Return-Path: X-Original-To: apmail-hbase-issues-archive@www.apache.org Delivered-To: apmail-hbase-issues-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 08A9110E70 for ; Tue, 12 Nov 2013 00:07:20 +0000 (UTC) Received: (qmail 3775 invoked by uid 500); 12 Nov 2013 00:07:19 -0000 Delivered-To: apmail-hbase-issues-archive@hbase.apache.org Received: (qmail 3736 invoked by uid 500); 12 Nov 2013 00:07:19 -0000 Mailing-List: contact issues-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list issues@hbase.apache.org Received: (qmail 3702 invoked by uid 99); 12 Nov 2013 00:07:19 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 12 Nov 2013 00:07:19 +0000 Date: Tue, 12 Nov 2013 00:07:19 +0000 (UTC) From: "Enis Soztutar (JIRA)" To: issues@hbase.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HBASE-9952) Snapshot restore may fail due to NullPointerException 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/HBASE-9952?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Enis Soztutar updated HBASE-9952: --------------------------------- Attachment: hbase-9952_v1.patch Simple patch. > Snapshot restore may fail due to NullPointerException > ----------------------------------------------------- > > Key: HBASE-9952 > URL: https://issues.apache.org/jira/browse/HBASE-9952 > Project: HBase > Issue Type: Bug > Affects Versions: 0.96.0 > Reporter: Ted Yu > Assignee: Enis Soztutar > Attachments: hbase-9952_v1.patch > > > In our QA run, certain snapshot restore request seemed to hang. > The following was found in master log: > {code} > 2013-11-11 08:52:43,887 INFO org.apache.hadoop.hbase.util.FSVisitor: No logs under directory:hdfs://qeempress21:8020/apps/hbase/data/.hbase-snapshot/snapshot_tablethree_mod/WALs^M > 2013-11-11 08:52:43,887 INFO org.apache.hadoop.hbase.master.RegionStates: Transitioned {e048f867bbb31702dc1dd0498db53b82 state=SPLIT, ts=1384159894259, server=QEEMPRESS23,60020,1384146414618} to {e048f867bbb31702dc1dd0498db53b82 state=OFFLINE, ts=1384159963887, server=null}^M > 2013-11-11 08:52:43,896 INFO org.apache.hadoop.hbase.catalog.MetaEditor: Deleted [{ENCODED => 214a354a9e9f07d3c4e9420d2fdd8d28, NAME => 'tablethree_mod,,1384159891126.214a354a9e9f07d3c4e9420d2fdd8d28.', STARTKEY => '', ENDKEY => '\x5C011'}, {ENCODED => 4dad288061dac82bb420fb6dd526eea5, NAME => 'tablethree_mod,\x5C011,1384159900704.4dad288061dac82bb420fb6dd526eea5.', STARTKEY => '\x5C011', ENDKEY => '\x5C100'}, {ENCODED => e98b84924307f22d4318cfe235445ba7, NAME => 'tablethree_mod,\x5C100,1384159900704.e98b84924307f22d4318cfe235445ba7.', STARTKEY => '\x5C100', ENDKEY => ''}]^M > 2013-11-11 08:52:43,900 INFO org.apache.hadoop.hbase.catalog.MetaEditor: Added 1^M > 2013-11-11 08:52:43,913 DEBUG org.apache.hadoop.hbase.zookeeper.lock.ZKInterProcessLockBase: Released /hbase/table-lock/tablethree_mod/write-master:600000000000006^M > 2013-11-11 08:52:43,913 ERROR org.apache.hadoop.hbase.executor.EventHandler: Caught throwable while processing event C_M_RESTORE_SNAPSHOT^M > java.lang.NullPointerException^M > at org.apache.hadoop.hbase.catalog.MetaEditor.deleteRegions(MetaEditor.java:488)^M > at org.apache.hadoop.hbase.catalog.MetaEditor.overwriteRegions(MetaEditor.java:534)^M > at org.apache.hadoop.hbase.master.snapshot.RestoreSnapshotHandler.handleTableOperation(RestoreSnapshotHandler.java:160)^M > at org.apache.hadoop.hbase.master.handler.TableEventHandler.process(TableEventHandler.java:129)^M > at org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:128)^M > at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)^M > at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)^M > {code} > Looks like null was passed in the following call MetaEditor#overwriteRegions(): > {code} > deleteRegions(catalogTracker, regionInfos); > {code} -- This message was sent by Atlassian JIRA (v6.1#6144)