From hdfs-issues-return-278271-archive-asf-public=cust-asf.ponee.io@hadoop.apache.org Mon Aug 19 05:15:02 2019 Return-Path: X-Original-To: archive-asf-public@cust-asf.ponee.io Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [207.244.88.153]) by mx-eu-01.ponee.io (Postfix) with SMTP id D94A5180608 for ; Mon, 19 Aug 2019 07:15:01 +0200 (CEST) Received: (qmail 37718 invoked by uid 500); 19 Aug 2019 05:15:01 -0000 Mailing-List: contact hdfs-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list hdfs-issues@hadoop.apache.org Received: (qmail 37707 invoked by uid 99); 19 Aug 2019 05:15:01 -0000 Received: from mailrelay1-us-west.apache.org (HELO mailrelay1-us-west.apache.org) (209.188.14.139) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 19 Aug 2019 05:15:01 +0000 Received: from jira-lw-us.apache.org (unknown [207.244.88.139]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id 63AABE2F3C for ; Mon, 19 Aug 2019 05:15:00 +0000 (UTC) Received: from jira-lw-us.apache.org (localhost [127.0.0.1]) by jira-lw-us.apache.org (ASF Mail Server at jira-lw-us.apache.org) with ESMTP id 24CE9277A5 for ; Mon, 19 Aug 2019 05:15:00 +0000 (UTC) Date: Mon, 19 Aug 2019 05:15:00 +0000 (UTC) From: "Akira Ajisaka (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HDFS-14396) Failed to load image from FSImageFile when downgrade from 3.x to 2.x MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/HDFS-14396?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16910174#comment-16910174 ] Akira Ajisaka commented on HDFS-14396: -------------------------------------- LGTM, +1 > Failed to load image from FSImageFile when downgrade from 3.x to 2.x > -------------------------------------------------------------------- > > Key: HDFS-14396 > URL: https://issues.apache.org/jira/browse/HDFS-14396 > Project: Hadoop HDFS > Issue Type: Bug > Reporter: Fei Hui > Assignee: Fei Hui > Priority: Major > Attachments: HDFS-14396.001.patch, HDFS-14396.002.patch > > > After fixing HDFS-13596, try to downgrade from 3.x to 2.x. But namenode can't start because exception occurs. The message follows > {code:java} > 2019-01-23 17:22:18,730 ERROR org.apache.hadoop.hdfs.server.namenode.FSImage: Failed to load image from FSImageFile(file=/data1/hadoopdata/hadoop-namenode/current/fsimage_0000000000000025310, cpktTxId=0000000000 > 000025310) > java.lang.NullPointerException > at org.apache.hadoop.hdfs.server.namenode.FSImageFormatProtobuf$Loader.loadInternal(FSImageFormatProtobuf.java:243) > at org.apache.hadoop.hdfs.server.namenode.FSImageFormatProtobuf$Loader.load(FSImageFormatProtobuf.java:179) > at org.apache.hadoop.hdfs.server.namenode.FSImageFormat$LoaderDelegator.load(FSImageFormat.java:226) > at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:885) > at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:869) > at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImageFile(FSImage.java:742) > at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:673) > at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:290) > at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNamesystem.java:998) > at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNamesystem.java:700) > at org.apache.hadoop.hdfs.server.namenode.NameNode.loadNamesystem(NameNode.java:612) > at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:672) > at org.apache.hadoop.hdfs.server.namenode.NameNode.(NameNode.java:839) > at org.apache.hadoop.hdfs.server.namenode.NameNode.(NameNode.java:823) > at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1517) > at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1583) > 2019-01-23 17:22:19,023 WARN org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Encountered exception loading fsimage > java.io.IOException: Failed to load FSImage file, see error(s) above for more info. > at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:688) > at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:290) > at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNamesystem.java:998) > at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNamesystem.java:700) > at org.apache.hadoop.hdfs.server.namenode.NameNode.loadNamesystem(NameNode.java:612) > {code} > This issue occurs because 3.x namenode saves image with EC fields during upgrade > Try to fix it -- This message was sent by Atlassian JIRA (v7.6.14#76016) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscribe@hadoop.apache.org For additional commands, e-mail: hdfs-issues-help@hadoop.apache.org