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https://issues.apache.org/jira/browse/JAMES-3042?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17032080#comment-17032080
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Benoit Tellier commented on JAMES-3042:
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Fix proposal https://github.com/linagora/james-project/pull/3089
> NullPointerException: Error while processing imap request
> ---------------------------------------------------------
>
> Key: JAMES-3042
> URL: https://issues.apache.org/jira/browse/JAMES-3042
> Project: James Server
> Issue Type: Improvement
> Components: IMAPServer
> Affects Versions: 3.4.0
> Reporter: Benoit Tellier
> Priority: Major
>
> We encountered the following exception within one of our production
> environment:
> {code:java}
> java.lang.NullPointerException: null
> at
> org.apache.james.imapserver.netty.ImapRequestFrameDecoder.newCumulationBuffer(ImapRequestFrameDecoder.java:226)
> at
> org.jboss.netty.handler.codec.frame.FrameDecoder.updateCumulation(FrameDecoder.java:345)
> at
> org.jboss.netty.handler.codec.frame.FrameDecoder.messageReceived(FrameDecoder.java:312)
> at
> org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
> at
> org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
> at
> org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
> at
> org.jboss.netty.handler.execution.ChannelUpstreamEventRunnable.doRun(ChannelUpstreamEventRunnable.java:43)
> at
> org.jboss.netty.handler.execution.ChannelEventRunnable.run(ChannelEventRunnable.java:67)
> at
> org.jboss.netty.handler.execution.OrderedMemoryAwareThreadPoolExecutor$ChildExecutor.run(OrderedMemoryAwareThreadPoolExecutor.java:314)
> 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}
> Apparently the issue is caused by a "NEEDED_DATA netty channel attachment not
> having been well positioned.
> Super class method can be called in this case to be more resilient.
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