: "${bufferSize}"
[24/07/08 14:03:40:390 NZST] 0000001c SystemErr R at
java.lang.NumberFormatException.forInputString(NumberFormatException.java:63)
[24/07/08 14:03:40:390 NZST] 0000001c SystemErr R at
java.lang.Long.parseLong(Long.java:418)
[24/07/08 14:03:40:390 NZST] 0000001c SystemErr R at
java.lang.Long.parseLong(Long.java:476)
[24/07/08 14:03:40:390 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.conversion.impl.DefaultTypeConverter.longValue(DefaultTypeConverter.java:209)
[24/07/08 14:03:40:390 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.conversion.impl.DefaultTypeConverter.convertValue(DefaultTypeConverter.java:122)
[24/07/08 14:03:40:390 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.conversion.impl.DefaultTypeConverter.convertValue(DefaultTypeConverter.java:72)
[24/07/08 14:03:40:390 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.conversion.impl.XWorkBasicConverter.doConvertToNumber(XWorkBasicConverter.java:382)
[24/07/08 14:03:40:390 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.conversion.impl.XWorkBasicConverter.convertValue(XWorkBasicConverter.java:118)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.conversion.impl.XWorkConverter.convertValue(XWorkConverter.java:295)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.ognl.OgnlTypeConverterWrapper.convertValue(OgnlTypeConverterWrapper.java:28)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
ognl.OgnlRuntime.getConvertedType(OgnlRuntime.java:701)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
ognl.OgnlRuntime.getConvertedTypes(OgnlRuntime.java:717)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
ognl.OgnlRuntime.getConvertedMethodAndArgs(OgnlRuntime.java:740)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
ognl.OgnlRuntime.getAppropriateMethod(OgnlRuntime.java:797)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
ognl.OgnlRuntime.callAppropriateMethod(OgnlRuntime.java:808)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
ognl.OgnlRuntime.setMethodValue(OgnlRuntime.java:978)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
ognl.ObjectPropertyAccessor.setPossibleProperty(ObjectPropertyAccessor.java:75)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
ognl.ObjectPropertyAccessor.setProperty(ObjectPropertyAccessor.java:131)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.ognl.accessor.ObjectAccessor.setProperty(ObjectAccessor.java:28)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
ognl.OgnlRuntime.setProperty(OgnlRuntime.java:1670)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
ognl.ASTProperty.setValueBody(ASTProperty.java:101)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
ognl.SimpleNode.evaluateSetValueBody(SimpleNode.java:177)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
ognl.SimpleNode.setValue(SimpleNode.java:246)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
ognl.Ognl.setValue(Ognl.java:476)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.ognl.OgnlUtil.setValue(OgnlUtil.java:192)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.ognl.OgnlUtil.internalSetProperty(OgnlUtil.java:385)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.ognl.OgnlUtil.setProperties(OgnlUtil.java:84)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.ognl.OgnlReflectionProvider.setProperties(OgnlReflectionProvider.java:54)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.ObjectFactory.buildResult(ObjectFactory.java:218)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.DefaultActionInvocation.createResult(DefaultActionInvocation.java:201)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:348)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:258)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
org.apache.struts2.rest.RestWorkflowInterceptor.doIntercept(RestWorkflowInterceptor.java:221)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:229)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:249)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:229)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:122)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:229)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
org.apache.struts2.rest.ContentTypeInterceptor.intercept(ContentTypeInterceptor.java:67)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:229)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:179)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:229)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:140)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:229)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:93)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:229)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:225)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:229)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:89)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:229)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:128)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:229)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:179)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:229)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
org.apache.struts2.interceptor.ProfilingActivationInterceptor.intercept(ProfilingActivationInterceptor.java:104)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:229)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:267)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:229)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:126)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:229)
[24/07/08 14:03:40:406 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:148)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:229)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:138)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:229)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
org.apache.struts2.interceptor.MessageStoreInterceptor.intercept(MessageStoreInterceptor.java:204)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:229)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:229)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:128)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:229)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:176)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:229)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.opensymphony.xwork2.DefaultActionProxy.execute(DefaultActionProxy.java:129)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:449)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:395)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:190)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:130)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.ibm.ws.webcontainer.filter.WebAppFilterChain._doFilter(WebAppFilterChain.java:87)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:768)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:676)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.ibm.ws.webcontainer.filter.WebAppFilterManager.invokeFilters(WebAppFilterManager.java:691)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.ibm.ws.wswebcontainer.filter.WebAppFilterManager.invokeFilters(WebAppFilterManager.java:118)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.ibm.ws.webcontainer.extension.DefaultExtensionProcessor.invokeFilters(DefaultExtensionProcessor.java:791)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.ibm.ws.webcontainer.extension.DefaultExtensionProcessor.handleRequest(DefaultExtensionProcessor.java:741)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.ibm.ws.wswebcontainer.extension.DefaultExtensionProcessor.handleRequest(DefaultExtensionProcessor.java:113)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3276)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:267)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:811)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.ibm.ws.wswebcontainer.WebContainer.handleRequest(WebContainer.java:1455)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:113)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:454)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:383)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:263)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.sendToDiscriminators(NewConnectionInitialReadCallback.java:214)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:113)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:165)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:136)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.ibm.io.async.ResultHandler.complete(ResultHandler.java:195)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:743)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:873)
[24/07/08 14:03:40:421 NZST] 0000001c SystemErr R at
com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1469)

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts
Configuration 2.0//EN"
"http://jakarta.apache.org/struts/dtds/struts-2.0.dtd" >
<struts>
<constant name="struts.action.extension"
value="xhtml,,xml,json,img,png" />

<constant name="struts.devMode" value="true" />

<bean type="org.apache.struts2.dispatcher.mapper.ActionMapper"
name="hierarchical"
class="net.somecompany.rest.actionmapper.HierarchicalRestActionMapper"
/>
<constant name="struts.mapper.class"
value="hierarchical"/>


<constant name="struts.codebehind.pathPrefix" value="/WEB-INF/results/"/>

<bean name="namedVariablePatternMatcher"
type="com.opensymphony.xwork2.util.PatternMatcher"
class="com.opensymphony.xwork2.util.NamedVariablePatternMatcher"/>
<constant name="struts.patternMatcher" value="namedVariablePatternMatcher"/>

<constant name="struts.codebehind.defaultPackage" value="rest-h"/>
<constant name="struts.configuration.classpath.defaultParentPackage"
value="rest-h" />


<bean name="myXML"
type="org.apache.struts2.rest.handler.ContentTypeHandler"
class="net.somecompany.domain.struts.StrutsXMLHandler" />


<bean name="myImg"
type="org.apache.struts2.rest.handler.ContentTypeHandler"
class="net.somecompany.domain.struts.ImgHandler" />

<package name="rest-h" extends="rest-default" namespace="/">

</package>

<package name="imagePackage" extends="rest-h">
<action name="image" class="net.somecompany.rest.action.ImageController">
<result name="image" type="stream">
<param name="contentType">${contentType}</param>
<param name="inputName">image</param>
<param name="bufferSize">${bufferSize}</param>
</result>
</action>
</package>

</struts>

Cheers Mike

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From forum: Struts - User

Re: What is the best way to handle cancel, Update, Back Buttons in Struts2

2008-07-23T19:04:22Z

The defaultStack interceptor stack provides you with convenient method
name defaults which will not run validations. When you call an action
executing any of these method names: "input", "back", "cancel" or
"browse", the validations will not execute.

2008/7/23 hisameer <cool_sameer_for_u@...>:

>
> Hello Everyone
>
> I know this might be very easy for you guys but it is being difficult for
> me.:working:
>
> I am developing an updateUser.jsp page and it has three buttons those are:
> Update, Cancel, Back
> Now if I press update it should invoke the updateUser action mapping also I
> need to do the validation first before I do something else. If Cancel is
> pressed the previous values which was already there in the field should be
> displayed and when I press Back button it should not do anything just go to
> my userList page.
>
> So I am not able to understand how should I handle the struts.xml and the
> jsp code. I know I can use built in validator framework and by defining the
> validation.xml file for those fields but whenever I cancel or go Back the
> error message appears in the page so I don't know how should I handle this
> thing.
>
> Please tell me the best way from your experience how should I handle this
> kind of situation.
>
> Thanks for the help in advance!
> --
> View this message in context: http://www.nabble.com/What-is-the-best-way-to-handle-cancel%2C-Update%2C-Back-Buttons-in-Struts2-tp18621308p18621308.html
> Sent from the Struts - User mailing list archive at Nabble.com.
>
>
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>
>

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From forum: Struts - User

Re: Adding " tag in web.xml results in Resource not found error on browser

2008-07-23T18:14:33Z

anaeem wrote:
> Can any one who has used ServletContextListener class, share their build.xml.
>
> Thanks much
>

It's not a build.xml issue.

The Resource Not Found error implies your Container failed to start.

The log for the Container will contain an error message. In Tomcat this
may look like:
SEVERE: filterStart
or
SEVERE: listenerStart

The former means it failed to start a filter, the latter that it failed
to start a listener.

There's many things that can go wrong. You can find more information by
increasing the logging by your container.
I think it's reasonable to assume it's a classpath error (you're missing
libraries) or a configuration error (you haven't setup your datasource,
you haven an error in a configuration file).

*If your listener is throwing an exception you'll see this error too.

Whatever the case, you need to learn how to isolate the problem
further. If it's struts 2 related you'll be able to receive more help
here, but I don't think it is.

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From forum: Struts - User

What is the best way to handle cancel, Update, Back Buttons in Struts2

2008-07-23T15:24:18Z

Hello Everyone

I know this might be very easy for you guys but it is being difficult for me.

I am developing an updateUser.jsp page and it has three buttons those are: Update, Cancel, Back
Now if I press update it should invoke the updateUser action mapping also I need to do the validation first before I do something else. If Cancel is pressed the previous values which was already there in the field should be displayed and when I press Back button it should not do anything just go to my userList page.

So I am not able to understand how should I handle the struts.xml and the jsp code. I know I can use built in validator framework and by defining the validation.xml file for those fields but whenever I cancel or go Back the error message appears in the page so I don't know how should I handle this thing.

Please tell me the best way from your experience how should I handle this kind of situation.

Thanks for the help in advance!

From forum: Struts - User

Re: [S2] i18n messages, Tiles2 l10n, "default" locale, and browser preferences.

2008-07-23T14:16:24Z

I don't know why that's happening, but I've seen it as well. Have you
tried using an essentially empty tiles_en.xml? It might have the same
effect as the ApplicationResources_en.properties. I would assume it
would need to be a well formed, but empty xml document.
(*Chris*)

On Wed, Jul 23, 2008 at 1:07 PM, Pierre Thibaudeau
<pierre.thibaudeau@...> wrote:

> Using Struts 2.1.2
> My browser (Firefox 3) has a prefered locale (and only one): fr_CA
> Struts2 constant: struts.locale=en_US
>
> I use i18n throughout the software.
> There is a "default" resource (whose content happens to be in
> English): ApplicationResource.properties.
> There are also resource bundles in 4 languages:
> ApplicationResources_fr.properties,
> ApplicationResources_it.properties,
> ApplicationResources_de.properties,
> ApplicationResources_es.properties.
>
> Until last week, there was no English resource file (since the default
> one was taking care of it).
> That strategy worked perfectly in Struts1, but it seems that in
> Struts2, the system has a mind of its own:
> given my browser's preference, the default bundle (on my system) seems
> to be ApplicationResources_fr.properties insteand of
> ApplicationResources.properties...
>
> I solved that by creating an empty ApplicationResources_en.properties,
> and everything fell back into place: English pages display in
> English, while German pages display in German (when German is
> available) and in English (when not available). Great. (I don't
> understand why creating an empty ApplicationResources_en.properties
> would ensure missing German resources to be displayed in English
> rather than in French, but what matters is that it now works.)
>
> A new problem arises when I wish to localize an entire page using
> Tiles2. For the pages containing paragraphs and paragraphs of static
> text, it is easier to maintain localized tiles, than localized
> resource messages. Therefore:
> I have one general Tile definition file: tiles.xml
> and four localized ones: tiles_fr.xml, tiles_it.xml, tiles_de.xml, tiles_es.xml
>
> And this is where a new version of the earlier problem surfaces...
>
> Since I have not yet had time to translate every single static page in
> every single available language, I would like to revert to some
> default English when the localized version is unavailable. That's
> what tiles.xml is for, yet I presently get served the French version
> by default. I understand the logic: if my browser gives French as
> the preferred language, it's reasonable to assume that I would be
> happy to cope with that language. Indeed I would. But looking at the
> Italian version of my site may now give me a Neapolitan-combo with
> three languages:
> * Italian for the bits that have been translated,
> * English for the _messages_ that have not been translated in Italian,
> * and French for the _static tiles_ (according to tiles_fr.xml).
>
> That's a little Byzantine.
> A Russian salad, as we'd say in French.
> A smörgåsbord, if you will.
>
> Have I, as the developer, got control over what "default" version the
> user is going to see?
>
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From forum: Struts - User

[S2] i18n messages, Tiles2 l10n, "default" locale, and browser preferences.

2008-07-23T13:07:52Z

Using Struts 2.1.2
My browser (Firefox 3) has a prefered locale (and only one): fr_CA
Struts2 constant: struts.locale=en_US

I use i18n throughout the software.
There is a "default" resource (whose content happens to be in
English): ApplicationResource.properties.
There are also resource bundles in 4 languages:
ApplicationResources_fr.properties,
ApplicationResources_it.properties,
ApplicationResources_de.properties,
ApplicationResources_es.properties.

Until last week, there was no English resource file (since the default
one was taking care of it).
That strategy worked perfectly in Struts1, but it seems that in
Struts2, the system has a mind of its own:
given my browser's preference, the default bundle (on my system) seems
to be ApplicationResources_fr.properties insteand of
ApplicationResources.properties...

I solved that by creating an empty ApplicationResources_en.properties,
and everything fell back into place: English pages display in
English, while German pages display in German (when German is
available) and in English (when not available). Great. (I don't
understand why creating an empty ApplicationResources_en.properties
would ensure missing German resources to be displayed in English
rather than in French, but what matters is that it now works.)

A new problem arises when I wish to localize an entire page using
Tiles2. For the pages containing paragraphs and paragraphs of static
text, it is easier to maintain localized tiles, than localized
resource messages. Therefore:
I have one general Tile definition file: tiles.xml
and four localized ones: tiles_fr.xml, tiles_it.xml, tiles_de.xml, tiles_es.xml

And this is where a new version of the earlier problem surfaces...

Since I have not yet had time to translate every single static page in
every single available language, I would like to revert to some
default English when the localized version is unavailable. That's
what tiles.xml is for, yet I presently get served the French version
by default. I understand the logic: if my browser gives French as
the preferred language, it's reasonable to assume that I would be
happy to cope with that language. Indeed I would. But looking at the
Italian version of my site may now give me a Neapolitan-combo with
three languages:
* Italian for the bits that have been translated,
* English for the _messages_ that have not been translated in Italian,
* and French for the _static tiles_ (according to tiles_fr.xml).

That's a little Byzantine.
A Russian salad, as we'd say in French.
A smörgåsbord, if you will.

Have I, as the developer, got control over what "default" version the
user is going to see?

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From forum: Struts - User

Re: Firefox 3 and render issues

2008-07-23T10:48:33Z

I am not sure what the exact problem is, but it has to do with the way that browser_debug.js gets processed. One would think that this file would only get pulled in when the head tag attribute debug=true, but one would be wrong in that situation.

The "correct" way to fix this bug is to supply your own template for the head tag which will make the dojo attribute debugAtAllCosts respect the head debug flag.

To do this,

1. create a file named head.ftl in your simple templates directory. ( ie $classpath/template/simple/head.ftl)

2. Paste this text into it:

<script language="JavaScript" type="text/javascript">
// Dojo configuration
djConfig = {
baseRelativePath: "<@s.url includeParams='none' value='/struts/dojo' includeParams="none" encode='false'/>",
isDebug: ${parameters.debug?default(false)},
bindEncoding: "${parameters.encoding}",
debugAtAllCosts: ${parameters.debug?default(false)}, // not needed, but allows the Venkman debugger to work with the includes
};
</script>
<script language="JavaScript" type="text/javascript"
src="<@s.url includeParams='none' value='/struts/dojo/dojo.js' includeParams="none" encode='false'/>"></script>
<script language="JavaScript" type="text/javascript"
src="<@s.url includeParams='none' value='/struts/simple/dojoRequire.js' includeParams="none" encode='false'/>"></script>

3. Refresh your page, the bug should be gone as long as the struts head tag does not have debug set to true.

Of course, you will have to turn debugging on to get firebug happy, but I believe that that is an acceptable compromise.

From forum: Struts - User

Re: Adding " tag in web.xml results in Resource not found error on browser

2008-07-23T10:30:56Z

that could be a sign that your context listener is not initializing
correctly. Take a look at your server log.

2008/7/23 anaeem <anaeem@...>:

>
> Can any one who has used ServletContextListener class, share their build.xml.
>
> Thanks much
>
>
> newton.dave wrote:
>>
>> --- On Wed, 7/23/08, anaeem <anaeem@...> wrote:
>>> When I insert "<Listener>" tag to my web descriptor file,
>>> application gives 404 error "Resource not Found". When I
>>> remove listener tag it works fine. Please advice some solution.
>>
>> ...
>>
>> Leave the listener element out?
>>
>> But seriously--that's like saying "I put this tag in my JSP and now my JSP
>> won't render. Why not?"
>>
>> See the issue?
>>
>> Dave
>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: user-unsubscribe@...
>> For additional commands, e-mail: user-help@...
>>
>>
>>
>
> --
> View this message in context: http://www.nabble.com/Adding-%3CLinstener%3E%22-tag-in-web.xml-results-in-Resource-not-found-error-on-browser-tp18614799p18615682.html
> Sent from the Struts - User mailing list archive at Nabble.com.
>
>
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From forum: Struts - User

Build.xml

2008-07-23T10:05:11Z

Can any one who has used ServletContextListener class in a project, share their Build.xml file?

From forum: Struts - User

Re: Adding " tag in web.xml results in Resource not found error on browser

2008-07-23T10:02:35Z

Can any one who has used ServletContextListener class, share their build.xml.

Thanks much

newton.dave wrote:

--- On Wed, 7/23/08, anaeem <anaeem@novaresearch.com> wrote:
> When I insert "<Listener>" tag to my web descriptor file,
> application gives 404 error "Resource not Found". When I
> remove listener tag it works fine. Please advice some solution.

...

Leave the listener element out?

But seriously--that's like saying "I put this tag in my JSP and now my JSP won't render. Why not?"

See the issue?

Dave

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From forum: Struts - User

Re: Adding " tag in web.xml results in Resource not found error on browser

2008-07-23T09:40:46Z

--- On Wed, 7/23/08, anaeem <anaeem@...> wrote:
> When I insert "<Listener>" tag to my web descriptor file,
> application gives 404 error "Resource not Found". When I
> remove listener tag it works fine. Please advice some solution.

...

Leave the listener element out?

But seriously--that's like saying "I put this tag in my JSP and now my JSP won't render. Why not?"

See the issue?

Dave

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From forum: Struts - User

Re: Adding " tag in web.xml results in Resource not found error on browser

2008-07-23T09:37:45Z

Here are some more details: -

I like to use context listener class to save datasource information. I have implemented a ServletContextListener named AppListener.

Following is the code for Web.xml: -

<?xml version="1.0" encoding="ISO-8859-1"?>
<web-app xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
version="2.5">

<context-param>
<param-name>dataSourceJndiName</param-name>
<param-value>java:/comp/env/jdbc/myDataSource</param-value>
</context-param>
<context-param>
<param-name>dbType</param-name>
<param-value>mysql</param-value>
</context-param>

<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>

<listener>
<listener-class>
QDSweb.AppListener
</listener-class>
</listener>


<security-constraint>
<web-resource-collection>
<web-resource-name>JSPs</web-resource-name>
<url-pattern>/jsp/*</url-pattern>
</web-resource-collection>
<auth-constraint/>
</security-constraint>

<login-config>
<auth-method>BASIC</auth-method>
</login-config>
</web-app>

Application compiles successfully, but gives runtime error that "Resource not found". When I remove <listener> tag from my web.xml, it runs smootly. But I would like to use ServletContextListener Class.
I have seen same problem reported in some other forums but didn't find the solution. In one forum I found out that this problem has to do with some mapping files and fix it with build.xml.
Any help would be appreciated.

anaeem wrote:

When I insert "<Listener>" tag to my web descriptor file, application gives 404 error
"Resource not Found". When I remove listener tag it works fine. Please
advice some solution.

From forum: Struts - User

Re: [S2] , resource key and OgnlValueStack

2008-07-23T09:30:57Z

2008/7/23 Jeromy Evans <jeromy.evans@...>:
> Can you please raise this in JIRA?

Here ya go, Jeromy:
https://issues.apache.org/struts/browse/WW-2732

(I hesitated on the "Type" to give to this issue...)

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From forum: Struts - User

Re: Adding " tag in web.xml results in Resource not found error on browser

2008-07-23T09:27:14Z

Hi,

Maybe some more details?

Regards
--
Lukasz
http://www.lenart.org.pl/

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From forum: Struts - User

Adding " tag in web.xml results in Resource not found error on browser

2008-07-23T09:23:24Z

When I insert "<Listener>" tag to my web descriptor file, application gives 404 error
"Resource not Found". When I remove listener tag it works fine. Please
advice some solution.

From forum: Struts - User

Re: Problem accessing iterated object (
2008-07-23T09:20:05Z
> I don't think the var will work always, ie I am using struts 2.0.6
> The webworl.tld does not contain the var.

var was introduced with Struts 2.1 and id was depreacted

Regards
--
Lukasz
http://www.lenart.org.pl/

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From forum: Struts - User

Adding in web.xml results in Resource not found error on browser

2008-07-23T09:19:06Z

Hi, When I insert "" tag to my web descriptor file, application gives 404 error "Resource not Found". When I remove listener tag it works fine. Please advice some solution.

From forum: Struts - User

RE: Problem accessing iterated object (
2008-07-23T09:12:52Z
I don't think the var will work always, ie I am using struts 2.0.6
The webworl.tld does not contain the var.

I expect lawDraft.docs contains a title then
<s:iterator value=" lawDraft.docs">
<s:property value="title"/>
</s:iterator>

Regards,

Jishnu Viswanath

Software Engineer

(+9180)41190300 - 222(Ext) ll ( + 91 ) 9731209330ll

Tavant Technologies Inc.,

www.tavant.com

PEOPLE :: PASSION :: EXCELLENCE

-----Original Message-----
From: Jim Kiley [mailto:jhkiley@...]
Sent: Wednesday, July 23, 2008 9:26 PM
To: Struts Users Mailing List
Subject: Re: Problem accessing iterated object (<s:iterator)

The 'status' variable does not hold the individual instance. It holds
an
IteratorStatus object, which does things like tell you whether this row
is
odd or even. You want to do var="document" instead.

On Wed, Jul 23, 2008 at 11:53 AM, holod <serega.sheypak@...>
wrote:

>
> Plsease, see my code:
> <table>
> <s:iterator value="%{lawDraft.docs}" status="document">
> <tr>
> <td>
> <s:url id="downloadLink"
> value="downloadLawDraftDocument.action"
> namespace="/admin" >
> <s:param name="lawDraftId"
value="#

> document.lawDraft.id" />
> <s:param name="documentTitle"
> value="#document.title" />
> </s:url>
> <a_ href="#downloadLink" ><s:property
> value="#document.title"/>
> </td>
> <td>
> delete document <img_ align="left" src="<s:url
> value="/images/admin/delete.gif"/>" onclick=""/>
> </td>
> </tr>
> </s:iterator>
> </table>
>
> previous action has method getLawdraft();
> LawDraft has method getDocs();
> getDocs() returns a List
> List consists of Document objects, the have methods
getLawDraft().getId()
> and others.
> Iterator repeat 5 times (correct), but output doesn't have values
(they

> are!
> previous action prints them using logger)
>
> Please, see the output:
>
> <tr>
> <td>
> <a_ href="#downloadLink" >
> </td>
> <td>
> delete document <img_ align="left"
> src="/CLIAccess/images/admin/delete.gif" onclick=""/>
> </td>
> </tr>
>
> *Sorry for <a_ and <img_, Nabble doesn't escape html (
> --
> View this message in context:
>
http://www.nabble.com/Problem-accessing-iterated-object-%28%3Cs%3Aiterat
or%29-tp18614028p18614028.html
> Sent from the Struts - User mailing list archive at Nabble.com.
>
>
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--
Jim Kiley
Technical Consultant | Summa
[p] 412.258.3346 [m] 412.445.1729
http://www.summa-tech.com
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From forum: Struts - User

[jira] Created: (WW-2732) OGNL-evaluates "key" when it is not found in resource bundle

2008-07-23T09:08:06Z

<s:text name="key"/> OGNL-evaluates "key" when it is not found in resource bundle
---------------------------------------------------------------------------------

Key: WW-2732
URL: https://issues.apache.org/struts/browse/WW-2732
Project: Struts 2
Issue Type: Bug
Components: Plugin - Tags, Value Stack
Affects Versions: 2.1.2
Environment: Tested with 2.1.2, but the issue could have existed earlier.
Reporter: Pierre Thibaudeau
Priority: Minor

<s:text name="key"/> outputs the resource message designated by "key".

If no such message exists (and the body of the tag is empty), it reverts to outputting the name of the key itself, as an unevaluated string. At least, that's the behaviour of the tag, as described in the documentation.

In fact, however, the name of the key is now being evaluated as an OGNL expression, and if that turns out to be valid, that is what's printed.

This, in my view, is counter-intuitive and probably counter-productive. Consider the case of a ModelDriven<Book> action exposing a Book-object to the View.
Normally,

<s:text name="title"/>: ${title}

would have yielded:

title: The Great Gatsby

if the resource message "title" was missing from the resource bundle. That's not too bad an outcome. However, with the key being OGNL-evaluated, we would get the following output:

The Great Gatsby: The Great Gatsby

which I find a little puzzling...

--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.

From forum: Struts - Dev

[jira] Commented: (WW-2731) 运行s:if抛出异常，不支持EL表达式

2008-07-23T08:58:05Z

[ https://issues.apache.org/struts/browse/WW-2731?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=44469#action_44469 ]

Dave Newton commented on WW-2731:
---------------------------------

> so i think this is a bug in the version 2.1.2.
to
> I am not sure wether a bug or not.

It's not; your edit is closer to the truth.

> 运行s:if抛出异常，不支持EL表达式
> -------------------
>
> Key: WW-2731
> URL: https://issues.apache.org/struts/browse/WW-2731
> Project: Struts 2
> Issue Type: Bug
> Components: Plugin - Tags
> Affects Versions: 2.1.2
> Environment: windowxp sp2 tomcat-6.0.16 struts2.1.2
> Reporter: liqi
>
> jsp页面内容如下：
> <s:set name="age" value="29"/>
> <s:if test="${age > 60}">
> 老年人
> </s:if>
> <s:elseif test="${age > 35}">
> 中年人
> </s:elseif>
> <s:elseif test="${age > 15}" id="wawa">
> 青年人
> </s:elseif>
> <s:else>
> 少年
> </s:else>
> 抛出异常信息如下：
> org.apache.jasper.JasperException: /s-if.jsp(18,0) According to TLD or attribute directive in tag file, attribute test does not accept any expressions
> org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:40)
> org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:407)
> org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:148)
> org.apache.jasper.compiler.Validator$ValidateVisitor.checkXmlAttributes(Validator.java:1172)
> org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:819)
> org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1512)
> org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2343)
> org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2393)
> org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2399)
> org.apache.jasper.compiler.Node$Root.accept(Node.java:489)
> org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2343)
> org.apache.jasper.compiler.Validator.validate(Validator.java:1737)
> org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:165)
> org.apache.jasper.compiler.Compiler.compile(Compiler.java:314)
> org.apache.jasper.compiler.Compiler.compile(Compiler.java:294)
> org.apache.jasper.compiler.Compiler.compile(Compiler.java:281)
> org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:566)
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317)
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:337)
> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
> org.apache.struts2.dispatcher.ServletDispatcherResult.doExecute(ServletDispatcherResult.java:140)
> org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsResultSupport.java:186)
> com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:355)
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:259)
> com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:141)
> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:230)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:229)
> com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:456)
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:227)
> com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:248)
> org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:49)
> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:230)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:229)
> com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:456)
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:227)
> com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:124)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:230)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:229)
> com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:456)
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:227)
> com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:170)
> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:230)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:229)
> com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:456)
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:227)
> com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:170)
> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:230)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:229)
> com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:456)
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:227)
> com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:104)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:230)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:229)
> com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:456)
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:227)
> org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:84)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:230)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:229)
> com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:456)
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:227)
> org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:208)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:230)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:229)
> com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:456)
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:227)
> com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:88)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:230)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:229)
> com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:456)
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:227)
> com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:127)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:230)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:229)
> com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:456)
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:227)
> org.apache.struts2.interceptor.ProfilingActivationInterceptor.intercept(ProfilingActivationInterceptor.java:104)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:230)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:229)
> com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:456)
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:227)
> org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:267)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:230)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:229)
> com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:456)
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:227)
> com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:130)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:230)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:229)
> com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:456)
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:227)
> com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:143)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:230)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:229)
> com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:456)
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:227)
> com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:137)
> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:230)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:229)
> com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:456)
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:227)
> org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:230)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:229)
> com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:456)
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:227)
> com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:130)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:230)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:229)
> com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:456)
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:227)
> com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:176)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:230)
> com.opensymphony.xwork2.DefaultActionInvocation$1.doProfiling(DefaultActionInvocation.java:229)
> com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:456)
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:227)
> org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:52)
> org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:477)
> org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:467)
> 分析原因：
> struts2-core-2.1.2.jar中的struts-tags.tld中内容，
> <tag>
> <name>if</name>
> <tag-class>org.apache.struts2.views.jsp.IfTag</tag-class>
> <body-content>JSP</body-content>
> <description><![CDATA[If tag]]></description>
> <attribute>
> <name>test</name>
> <required>true</required>
> <rtexprvalue>false</rtexprvalue>
> <description><![CDATA[Expression to determine if body of tag is to be displayed]]></description>
> </attribute>
> <dynamic-attributes>false</dynamic-attributes>
> </tag>
> 其中属性test的rtextpvalue为false，应当改为true支持EL表达式。

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From forum: Struts - Dev

Re: Problem accessing iterated object (
2008-07-23T08:56:15Z
The 'status' variable does not hold the individual instance. It holds an
IteratorStatus object, which does things like tell you whether this row is
odd or even. You want to do var="document" instead.

On Wed, Jul 23, 2008 at 11:53 AM, holod <serega.sheypak@...> wrote:

>
> Plsease, see my code:
> <table>
> <s:iterator value="%{lawDraft.docs}" status="document">
> <tr>
> <td>
> <s:url id="downloadLink"
> value="downloadLawDraftDocument.action"
> namespace="/admin" >
> <s:param name="lawDraftId" value="#
> document.lawDraft.id" />
> <s:param name="documentTitle"
> value="#document.title" />
> </s:url>
> <a_ href="#downloadLink" ><s:property
> value="#document.title"/>
> </td>
> <td>
> delete document <img_ align="left" src="<s:url
> value="/images/admin/delete.gif"/>" onclick=""/>
> </td>
> </tr>
> </s:iterator>
> </table>
>
> previous action has method getLawdraft();
> LawDraft has method getDocs();
> getDocs() returns a List
> List consists of Document objects, the have methods getLawDraft().getId()
> and others.
> Iterator repeat 5 times (correct), but output doesn't have values (they
> are!
> previous action prints them using logger)
>
> Please, see the output:
>
> <tr>
> <td>
> <a_ href="#downloadLink" >
> </td>
> <td>
> delete document <img_ align="left"
> src="/CLIAccess/images/admin/delete.gif" onclick=""/>
> </td>
> </tr>
>
> *Sorry for <a_ and <img_, Nabble doesn't escape html (
> --
> View this message in context:
> http://www.nabble.com/Problem-accessing-iterated-object-%28%3Cs%3Aiterator%29-tp18614028p18614028.html
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--
Jim Kiley
Technical Consultant | Summa
[p] 412.258.3346 [m] 412.445.1729
http://www.summa-tech.com
From forum: Struts - User

Problem accessing iterated object (
2008-07-23T08:53:30Z
Plsease, see my code:
<table>
<s:iterator value="%{lawDraft.docs}" status="document">
<tr>
<td>
<s:url id="downloadLink" value="downloadLawDraftDocument.action" namespace="/admin" >
<s:param name="lawDraftId" value="#document.lawDraft.id" />
<s:param name="documentTitle" value="#document.title" />
</s:url>
<a_ href="#downloadLink" ><s:property value="#document.title"/>
</td>
<td>
delete document <img_ align="left" src="<s:url value="/images/admin/delete.gif"/>" onclick=""/>
</td>
</tr>
</s:iterator>
</table>

previous action has method getLawdraft();
LawDraft has method getDocs();
getDocs() returns a List
List consists of Document objects, the have methods getLawDraft().getId() and others.
Iterator repeat 5 times (correct), but output doesn't have values (they are! previous action prints them using logger)

Please, see the output:

<tr>
<td>
<a_ href="#downloadLink" >
</td>
<td>
delete document <img_ align="left" src="/CLIAccess/images/admin/delete.gif" onclick=""/>
</td>
</tr>

*Sorry for <a_ and <img_, Nabble doesn't escape html (
From forum: Struts - User