Return-Path: Delivered-To: apmail-hadoop-hbase-dev-archive@minotaur.apache.org Received: (qmail 3221 invoked from network); 8 Jun 2009 02:10:20 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 8 Jun 2009 02:10:20 -0000 Received: (qmail 53545 invoked by uid 500); 8 Jun 2009 02:10:32 -0000 Delivered-To: apmail-hadoop-hbase-dev-archive@hadoop.apache.org Received: (qmail 53494 invoked by uid 500); 8 Jun 2009 02:10:32 -0000 Mailing-List: contact hbase-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hbase-dev@hadoop.apache.org Delivered-To: mailing list hbase-dev@hadoop.apache.org Received: (qmail 53484 invoked by uid 99); 8 Jun 2009 02:10:32 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 08 Jun 2009 02:10:32 +0000 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.140] (HELO brutus.apache.org) (140.211.11.140) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 08 Jun 2009 02:10:28 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id 78D5B29A0011 for ; Sun, 7 Jun 2009 19:10:07 -0700 (PDT) Message-ID: <1972073728.1244427007494.JavaMail.jira@brutus> Date: Sun, 7 Jun 2009 19:10:07 -0700 (PDT) From: "stack (JIRA)" To: hbase-dev@hadoop.apache.org Subject: [jira] Commented: (HBASE-1491) ZooKeeper errors: "Client has seen zxid 0xe our last zxid is 0xd" In-Reply-To: <1244623136.1244246647328.JavaMail.jira@brutus> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 X-Virus-Checked: Checked by ClamAV on apache.org [ 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.