JBoss EAP 6 leaks memory in org.jboss.remoting3.remote.RemoteConnectionProviders

Environment

• Red Hat JBoss Enterprise Application Platform (EAP) 6.1.1 and earlier
• Red Hat JBoss Enterprise Portal Platform (EPP) 6.0.0

Issue

• JBoss hit an OutOfMemoryError with much of the heap consumed by org.jboss.remoting3.remote.RemoteConnectionProviders and their org.jboss.remoting3.EndpointImpls, which trace back to the mbean server.

Resolution

• Upgrade to EAP 6.2.0 onwards
• Apply this This content is not included.EAP 6.1.1 one-off
• Apply this This content is not included.EAP 6.1.0 one-off
• Apply this This content is not included.EAP 6.0.1 one-off (provides a fixed jboss client jar and remoting jar)

Root Cause

• Content from issues.jboss.org is not included.REM3-171
• This content is not included.BZ#1002263
• The RemoteConnectionProviders are registered with the MBean server on their construction but never unregistered.

Diagnostic Steps

• Troubleshoot with a heap dump as described in Java application "java.lang.OutOfMemoryError: Java heap space" to confirm the source of retention.

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