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https://issues.apache.org/jira/browse/DIRMINA-567?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Trustin Lee resolved DIRMINA-567.
---------------------------------
Resolution: Fixed
Fix Version/s: 2.0.0-M2
Assignee: Trustin Lee
Thanks for the patch! I've just checked in the fix slightly modified from
yours.
> NPE in AbstractIoSession after getWaitingReadFutures
> ----------------------------------------------------
>
> Key: DIRMINA-567
> URL: https://issues.apache.org/jira/browse/DIRMINA-567
> Project: MINA
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.0.0-M1
> Reporter: Dennis Sieben
> Assignee: Trustin Lee
> Fix For: 2.0.0-M2
>
> Attachments: patch.diff
>
>
> There seems to be a race condition in AbstractIoSession. The following NPE
> appears sometimes:
> java.lang.NullPointerException
> at
> org.apache.mina.common.AbstractIoSession.newReadFuture(AbstractIoSession.java:227)
> at
> org.apache.mina.common.AbstractIoSession.offerFailedReadFuture(AbstractIoSession.java:212)
> at
> org.apache.mina.common.DefaultIoFilterChain$TailFilter.exceptionCaught(DefaultIoFilterChain.java:727)
> at
> org.apache.mina.common.DefaultIoFilterChain.callNextExceptionCaught(DefaultIoFilterChain.java:446)
> at
> org.apache.mina.common.DefaultIoFilterChain.access$1100(DefaultIoFilterChain.java:40)
> at
> org.apache.mina.common.DefaultIoFilterChain$EntryImpl$1.exceptionCaught(DefaultIoFilterChain.java:818)
> at
> org.apache.mina.common.DefaultIoFilterChain$HeadFilter.exceptionCaught(DefaultIoFilterChain.java:601)
> at
> org.apache.mina.common.DefaultIoFilterChain.callNextExceptionCaught(DefaultIoFilterChain.java:446)
> at
> org.apache.mina.common.DefaultIoFilterChain.fireExceptionCaught(DefaultIoFilterChain.java:437)
> at
> org.apache.mina.common.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:408)
> at
> org.apache.mina.common.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:40)
> at
> org.apache.mina.common.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:823)
> at
> org.apache.mina.common.DefaultIoFilterChain$HeadFilter.messageReceived(DefaultIoFilterChain.java:607)
> at
> org.apache.mina.common.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:405)
> at
> org.apache.mina.common.DefaultIoFilterChain.fireMessageReceived(DefaultIoFilterChain.java:399)
> at
> org.apache.mina.common.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:425)
> at
> org.apache.mina.common.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:387)
> at
> org.apache.mina.common.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:379)
> at
> org.apache.mina.common.AbstractPollingIoProcessor.access$400(AbstractPollingIoProcessor.java:43)
> at
> org.apache.mina.common.AbstractPollingIoProcessor$Worker.run(AbstractPollingIoProcessor.java:678)
> at
> org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:51)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
> at java.lang.Thread.run(Thread.java:595)
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