topic JCR Concurrency in Alfresco Archive https://connect.hyland.com/t5/alfresco-archive/jcr-concurrency/m-p/59153#M36306 <HTML><HEAD></HEAD><BODY><SPAN>I'm currently experiencing a few issues with concurrency when accessing alfresco via RMI.&nbsp; Basically i've set up a simple test to throw 10 threads at alfresco and execute some queries.&nbsp; The result i've been getting however is this:</SPAN><BR /><BR /><PRE class="language-none line-numbers"><CODE><BR /><BR /> [java.lang.RuntimeException: UserTransaction may not be accessed by multiple threads]&lt;/br&gt;<BR />java.lang.RuntimeException: UserTransaction may not be accessed by multiple threads<BR />&nbsp;&nbsp;&nbsp;at org.alfresco.util.transaction.SpringAwareUserTransaction.getTransactionInfo(SpringAwareUserTransaction.java:234)<BR />&nbsp;&nbsp;&nbsp;at org.alfresco.util.transaction.SpringAwareUserTransaction.rollback(SpringAwareUserTransaction.java:436)<BR />&nbsp;&nbsp;&nbsp;at org.alfresco.jcr.session.SessionImpl$InnerTransaction.rollback(SessionImpl.java:974)<BR />&nbsp;&nbsp;&nbsp;at org.alfresco.jcr.session.SessionImpl.logout(SessionImpl.java:654)<BR />&nbsp;&nbsp;&nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<BR />&nbsp;&nbsp;&nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) <BR /><BR />&nbsp;&nbsp;&nbsp;at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)<BR />&nbsp;&nbsp;&nbsp;at java.lang.reflect.Method.invoke(Method.java:585)<BR />&nbsp;&nbsp;&nbsp;at org.alfresco.jcr.util.JCRProxyFactory$SessionContextInvocationHandler.invoke(JCRProxyFactory.java:130)<BR />&nbsp;&nbsp;&nbsp;at $Proxy116.logout(Unknown Source)<BR />&nbsp;&nbsp;&nbsp;at org.apache.jackrabbit.rmi.server.ServerSession.logout(ServerSession.java:229)<BR />&nbsp;&nbsp;&nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<BR />&nbsp;&nbsp;&nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)<BR />&nbsp;&nbsp;&nbsp;at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)<BR />&nbsp;&nbsp;&nbsp;at java.lang.reflect.Method.invoke(Method.java:585)<BR />&nbsp;&nbsp;&nbsp;at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:294)<BR />&nbsp;&nbsp;&nbsp;at sun.rmi.transport.Transport$1.run(Transport.java:153)<BR />&nbsp;&nbsp;&nbsp;at java.security.AccessController.doPrivileged(Native Method)<BR />&nbsp;&nbsp;&nbsp;at sun.rmi.transport.Transport.serviceCall(Transport.java:149)<BR />– snip –<BR /><BR /><SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN></CODE></PRE><BR /><SPAN>Has anyone encountered anything else like this?&nbsp; Admittedly the test is very simple and is running off the same user name…</SPAN><BR /><BR /><SPAN>Cheers</SPAN><BR /><BR /><SPAN>Daniel</SPAN></BODY></HTML> Fri, 01 Sep 2006 08:16:34 GMT danul 2006-09-01T08:16:34Z JCR Concurrency https://connect.hyland.com/t5/alfresco-archive/jcr-concurrency/m-p/59153#M36306 I'm currently experiencing a few issues with concurrency when accessing alfresco via RMI.&nbsp; Basically i've set up a simple test to throw 10 threads at alfresco and execute some queries.&nbsp; The result i've been getting however is this: [java.lang.RuntimeException: UserTransaction may not be accessed by Fri, 01 Sep 2006 08:16:34 GMT https://connect.hyland.com/t5/alfresco-archive/jcr-concurrency/m-p/59153#M36306 danul 2006-09-01T08:16:34Z Re: JCR Concurrency https://connect.hyland.com/t5/alfresco-archive/jcr-concurrency/m-p/59154#M36307 <HTML><HEAD></HEAD><BODY><SPAN>Hi</SPAN><BR /><BR /><SPAN>Do the threads all have different sessions?</SPAN><BR /><BR /><SPAN>Regards</SPAN><BR /><BR /><SPAN>Andy</SPAN></BODY></HTML> Tue, 05 Sep 2006 09:12:58 GMT https://connect.hyland.com/t5/alfresco-archive/jcr-concurrency/m-p/59154#M36307 andy 2006-09-05T09:12:58Z