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https://issues.apache.org/jira/browse/ZOOKEEPER-2278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14852768#comment-14852768
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neha commented on ZOOKEEPER-2278:
---------------------------------
The issue happens when using NettyServer. Attaching the stacktrace.
{code}
2015-09-18 18:29:19,390 [myid:1] - ERROR [New I/O worker
#2:NettyServerCnxnFactory$CnxnChannelHandler@168] - Unexpected exception in
receive
java.lang.NullPointerException
at
org.apache.zookeeper.server.NettyServerCnxn.checkFourLetterWord(NettyServerCnxn.java:285)
at
org.apache.zookeeper.server.NettyServerCnxn.receiveMessage(NettyServerCnxn.java:388)
at
org.apache.zookeeper.server.NettyServerCnxnFactory$CnxnChannelHandler.processMessage(NettyServerCnxnFactory.java:243)
at
org.apache.zookeeper.server.NettyServerCnxnFactory$CnxnChannelHandler.messageReceived(NettyServerCnxnFactory.java:165)
at
org.jboss.netty.channel.SimpleChannelHandler.handleUpstream(SimpleChannelHandler.java:88)
{code}
> 4lw command stmk throws NullPointerException
> --------------------------------------------
>
> Key: ZOOKEEPER-2278
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2278
> Project: ZooKeeper
> Issue Type: Bug
> Reporter: neha
>
> run echo stmk 123 | netcat <hostname> <port> fails with NullPointerException
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