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 93740111B8 for ; Wed, 16 Jul 2014 21:57:09 +0000 (UTC) Received: (qmail 49824 invoked by uid 500); 16 Jul 2014 21:57:07 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 49745 invoked by uid 500); 16 Jul 2014 21:57:07 -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 49609 invoked by uid 99); 16 Jul 2014 21:57:06 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 16 Jul 2014 21:57:06 +0000 Date: Wed, 16 Jul 2014 21:57:06 +0000 (UTC) From: "Kihwal Lee (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HDFS-6696) Name node cannot start if the path of a file under construction contains ".snapshot" 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-6696?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14064180#comment-14064180 ] Kihwal Lee commented on HDFS-6696: ---------------------------------- {panel} java.io.FileNotFoundException: File does not exist: /xxx/yyy/.snapshot/zzz/aaa at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:65) at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:55) at org.apache.hadoop.hdfs.server.namenode.FSImageFormat$Loader.loadFilesUnderConstruction(FSImageFormat.java:937) at org.apache.hadoop.hdfs.server.namenode.FSImageFormat$Loader.load(FSImageFormat.java:424) at org.apache.hadoop.hdfs.server.namenode.FSImageFormat$LoaderDelegator.load(FSImageFormat.java:230) at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:902) at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:888) at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImageFile(FSImage.java:711) at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:649) at org.apache.hadoop.hdfs.server.namenode.FSImage.doUpgrade(FSImage.java:359) at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:259) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNamesystem.java:894) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNamesystem.java:641) at org.apache.hadoop.hdfs.server.namenode.NameNode.loadNamesystem(NameNode.java:526) at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:582) at org.apache.hadoop.hdfs.server.namenode.NameNode.(NameNode.java:747) at org.apache.hadoop.hdfs.server.namenode.NameNode.(NameNode.java:731) at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1381) at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1447) {panel} > Name node cannot start if the path of a file under construction contains ".snapshot" > ------------------------------------------------------------------------------------ > > Key: HDFS-6696 > URL: https://issues.apache.org/jira/browse/HDFS-6696 > Project: Hadoop HDFS > Issue Type: Bug > Reporter: Kihwal Lee > Assignee: Andrew Wang > Priority: Blocker > > Using {{-renameReserved}} to rename ".snapshot" in a pre-hdfs-snapshot feature fsimage during upgrade only works, if there is nothing under construction under the renamed directory. I am not sure whether it takes care of edits containing ".snapshot" properly. > The workaround is to identify these directories and rename, then do {{saveNamespace}} before performing upgrade. -- This message was sent by Atlassian JIRA (v6.2#6252)