[jboss-jira] [JBoss JIRA] Created: (JGRP-821) Starting VERIFY_SUSPECT timer thread causes java.lang.IllegalThreadStateException

[Vladimir Blagojevic (JIRA)]

Starting VERIFY_SUSPECT timer thread causes java.lang.IllegalThreadStateException
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                 Key: JGRP-821
                 URL: https://jira.jboss.org/jira/browse/JGRP-821
             Project: JGroups
          Issue Type: Bug
    Affects Versions: 2.6.3, 2.7
            Reporter: Vladimir Blagojevic
            Assignee: Vladimir Blagojevic
             Fix For: 2.6.4, 2.7


I believe this is related to concurrent message processing of multiple suspect messages. Timer needs to be started while holding a lock - we properly publish thread references as well. 

java.lang.IllegalThreadStateException
    at java.lang.Thread.start(Unknown Source)
    at org.jgroups.protocols.VERIFY_SUSPECT.startTimer(VERIFY_SUSPECT.java:293)
    at org.jgroups.protocols.VERIFY_SUSPECT.verifySuspect(VERIFY_SUSPECT.java:240)
    at org.jgroups.protocols.VERIFY_SUSPECT.up(VERIFY_SUSPECT.java:122)
    at org.jgroups.protocols.FD.up(FD.java:269)
    at org.jgroups.protocols.FD_SOCK.up(FD_SOCK.java:309)
    at org.jgroups.protocols.MERGE2.up(MERGE2.java:144)
    at org.jgroups.protocols.Discovery.up(Discovery.java:244)
    at org.jgroups.protocols.TP.passMessageUp(TP.java:1266)
    at org.jgroups.protocols.TP.access$100(TP.java:49)
    at org.jgroups.protocols.TP$IncomingPacket.handleMyMessage(TP.java:1809)
    at org.jgroups.protocols.TP$IncomingPacket.run(TP.java:1788)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)

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