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https://issues.apache.org/jira/browse/CASSANDRA-12103?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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peng xiao updated CASSANDRA-12103:
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Component/s: Core
> Cassandra is hang and cqlsh was not able to login with OperationTimeout error
> -----------------------------------------------------------------------------
>
> Key: CASSANDRA-12103
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12103
> Project: Cassandra
> Issue Type: Bug
> Components: Core, Local Write-Read Paths
> Environment: centos 6.5 cassandra 2.1.9
> Reporter: peng xiao
> Priority: Critical
> Attachments: system.log.2016-06-28_1257.gz
>
>
> Hi,
> We have two DCs(DC1 and DC2) with DC1 3 nodes and DC2 9 nodes.
> And we experienced a Timeout error today,all applications connected to DC1
> were hang and no response,even cqlsh was not able to log into any node in DC1.
> I restarted the 3 nodes in DC1,the problem was not resolved.
> Then we switched to DC2,then applications back to normal.
> Could you please help to take a look?
> Thanks
> many errors like below:
> ERROR [SharedPool-Worker-43] 2016-06-28 11:58:49,705 Message.java:538 -
> Unexpected exception during request; channel = [id: 0x87e315d6,
> /172.16.10.198:13604 => /172.16.11.13:9042]
> java.lang.RuntimeException:
> org.apache.cassandra.exceptions.ReadTimeoutException: Operation timed out -
> received only 0 responses.
> at org.apache.cassandra.auth.Auth.selectUser(Auth.java:276)
> ~[apache-cassandra-2.1.9.jar:2.1.9]
> at org.apache.cassandra.auth.Auth.isExistingUser(Auth.java:86)
> ~[apache-cassandra-2.1.9.jar:2.1.9]
> at
> org.apache.cassandra.service.ClientState.login(ClientState.java:206)
> ~[apache-cassandra-2.1.9.jar:2.1.9]
> at
> org.apache.cassandra.transport.messages.AuthResponse.execute(AuthResponse.java:82)
> ~[apache-cassandra-2.1.9.jar:2.1.9]
> at
> org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:439)
> [apache-cassandra-2.1.9.jar:2.1.9]
> at
> org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:335)
> [apache-cassandra-2.1.9.jar:2.1.9]
> at
> io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105)
> [netty-all-4.0.23.Final.jar:4.0.23.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
> [netty-all-4.0.23.Final.jar:4.0.23.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.access$700(AbstractChannelHandlerContext.java:32)
> [netty-all-4.0.23.Final.jar:4.0.23.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext$8.run(AbstractChannelHandlerContext.java:324)
> [netty-all-4.0.23.Final.jar:4.0.23.Final]
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> [na:1.8.0]
> at
> org.apache.cassandra.concurrent.AbstractTracingAwareExecutorService$FutureTask.run(AbstractTracingAwareExecutorService.java:164)
> [apache-cassandra-2.1.9.jar:2.1.9]
> at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:105)
> [apache-cassandra-2.1.9.jar:2.1.9]
> at java.lang.Thread.run(Thread.java:744) [na:1.8.0]
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