hbase-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "stack (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1491) ZooKeeper errors: "Client has seen zxid 0xe our last zxid is 0xd"
Date Mon, 08 Jun 2009 02:10:07 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12717119#action_12717119
] 

stack commented on HBASE-1491:
------------------------------

Talked w/ Nitay... and jgray is ok w/ committing.

Nitay, on commit, call resetZK at lines #53 if it makes sense. 

Good stuff.

> ZooKeeper errors: "Client has seen zxid 0xe our last zxid is 0xd"
> -----------------------------------------------------------------
>
>                 Key: HBASE-1491
>                 URL: https://issues.apache.org/jira/browse/HBASE-1491
>             Project: Hadoop HBase
>          Issue Type: Bug
>          Components: test
>            Reporter: Nitay Joffe
>            Assignee: Nitay Joffe
>             Fix For: 0.20.0
>
>         Attachments: hbase-1491.patch
>
>
> We have been seeing a lot of these messages in tests:
> [junit] 2009-06-02 11:57:23,658 ERROR [NIOServerCxn.Factory:21810] server.NIOServerCnxn(514):
Client has seen zxid 0xe our last zxid is 0xd
> They usually repeat in a seemingly endless loop, such as:
>     [junit] 2009-06-02 13:27:54,083 INFO  [main-SendThread] zookeeper.ClientCnxn$SendThread(737):
Priming connection to java.nio.channels.SocketChannel[connected local=/0:0:0:0:0:0:0:1%0:56511
remote=localhost/0:0:0:0:0:0:0:1:21810]
>     [junit] 2009-06-02 13:27:54,084 INFO  [main-SendThread] zookeeper.ClientCnxn$SendThread(889):
Server connection successful
>     [junit] 2009-06-02 13:27:54,093 INFO  [NIOServerCxn.Factory:21810] server.NIOServerCnxn(532):
Connected to /0:0:0:0:0:0:0:1%0:56511 lastZxid 16
>     [junit] 2009-06-02 13:27:54,094 ERROR [NIOServerCxn.Factory:21810] server.NIOServerCnxn(543):
Client has seen zxid 0x10 our last zxid is 0x4
>     [junit] 2009-06-02 13:27:54,094 WARN  [NIOServerCxn.Factory:21810] server.NIOServerCnxn(444):
Exception causing close of session 0x0 due to java.io.IOException: Client has seen zxid 0x10
our last zxid is 0x4
>     [junit] 2009-06-02 13:27:54,094 DEBUG [NIOServerCxn.Facto777ry:21810] server.NIOServerCnxn(447):
IOException stack trace
>     [junit] java.io.IOException: Client has seen zxid 0x10 our last zxid is 0x4
>     [junit]     at org.apache.zookeeper.server.NIOServerCnxn.readConnectRequest(NIOServerCnxn.java:544)
>     [junit]     at org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:331)
>     [junit]     at org.apache.zookeeper.server.NIOServerCnxn$Factory.run(NIOServerCnxn.java:176)
>     [junit] 2009-06-02 13:27:54,094 INFO  [NIOServerCxn.Factory:21810] server.NIOServerCnxn(777):
closing session:0x0 NIOServerCnxn: java.nio.channels.SocketChannel[connected local=/0:0:0:0:0:0:0:1%0:21810
remote=/0:0:0:0:0:0:0:1%0:56511]
>     [junit] 2009-06-02 13:27:54,097 WARN  [main-SendThread] zookeeper.ClientCnxn$SendThread(919):
Exception closing session 0x121a2a7c43a0002 to sun.nio.ch.SelectionKeyImpl@2c662b4e
>     [junit] java.io.IOException: Read error rc = -1 java.nio.DirectByteBuffer[pos=0 lim=4
cap=4]
>     [junit]     at org.apache.zookeeper.ClientCnxn$SendThread.doIO(ClientCnxn.java:653)
>     [junit]     at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:897)
>     [junit] 2009-06-02 13:27:54,097 WARN  [main-SendThread] zookeeper.ClientCnxn$SendThread(953):
Ignoring exception during shutdown input
>     [junit] java.net.SocketException: Socket is not connected
>     [junit]     at sun.nio.ch.SocketChannelImpl.shutdown(Native Method)
>     [junit]     at sun.nio.ch.SocketChannelImpl.shutdownInput(SocketChannelImpl.java:640)
>     [junit]     at sun.nio.ch.SocketAdaptor.shutdownInput(SocketAdaptor.java:360)
>     [junit]     at org.apache.zookeeper.ClientCnxn$SendThread.cleanup(ClientCnxn.java:951)
>     [junit]     at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:922)

-- 
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.


Mime
View raw message