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https://issues.apache.org/jira/browse/HBASE-15805?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15290439#comment-15290439
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Vishal Khandelwal commented on HBASE-15805:
-------------------------------------------
Thanks [~andrew.purt...@gmail.com]
> Canary test timeout if there is failed or shutdown zookeeper node in a quorum
> -----------------------------------------------------------------------------
>
> Key: HBASE-15805
> URL: https://issues.apache.org/jira/browse/HBASE-15805
> Project: HBase
> Issue Type: Bug
> Components: canary
> Affects Versions: 0.98.20
> Reporter: Vishal Khandelwal
> Fix For: 0.98.20
>
> Attachments: HBASE-15805.0.98.00.patch, HBASE-15805.0.98.01.patch,
> HBASE-15805_0.98.patch
>
>
> Canary tools creates HBaseadmin object which which starts a thread to keep
> pinging zookeeper on a regular interval. This cause delay when one of the
> node in zookeeper is down and test timeouts.
> Canary tool is creating HBaseadmin whose isEnabled and tableExists calls
> starts a catalog tacker --> retries for zookeeper connection. This zookeeper
> (6s) retry happens for multiple times for scanning 390+ region it is causing
> lot of sleeps. By removing the failed zookeeper from the test it actually
> took not more than 9 sec where it was taking almost 8 mins. Since "sniff"
> calls each table one by one thus causes the delay in the test.
> {code}
> 2016-04-29 09:52:13 [Thread-6-SendThread()] DEBUG
> zookeeper.ClientCnxnSocketNIO(203): Ignoring exception during shutdown input
> java.net.SocketException: Socket is not connected
> at sun.nio.ch.Net.translateToSocketException(Net.java:123)
> at sun.nio.ch.Net.translateException(Net.java:157)
> at sun.nio.ch.Net.translateException(Net.java:163)
> at sun.nio.ch.SocketAdaptor.shutdownInput(SocketAdaptor.java:401)
> at
> org.apache.zookeeper.ClientCnxnSocketNIO.cleanup(ClientCnxnSocketNIO.java:200)
> at org.apache.zookeeper.ClientCnxn$SendThread.cleanup(ClientCnxn.java:1246)
> at
> org.apache.zookeeper.ClientCnxn$SendThread.cleanAndNotifyState(ClientCnxn.java:1236)
> at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1169)
> Caused by: java.nio.channels.NotYetConnectedException
> at sun.nio.ch.SocketChannelImpl.shutdownInput(SocketChannelImpl.java:782)
> at sun.nio.ch.SocketAdaptor.shutdownInput(SocketAdaptor.java:399)
> ... 4 more
> 2016-04-29 09:52:13 [Thread-6-SendThread()] DEBUG
> zookeeper.ClientCnxnSocketNIO(210): Ignoring exception during shutdown output
> java.net.SocketException: Socket is not connected
> at sun.nio.ch.Net.translateToSocketException(Net.java:123)
> at sun.nio.ch.Net.translateException(Net.java:157)
> at sun.nio.ch.Net.translateException(Net.java:163)
> at sun.nio.ch.SocketAdaptor.shutdownOutput(SocketAdaptor.java:409)
> at
> org.apache.zookeeper.ClientCnxnSocketNIO.cleanup(ClientCnxnSocketNIO.java:207)
> at org.apache.zookeeper.ClientCnxn$SendThread.cleanup(ClientCnxn.java:1246)
> at
> org.apache.zookeeper.ClientCnxn$SendThread.cleanAndNotifyState(ClientCnxn.java:1236)
> at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1169)
> Caused by: java.nio.channels.NotYetConnectedException
> at sun.nio.ch.SocketChannelImpl.shutdownOutput(SocketChannelImpl.java:799)
> at sun.nio.ch.SocketAdaptor.shutdownOutput(SocketAdaptor.java:407)
> {code}
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