[jboss-jira] [JBoss JIRA] (JGRP-1892) Possible NullPointerException in RouterStubManager

[Bela Ban (JIRA)]

     [ https://issues.jboss.org/browse/JGRP-1892?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bela Ban resolved JGRP-1892.
----------------------------
    Resolution: Done


> Possible NullPointerException in RouterStubManager
> --------------------------------------------------
>
>                 Key: JGRP-1892
>                 URL: https://issues.jboss.org/browse/JGRP-1892
>             Project: JGroups
>          Issue Type: Bug
>    Affects Versions: 3.5.1
>            Reporter: Thomas Santosa
>            Assignee: Bela Ban
>             Fix For: 3.5.2, 3.6
>
>
> Stack trace:
> {noformat}
> Okt 14, 2014 11:41:21 AM org.jgroups.stack.RouterStub
> SEVERE: failed notifying ConnectionListener org.jgroups.protocols.TUNNEL$b at 104a305
> java.lang.NullPointerException
> 	at java.util.concurrent.ConcurrentHashMap.putIfAbsent(Unknown Source)
> 	at org.jgroups.stack.RouterStubManager.startReconnecting(Katalis.java:131)
> 	at org.jgroups.stack.RouterStubManager.connectionStatusChange(Katalis.java:166)
> 	at org.jgroups.protocols.TUNNEL$b.connectionStatusChange(Katalis.java:168)
> 	at org.jgroups.stack.RouterStub.connectionStateChanged(Katalis.java:360)
> 	at org.jgroups.stack.RouterStub.checkConnection(Katalis.java:235)
> 	at org.jgroups.stack.RouterStubManager$2.run(Katalis.java:145)
> 	at org.jgroups.util.TimeScheduler3$Task.run(Katalis.java:283)
> 	at org.jgroups.util.TimeScheduler3$RecurringTask.run(Katalis.java:314)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
> 	at java.lang.Thread.run(Unknown Source)
> {noformat}
> RouterStubManager line 130-131:
> {code}
>         f = timer.scheduleWithFixedDelay(reconnector, 0, interval, TimeUnit.MILLISECONDS);
>         futures.putIfAbsent(stub, f);
> {code}



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