EAP 7 shutdown hangs on CLOSING org.jboss.remoting3.EndpointImpl

Environment

• JBoss Enterprise Application Platform (EAP) 7.x

Issue

• Our EAP 7 instance sometimes will not fully shutdown with unclosed remoting connections present

Resolution

• Upgrade to EAP 7.4.3+

Root Cause

• Prior management connections were not properly initiated and then left in an unclosed state
• This content is not included.XNIO-393
• This content is not included.XNIO-394
• This content is not included.XNIO-395
• This content is not included.JBEAP-22820

Diagnostic Steps

• Capture a heap dump and check for a stuck remoting endpoint in a REMOVE state with an OQL like below:

SELECT state.toString(), mode.toString(), service FROM org.jboss.msc.service.ServiceControllerImpl:
state.toString()|mode.toString()|service
---------------------------------------------------------------------------------------
STOPPING |REMOVE |org.jboss.as.remoting.EndpointService [id=0x73843bc30]
---------------------------------------------------------------------------------------

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