[jboss-jira] [JBoss JIRA] (JGRP-2085) IndexOutOfBoundsException when trace logging

[Radim Vansa (JIRA)]

Radim Vansa created JGRP-2085:
---------------------------------

             Summary: IndexOutOfBoundsException when trace logging
                 Key: JGRP-2085
                 URL: https://issues.jboss.org/browse/JGRP-2085
             Project: JGroups
          Issue Type: Bug
    Affects Versions: 3.6.9
            Reporter: Radim Vansa
            Assignee: Bela Ban
            Priority: Minor


When running with trace logging, I got couple of these STs:

{code}
Exception in thread "OOB-1,test-NodeE-13479" java.lang.IndexOutOfBoundsException: Index: 4, Size: 2
	at java.util.ArrayList.rangeCheck(ArrayList.java:653)
	at java.util.ArrayList.get(ArrayList.java:429)
	at org.jgroups.protocols.pbcast.NAKACK2.handleMessages(NAKACK2.java:868)
	at org.jgroups.protocols.pbcast.NAKACK2.up(NAKACK2.java:705)
	at org.jgroups.stack.Protocol.up(Protocol.java:425)
	at org.jgroups.protocols.TP.passBatchUp(TP.java:1600)
	at org.jgroups.protocols.TP$BatchHandler.run(TP.java:1820)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
{code}

Seems that part of the list of received messages is removed in handleMessages:864 in

{code}
boolean added=loopback || buf.add(msgs, oob, oob? DUMMY_OOB_MSG : null);
{code}

But the {{size}} is not recomputed afterwards.



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