Hi,
I was using the atom protocol to upload an image.
I made a mistake once and put a space between curl -d @ /tmp/...
The upload hung so I did a Ctrl C
I then did an upload without the space ie @/tmp/...
Then when I used the exist webstart administration client the client locked up
ie the user inteface froze (is SwingWorker being used to do the
connections in a separate thread?)
and the sever log showed
ReentrantReadWriteLock - Possible lock problem (see below)
Also the jpeg files stored in the server dont seem to be in the jpeg
format, I assume I got the wrong curl parameters when I uploaded the
files. Can anyone help me out there?
Can I upload the <?xml ..?><entry ..> as well as the binary image in a
multipart post?
Is the reentrant lock problem a bug?
Sorry to ask so many questions :)
Thanks
Andy Bailey
Details of what I was doing at the time:
$ curl -v -i --data @/tmp/n830125570_3288798_9905.jpg -H
"Content-Type:image/jpeg" -H "Slug:CNC Machine"
http://localhost:9080/orbeon/exist/atom/edit/resources/photos* About to connect() to localhost port 9080
* Trying 127.0.0.1... connected
* Connected to localhost (127.0.0.1) port 9080
> POST /orbeon/exist/atom/edit/resources/photos HTTP/1.1
> User-Agent: curl/7.15.5 (i686-redhat-linux-gnu) libcurl/7.15.5 OpenSSL/0.9.8b zlib/1.2.1 libidn/0.6.5
> Host: localhost:9080
> Accept: */*
> Content-Type:image/jpeg
> Slug:CNC Machine
> Content-Length: 22714
> Expect: 100-continue
>
HTTP/1.1 100 Continue
HTTP/1.1 100 Continue
< HTTP/1.1 201 Created
HTTP/1.1 201 Created
< Server: Apache-Coyote/1.1
Server: Apache-Coyote/1.1
< Location: /edit/resources/photos?id=urn:uuid:6acf3dce-1b97-4451-8171-c4caad4edf81
Location: /edit/resources/photos?id=urn:uuid:6acf3dce-1b97-4451-8171-c4caad4edf81
< Content-Type: application/atom+xml;charset=UTF-8
Content-Type: application/atom+xml;charset=UTF-8
< Transfer-Encoding: chunked
Transfer-Encoding: chunked
< Date: Thu, 10 Jul 2008 14:49:18 GMT
Date: Thu, 10 Jul 2008 14:49:18 GMT
* Connection #0 to host localhost left intact
* Closing connection #0
<?xml version="1.0"
encoding="utf-8"?><entry><id>urn:uuid:6acf3dce-1b97-4451-8171-c4caad4edf81</id><published>2008-07-10T09:49:15-05:00</published><updated>2008-07-10T09:49:15-05:00</updated><title>CNC
Machine</title><link
href="?id=urn:uuid:6acf3dce-1b97-4451-8171-c4caad4edf81" rel="edit"
type="application/atom+xml"/><link href="CNC Machine" rel="edit-media"
type="image/jpeg"/><content src="CNC Machine"
type="image/jpeg"/></entry>[andy@mail atom]$
[andy@mail atom]$ curl -v
http://localhost:9080/orbeon/exist/atom/content/resources/photos* About to connect() to localhost port 9080
* Trying 127.0.0.1... connected
* Connected to localhost (127.0.0.1) port 9080
> GET /orbeon/exist/atom/content/resources/photos HTTP/1.1
> User-Agent: curl/7.15.5 (i686-redhat-linux-gnu) libcurl/7.15.5 OpenSSL/0.9.8b zlib/1.2.1 libidn/0.6.5
> Host: localhost:9080
> Accept: */*
>
< HTTP/1.1 200 OK
< Server: Apache-Coyote/1.1
< Content-Type: application/atom+xml;charset=UTF-8
< Transfer-Encoding: chunked
< Date: Thu, 10 Jul 2008 14:52:22 GMT
<feed xmlns="
http://www.w3.org/2005/Atom">
<id><![CDATA[urn:uuid:1b9be65b-6239-4d88-afeb-760f3b6c2e9a]]></id>
<updated>2008-07-10T09:49:15-05:00</updated>
<link href="#" rel="edit" type="application/atom+xml"/>
<title>MFG Open Source Photos</title>
<subtitle>Photographs asociated with the site</subtitle>
<accept>image/*</accept>
<entry>
<id>urn:uuid:6acf3dce-1b97-4451-8171-c4caad4edf81</id>
<published>2008-07-10T09:49:15-05:00</published>
<updated>2008-07-10T09:49:15-05:00</updated>
<title>CNC Machine</title>
<link href="?id=urn:uuid:6acf3dce-1b97-4451-8171-c4caad4edf81"
rel="edit" type="application/atom+xml"/>
<link href="CNC Machine" rel="edit-media" type="image/jpeg"/>
<content src="CNC Machine" type="image/jpeg"/>
</entry>
* Connection #0 to host localhost left intact
* Closing connection #0
Server log
2008-07-10 09:53:43,205 WARN DBBroker - Failed to acquire lock on
collection '/db/newfeed'
2008-07-10 09:57:43,632 WARN Collection - time out while acquiring a lock
org.exist.util.LockException: time out while acquiring a lock
at org.exist.storage.lock.ReentrantReadWriteLock.acquire(ReentrantReadWriteLock.java:94)
at org.exist.collections.Collection.getPermissions(Collection.java:561)
at org.exist.xmlrpc.RpcConnection.getPermissions(RpcConnection.java:979)
at org.exist.xmlrpc.RpcConnection.getPermissions(RpcConnection.java:962)
at org.exist.xmlrpc.RpcServer.getPermissions(RpcServer.java:474)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.exist.xmlrpc.AuthenticatedHandler.execute(AuthenticatedHandler.java:120)
at org.exist.xmlrpc.AuthenticatedHandler.execute(AuthenticatedHandler.java:67)
at org.apache.xmlrpc.XmlRpcWorker.invokeHandler(XmlRpcWorker.java:128)
at org.apache.xmlrpc.XmlRpcWorker.execute(XmlRpcWorker.java:185)
at org.apache.xmlrpc.XmlRpcServer.execute(XmlRpcServer.java:151)
at org.apache.xmlrpc.XmlRpcServer.execute(XmlRpcServer.java:139)
at org.exist.xmlrpc.RpcServlet.doPost(RpcServlet.java:65)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:263)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:584)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Thread.java:619)
2008-07-10 09:57:46,025 WARN ReentrantReadWriteLock - Possible lock
problem: thread Thread[http-9080-3,5,main] released a lock it didn't
hold. Either the thread was interrupted or it never acquired the lock.
The lock was owned by: Thread[http-9080-1,5,main]
2008-07-10 09:57:46,025 WARN ReentrantReadWriteLock - Possible lock
problem: thread Thread[http-9080-3,5,main] released a lock it didn't
hold. Either the thread was interrupted or it never acquired the lock.
The lock was owned by: Thread[http-9080-1,5,main]
I shutdown the instance of tomcat and restarted it
Everything works fine now.
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