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Help for a confused Object Error
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Help for a confused Object Error
by Alex Chew
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Hi,all
I got a strange 'Object Error' problem in my application.
There is a method named getGrantServices in my Java class and I made it explosed to javascript with dwr.
DWR.xml file was checked again and again but found no errors, all items needed were there.
I saw the method with http://localhost/dwr/index.html, and I tested the method there.All went right.
But there is an [Object error] when I try to make it refered in my JSP file!
I was totally confused,please help me for such a question.
Thanks in advance.
Yours
Alex
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Re: Help for a confused Object Error
by David Marginian-2
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Alex,
We can help but we can't help unless you give us the code! So send us your html/javascript file please. Alex Chew wrote: > Hi,all > > I got a strange 'Object Error' problem in my application. > > There is a method named getGrantServices in my Java class and I made > it explosed to javascript with dwr. > DWR.xml file was checked again and again but found no errors, all > items needed were there. > I saw the method with http://localhost/dwr/index.html, and I tested > the method there.All went right. > > But there is an [Object error] when I try to make it refered in my JSP > file! > I was totally confused,please help me for such a question. > > Thanks in advance. > Yours > Alex --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscribe@... For additional commands, e-mail: users-help@... |
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Re: Help for a confused Object Error
by Alex Chew
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Thanks for your rapid response.
I checked once more time,but still failed to find out where the error stay.
Following pieces is all that I used in my application:
Java service signature:
package com.ucenter.kradar.service;
public String getGrantServices(String username,String password,HttpServletRequest request){....}
public String search(String username,String password,String serviceId,String keywords,int pageNo,int numberPerPage,HttpServletRequest request){...}
DWR config fragments:
<!DOCTYPE dwr PUBLIC
"-//GetAhead Limited//DTD Direct Web Remoting 1.0//EN" "http://www.getahead.ltd.uk/dwr/dwr10.dtd"> <dwr> <create creator="new" javascript="KradarAjax"> <param name="class" value="com.ucenter.kradar.service.KradarAjax"/> <include method="getGrantServices"/> <include method="search"/> </create> </allow> <signatures> <![CDATA[ import java.util.Map; import java.util.List; import javax.servlet.http.HttpServletRequest; import com.ucenter.kradar.service.KradarAjax; KradarAjax.getGrantServices(String username,String password,HttpServletRequest request); KradarAjax.search(String username,String password,String serviceId,String keywords,int pageNo,int numberPerPage,HttpServletRequest request); ]]> </signatures> </dwr> HTML with javascript:
<html>
<head> <link type="text/css" rel="stylesheet" href="http://222.211.209.170/style/client.css" /> <script type="text/javascript" src="http://222.211.209.170/script/KradarClient.js"></script> <script type="text/javascript" src="http://222.211.209.170/dwr/interface/KradarAjax.js"></script> <script type="text/javascript" src="http://222.211.209.170/dwr/engine.js"></script> <script type="text/javascript" src="http://222.211.209.170/dwr/util.js"></script> <script> function createKradarSearch(){ var username="Alex Chew"; var password="password"; var kradar = new KradarSearch(username,password); var queryDiv = "queryDiv"; var resultDiv = "resultDiv"; var numberPerPage = "20"; createQueryDiv(kradar,queryDiv,resultDiv,numberPerPage); } </script> </head> <body onload="createKradarSearch()"> <div style="border:1px solid #E3D686;width:100%;"> <div style="font-size:12px;color:#ff6600;width:100%;background-color:#F2EAB7;border-bottom:1px solid #E3D686;">AJAX Samples</div> <div id="queryDiv" style="width:100%;">Here is the location of query panel. The result from ajax will fill it.</div> <div id="resultDiv" style="width:100%;">Query result will appear here</div> </div> </body> </html> |
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RE: Help for a confused Object Error
by mikewse
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Just guessing here, but are you seeing the [object
Error] in IE? (this is how JavaScript exceptions are printed in IE)
Then you probably can get a better error message by
printing the exception's message property instead.
If you haven't got a reference to the exception then
you can have whoever printing it out include the interesting properties by
adding this in an early script block of your html file:
Error.prototype.toString =
function() { return this.name + ": " + this.message; }
Also, do check the DWR server side log for
errors.
And consider upgrading to DWR 2.x (your dwr.xml
mentions 1.0).
Best regards
Mike Wilson
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