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https://issues.apache.org/jira/browse/ARTEMIS-1804?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16449663#comment-16449663
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Lionel Cons commented on ARTEMIS-1804:
--------------------------------------
FWIW, I confirm that using 4.1.24.Final unfortunately does not fix this problem.
> NPE in recent snapshot
> ----------------------
>
> Key: ARTEMIS-1804
> URL: https://issues.apache.org/jira/browse/ARTEMIS-1804
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Reporter: Lionel Cons
> Priority: Major
>
> Running some tests against {{artemis-2.6.0-20180410.175207-36}}, I noticed
> the broker logged several NPEs looking like:
> {code:java}
> 2018-04-12 14:19:15,097 WARN [io.netty.handler.ssl.SslHandler] [id:
> 0xc8c4c74d, L:/xxx:yyy ! R:/2001:1458:202:227:0:0:100:6%0:32802] flush()
> raised a masked exception.: java.lang.NullPointerException
> at io.netty.handler.ssl.SslHandler.wrapAndFlush(SslHandler.java:742)
> [netty-all-4.1.22.Final.jar:4.1.22.Final]
> at io.netty.handler.ssl.SslHandler.flush(SslHandler.java:734)
> [netty-all-4.1.22.Final.jar:4.1.22.Final]
> at io.netty.handler.ssl.SslHandler.flush(SslHandler.java:1595)
> [netty-all-4.1.22.Final.jar:4.1.22.Final]
> at io.netty.handler.ssl.SslHandler.access$600(SslHandler.java:165)
> [netty-all-4.1.22.Final.jar:4.1.22.Final]
> at io.netty.handler.ssl.SslHandler$1.run(SslHandler.java:631)
> [netty-all-4.1.22.Final.jar:4.1.22.Final]
> at
> io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163)
> [netty-all-4.1.22.Final.jar:4.1.22.Final]
> at
> io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:404)
> [netty-all-4.1.22.Final.jar:4.1.22.Final]
> at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:309)
> [netty-all-4.1.22.Final.jar:4.1.22.Final]
> at
> io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:886)
> [netty-all-4.1.22.Final.jar:4.1.22.Final]
> at
> org.apache.activemq.artemis.utils.ActiveMQThreadFactory$1.run(ActiveMQThreadFactory.java:118)
> [artemis-commons-2.6.0-SNAPSHOT.jar:2.6.0-SNAPSHOT]
> {code}
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