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https://issues.apache.org/jira/browse/ZOOKEEPER-547?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12773634#action_12773634
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Flavio Paiva Junqueira commented on ZOOKEEPER-547:
--------------------------------------------------
The log also says this:
{code}
Exception in thread "WorkerSender Thread"
java.nio.channels.UnresolvedAddressException
at sun.nio.ch.Net.checkAddress(Net.java:30)
at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:487)
at java.nio.channels.SocketChannel.open(SocketChannel.java:146)
at
org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:323)
at
org.apache.zookeeper.server.quorum.QuorumCnxManager.toSend(QuorumCnxManager.java:302)
at
org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.process(FastLeaderElection.java:323)
at
org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.run(FastLeaderElection.java:296)
at java.lang.Thread.run(Thread.java:619)
{code}
> Sanity check in QuorumCnxn Manager and quorum communication port.
> -----------------------------------------------------------------
>
> Key: ZOOKEEPER-547
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-547
> Project: Zookeeper
> Issue Type: Bug
> Components: leaderElection, server
> Affects Versions: 3.2.0, 3.2.1
> Reporter: Mahadev konar
> Assignee: Mahadev konar
> Fix For: 3.2.2, 3.3.0
>
> Attachments: ZOOKEEPER-547.patch, ZOOKEEPER-547.patch,
> ZOOKEEPER-547.patch
>
>
> We need to put some sanity checks in QuorumCnxnManager and the other quorum
> port for rogue clients. Sometimes a clients might get misconfigured and they
> might send random characters on such ports. We need to make sure that such
> rogue clients do not bring down the clients and need to put in some sanity
> checks with respect to packet lengths and deserialization.
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