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https://issues.apache.org/jira/browse/DIRMINA-1118?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16998415#comment-16998415
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Emmanuel Lécharny commented on DIRMINA-1118:
--------------------------------------------
Great !
I think we could go for a release for xmas ;)
> NPE in SslHandler.checkStatus
> -----------------------------
>
> Key: DIRMINA-1118
> URL: https://issues.apache.org/jira/browse/DIRMINA-1118
> Project: MINA
> Issue Type: Bug
> Affects Versions: 2.1.3
> Reporter: Christoph John
> Priority: Major
>
> Since some days we receive this NPE on our build server when running tests.
> Interestingly this occurs since OpenJDK has been switched from 8.192 to
> 8.222. However, it is probably just coincidence.
> {code}
> <20190810-14:45:11, FIX.4.4:ALFA0->ZULU0, error>
> (java.lang.NullPointerException
> java.lang.NullPointerException
> at
> org.apache.mina.filter.ssl.SslHandler.checkStatus(SslHandler.java:539)
> at
> org.apache.mina.filter.ssl.SslHandler.messageReceived(SslHandler.java:374)
> at
> org.apache.mina.filter.ssl.SslFilter.messageReceived(SslFilter.java:517)
> at
> org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:650)
> at
> org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1300(DefaultIoFilterChain.java:49)
> at
> org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:1128)
> at
> org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFilterAdapter.java:122)
> at
> org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:650)
> at
> org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1300(DefaultIoFilterChain.java:49)
> at
> org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:1128)
> at
> org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFilterAdapter.java:122)
> at
> org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:650)
> at
> org.apache.mina.core.filterchain.DefaultIoFilterChain.fireMessageReceived(DefaultIoFilterChain.java:643)
> at
> org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:539)
> at
> org.apache.mina.core.polling.AbstractPollingIoProcessor.access$1200(AbstractPollingIoProcessor.java:68)
> at
> org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.process(AbstractPollingIoProcessor.java:1222)
> at
> org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.process(AbstractPollingIoProcessor.java:1211)
> at
> org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:683)
> at
> org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> {code}
> https://github.com/apache/mina/blame/2.1.X/mina-core/src/main/java/org/apache/mina/filter/ssl/SslHandler.java#L539
> IMHO when polling a queue then NULL can also be returned.
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