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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-1645) HBase could be a little more dainty when zk is pulled out from under it
Date Fri, 10 Jul 2009 23:06:14 GMT
HBase could be a little more dainty when zk is pulled out from under it
-----------------------------------------------------------------------

                 Key: HBASE-1645
                 URL: https://issues.apache.org/jira/browse/HBASE-1645
             Project: Hadoop HBase
          Issue Type: Bug
            Reporter: stack
            Priority: Minor


Currently does this over and over:

{code}
#
2009-07-10 22:43:44,553 [main-SendThread] INFO org.apache.zookeeper.ClientCnxn: Server connection
successful
#
2009-07-10 22:43:44,596 [main-SendThread] WARN org.apache.zookeeper.ClientCnxn: Exception
closing session 0x12266d1f85e0000 to sun.nio.ch.SelectionKeyImpl@54a9387
#
java.io.IOException: Read error rc = -1 java.nio.DirectByteBuffer[pos=0 lim=4 cap=4]
#
        at org.apache.zookeeper.ClientCnxn$SendThread.doIO(ClientCnxn.java:653)
#
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:897)
#
2009-07-10 22:43:44,596 [main-SendThread] WARN org.apache.zookeeper.ClientCnxn: Ignoring exception
during shutdown input
#
java.net.SocketException: Transport endpoint is not connected
#
        at sun.nio.ch.SocketChannelImpl.shutdown(Native Method)
#
        at sun.nio.ch.SocketChannelImpl.shutdownInput(Unknown Source)
#
        at sun.nio.ch.SocketAdaptor.shutdownInput(Unknown Source)
#
        at org.apache.zookeeper.ClientCnxn$SendThread.cleanup(ClientCnxn.java:951)
#
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:922)
#
2009-07-10 22:43:44,596 [main-SendThread] WARN org.apache.zookeeper.ClientCnxn: Ignoring exception
during shutdown output
#
java.net.SocketException: Transport endpoint is not connected
#
        at sun.nio.ch.SocketChannelImpl.shutdown(Native Method)
#
        at sun.nio.ch.SocketChannelImpl.shutdownOutput(Unknown Source)
#
        at sun.nio.ch.SocketAdaptor.shutdownOutput(Unknown Source)
#
        at org.apache.zookeeper.ClientCnxn$SendThread.cleanup(ClientCnxn.java:956)
#
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:922)
#
2009-07-10 22:43:44,803 [main-SendThread] INFO org.apache.zookeeper.ClientCnxn: Attempting
connection to server aa0-000-12.u.powerset.com/fdfb:c1e8:7640:2:2e0:81ff:fe40:8826:2181
#
2009-07-10 22:43:44,803 [main-SendThread] INFO org.apache.zookeeper.ClientCnxn: Priming connection
to java.nio.channels.SocketChannel[connected local=/fdfb:c1e8:7640:2:2e0:81ff:fe41:b98a:47170
remote=aa0-000-12.u.powerset.com/fdfb:c1e8:7640:2:2e0:81ff:fe40:8826:2181]
#
2009-07-10 22:43:44,803 [main-SendThread] INFO org.apache.zookeeper.ClientCnxn: Server connection
successful
#
2009-07-10 22:43:44,806 [main-SendThread] WARN org.apache.zookeeper.ClientCnxn: Exception
closing session 0x12266d1f85e0000 to sun.nio.ch.SelectionKeyImpl@631b86c7
#
java.io.IOException: Read error rc = -1 java.nio.DirectByteBuffer[pos=0 lim=4 cap=4]
#
        at org.apache.zookeeper.ClientCnxn$SendThread.doIO(ClientCnxn.java:653)
#
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:897)
#
2009-07-10 22:43:44,806 [main-SendThread] WARN org.apache.zookeeper.ClientCnxn: Ignoring exception
during shutdown input
...
{code}

You then have to do killjava -9 to get it to go down.

Here is related mail: http://mail-archives.apache.org/mod_mbox/hadoop-zookeeper-user/200906.mbox/%3C31a243e70906231232h51c6abfdr2e3265f8e81f6f41@mail.gmail.com%3E

This is not a biggy.  Just noting it.  No ZK, no HB.

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