Return-Path: X-Original-To: apmail-hadoop-hdfs-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-hdfs-issues-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 2134611C85 for ; Fri, 12 Sep 2014 06:44:35 +0000 (UTC) Received: (qmail 15624 invoked by uid 500); 12 Sep 2014 06:44:34 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 15479 invoked by uid 500); 12 Sep 2014 06:44:34 -0000 Mailing-List: contact hdfs-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hdfs-issues@hadoop.apache.org Delivered-To: mailing list hdfs-issues@hadoop.apache.org Received: (qmail 15342 invoked by uid 99); 12 Sep 2014 06:44:34 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 12 Sep 2014 06:44:34 +0000 Date: Fri, 12 Sep 2014 06:44:33 +0000 (UTC) From: "sam liu (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Created] (HDFS-7053) Failed to rollback hdfs version from 2.4.1 to 2.2.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 sam liu created HDFS-7053: ----------------------------- Summary: Failed to rollback hdfs version from 2.4.1 to 2.2.0 Key: HDFS-7053 URL: https://issues.apache.org/jira/browse/HDFS-7053 Project: Hadoop HDFS Issue Type: Bug Components: ha, namenode Affects Versions: 2.4.1 Reporter: sam liu Priority: Blocker I can successfully upgrade from 2.2.0 to 2.4.1 with QJM HA enabled and with downtime, but failed to rollback from 2.4.1 to 2.2.0. The error message: 2014-09-10 16:50:29,599 FATAL org.apache.hadoop.hdfs.server.namenode.NameNode: Exception in namenode join org.apache.hadoop.HadoopIllegalArgumentException: Invalid startup option. Cannot perform DFS upgrade with HA enabled. at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1207) at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1320) 2014-09-10 16:50:29,601 INFO org.apache.hadoop.util.ExitUtil: Exiting with status 1 -- This message was sent by Atlassian JIRA (v6.3.4#6332)