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

[Clebert Suconic (JIRA)]

ConcurrentModificationException if MultipleThreads are creating Connections simultaneously
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                 Key: JBMESSAGING-1488
                 URL: https://jira.jboss.org/jira/browse/JBMESSAGING-1488
             Project: JBoss Messaging
          Issue Type: Bug
            Reporter: Clebert Suconic
             Fix For: 2.0.0 Beta


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


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