[jboss-jira] [JBoss JIRA] Updated: (JBMESSAGING-1488) ConcurrentModificationException if MultipleThreads are creating Connections simultaneously

[Clebert Suconic (JIRA)]

     [ https://jira.jboss.org/jira/browse/JBMESSAGING-1488?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Clebert Suconic updated JBMESSAGING-1488:
-----------------------------------------

    Description: 
When you have several threads doing this:

Thread
   run
        Session s = factory.createSession(....);
         s.start();


This following exception is thrown:


MessagingException[errorCode=0 message=Failed to create session]
	at org.jboss.messaging.core.client.impl.ConnectionManagerImpl.createSession(ConnectionManagerImpl.java:335)
	at org.jboss.messaging.core.client.impl.ClientSessionFactoryImpl.createSessionInternal(ClientSessionFactoryImpl.java:846)
	at org.jboss.messaging.core.client.impl.ClientSessionFactoryImpl.createSession(ClientSessionFactoryImpl.java:576)
	at org.jboss.messaging.tests.integration.cluster.failover.PagingFailoverTest$1Consumer.run(PagingFailoverTest.java:330)
Caused by: java.util.ConcurrentModificationException
	at java.util.LinkedHashMap$LinkedHashIterator.nextEntry(LinkedHashMap.java:373)
	at java.util.LinkedHashMap$ValueIterator.next(LinkedHashMap.java:388)
	at org.jboss.messaging.core.client.impl.ConnectionManagerImpl.getConnection(ConnectionManagerImpl.java:809)
	at org.jboss.messaging.core.client.impl.ConnectionManagerImpl.getConnectionForCreateSession(ConnectionManagerImpl.java:427)
	at org.jboss.messaging.core.client.impl.ConnectionManagerImpl.createSession(ConnectionManagerImpl.java:243)
	... 3 more


  was:
When you have several threads doing this:

Thread
   run
        Session s = factory.createSession(....);


This following exception is thrown:


MessagingException[errorCode=0 message=Failed to create session]
	at org.jboss.messaging.core.client.impl.ConnectionManagerImpl.createSession(ConnectionManagerImpl.java:335)
	at org.jboss.messaging.core.client.impl.ClientSessionFactoryImpl.createSessionInternal(ClientSessionFactoryImpl.java:846)
	at org.jboss.messaging.core.client.impl.ClientSessionFactoryImpl.createSession(ClientSessionFactoryImpl.java:576)
	at org.jboss.messaging.tests.integration.cluster.failover.PagingFailoverTest$1Consumer.run(PagingFailoverTest.java:330)
Caused by: java.util.ConcurrentModificationException
	at java.util.LinkedHashMap$LinkedHashIterator.nextEntry(LinkedHashMap.java:373)
	at java.util.LinkedHashMap$ValueIterator.next(LinkedHashMap.java:388)
	at org.jboss.messaging.core.client.impl.ConnectionManagerImpl.getConnection(ConnectionManagerImpl.java:809)
	at org.jboss.messaging.core.client.impl.ConnectionManagerImpl.getConnectionForCreateSession(ConnectionManagerImpl.java:427)
	at org.jboss.messaging.core.client.impl.ConnectionManagerImpl.createSession(ConnectionManagerImpl.java:243)
	... 3 more




> ConcurrentModificationException if MultipleThreads are creating Connections simultaneously
> ------------------------------------------------------------------------------------------
>
>                 Key: JBMESSAGING-1488
>                 URL: https://jira.jboss.org/jira/browse/JBMESSAGING-1488
>             Project: JBoss Messaging
>          Issue Type: Bug
>            Reporter: Clebert Suconic
>            Assignee: Clebert Suconic
>             Fix For: 2.0.0 Beta
>
>
> When you have several threads doing this:
> Thread
>    run
>         Session s = factory.createSession(....);
>          s.start();
> This following exception is thrown:
> MessagingException[errorCode=0 message=Failed to create session]
> 	at org.jboss.messaging.core.client.impl.ConnectionManagerImpl.createSession(ConnectionManagerImpl.java:335)
> 	at org.jboss.messaging.core.client.impl.ClientSessionFactoryImpl.createSessionInternal(ClientSessionFactoryImpl.java:846)
> 	at org.jboss.messaging.core.client.impl.ClientSessionFactoryImpl.createSession(ClientSessionFactoryImpl.java:576)
> 	at org.jboss.messaging.tests.integration.cluster.failover.PagingFailoverTest$1Consumer.run(PagingFailoverTest.java:330)
> Caused by: java.util.ConcurrentModificationException
> 	at java.util.LinkedHashMap$LinkedHashIterator.nextEntry(LinkedHashMap.java:373)
> 	at java.util.LinkedHashMap$ValueIterator.next(LinkedHashMap.java:388)
> 	at org.jboss.messaging.core.client.impl.ConnectionManagerImpl.getConnection(ConnectionManagerImpl.java:809)
> 	at org.jboss.messaging.core.client.impl.ConnectionManagerImpl.getConnectionForCreateSession(ConnectionManagerImpl.java:427)
> 	at org.jboss.messaging.core.client.impl.ConnectionManagerImpl.createSession(ConnectionManagerImpl.java:243)
> 	... 3 more

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