Return-Path: X-Original-To: apmail-hadoop-user-archive@minotaur.apache.org Delivered-To: apmail-hadoop-user-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id F34F2D30B for ; Thu, 13 Dec 2012 06:33:41 +0000 (UTC) Received: (qmail 79928 invoked by uid 500); 13 Dec 2012 06:33:36 -0000 Delivered-To: apmail-hadoop-user-archive@hadoop.apache.org Received: (qmail 79675 invoked by uid 500); 13 Dec 2012 06:33:36 -0000 Mailing-List: contact user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@hadoop.apache.org Delivered-To: mailing list user@hadoop.apache.org Received: (qmail 79627 invoked by uid 99); 13 Dec 2012 06:33:34 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 13 Dec 2012 06:33:34 +0000 X-ASF-Spam-Status: No, hits=-0.7 required=5.0 tests=RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of grover.markgrover@gmail.com designates 209.85.212.48 as permitted sender) Received: from [209.85.212.48] (HELO mail-vb0-f48.google.com) (209.85.212.48) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 13 Dec 2012 06:33:28 +0000 Received: by mail-vb0-f48.google.com with SMTP id fc21so1780465vbb.35 for ; Wed, 12 Dec 2012 22:33:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=tfRYY0lsPDqWcGduqwSmC6AmY95u5gx0dcucC5JQn4A=; b=wrQW4J+tOYm7SZUdDlHAfQ2m2wRYaev2OTc7fiPzQ/rNhG9iEMIErExziwEypM/AoI rkUrmXnB88rN/LAX0RNWTbnFqOkS4omTPnqJnc/7g/ZGoMl3pVO2m/yWBepvkR0TYuW6 nkkvEDVxmKLn+p0UqaJehUroeBk73L/o5Ig8yJxcq4gR8K+z/5LoIGAO5T8VA1DIvZuj tARCefofc+mKu780NxIkXWvCjIotWLLB2tYToeLvdp04lFhTmk+xAyv7SesOEojS1IOZ JGSjDMVcR3kJ7ukCYGZCPgwO8HArKPhui1UzW5vZn65OVCjMcw+Tt4bFbDHpPS6hfMX/ FyjA== MIME-Version: 1.0 Received: by 10.52.176.6 with SMTP id ce6mr1163820vdc.57.1355380387182; Wed, 12 Dec 2012 22:33:07 -0800 (PST) Received: by 10.52.37.15 with HTTP; Wed, 12 Dec 2012 22:33:07 -0800 (PST) Date: Wed, 12 Dec 2012 22:33:07 -0800 Message-ID: Subject: Hadoop-1.1.1 namenode and datanode version mismatch From: Mark Grover To: user@hadoop.apache.org Content-Type: text/plain; charset=ISO-8859-1 X-Virus-Checked: Checked by ClamAV on apache.org Hi all, I downloaded Hadoop-1.1.1 tar ball from one of the mirrors and configured it in psuedo-distributed mode. Namenode starts fine but datanode fails to start because of version mismatch. The value of hadoop.relaxed.worker.version.check property (related to https://issues.apache.org/jira/browse/HADOOP-8209) doesn't help in this case since the major+minor versions don't match. Sounds like a bug to me, we seem to have missed changing the datanode version before the release. Can someone please confirm? Here is the error: 2012-12-12 22:17:42,251 ERROR org.apache.hadoop.hdfs.server.datanode.DataNode: java.io.IOException: Incompatible versions: namenode version 1.1.1 revision 1411108 datanode version 1.1.2-SNAPSHOT revision and hadoop.relaxed.worker.version.check is enabled at org.apache.hadoop.hdfs.server.datanode.DataNode.handshake(DataNode.java:632) at org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:376) at org.apache.hadoop.hdfs.server.datanode.DataNode.(DataNode.java:309) at org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:1651) at org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:1590) at org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:1608) at org.apache.hadoop.hdfs.server.datanode.DataNode.secureMain(DataNode.java:1734) at org.apache.hadoop.hdfs.server.datanode.DataNode.main(DataNode.java:1751) Thanks, Mark