Return-Path: Delivered-To: apmail-hbase-issues-archive@www.apache.org Received: (qmail 9265 invoked from network); 17 Nov 2010 22:13:12 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 17 Nov 2010 22:13:12 -0000 Received: (qmail 29733 invoked by uid 500); 17 Nov 2010 22:13:43 -0000 Delivered-To: apmail-hbase-issues-archive@hbase.apache.org Received: (qmail 29691 invoked by uid 500); 17 Nov 2010 22:13:43 -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 29655 invoked by uid 99); 17 Nov 2010 22:13:43 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 17 Nov 2010 22:13:43 +0000 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.22] (HELO thor.apache.org) (140.211.11.22) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 17 Nov 2010 22:13:40 +0000 Received: from thor (localhost [127.0.0.1]) by thor.apache.org (8.13.8+Sun/8.13.8) with ESMTP id oAHMDJa9008612 for ; Wed, 17 Nov 2010 22:13:19 GMT Message-ID: <6205744.161861290031999177.JavaMail.jira@thor> Date: Wed, 17 Nov 2010 17:13:19 -0500 (EST) From: "Kannan Muthukkaruppan (JIRA)" To: issues@hbase.apache.org Subject: [jira] Commented: (HBASE-3239) NPE when trying to roll logs In-Reply-To: <1444876.124911289938977231.JavaMail.jira@thor> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 X-Virus-Checked: Checked by ClamAV on apache.org [ https://issues.apache.org/jira/browse/HBASE-3239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12933191#action_12933191 ] Kannan Muthukkaruppan commented on HBASE-3239: ---------------------------------------------- Note: The cluster this happened on didn't have HBASE-3208 & HBASE-3198 fixes. > NPE when trying to roll logs > ---------------------------- > > Key: HBASE-3239 > URL: https://issues.apache.org/jira/browse/HBASE-3239 > Project: HBase > Issue Type: Bug > Components: regionserver > Affects Versions: 0.90.0 > Reporter: Prakash Khemani > Assignee: Kannan Muthukkaruppan > Priority: Blocker > Fix For: 0.90.0 > > > Note from Kannan > findMemstoresWithEditsEqualOrOlderThan() can return NULL it seems like. And we don't check NULL, before "region.length". > regions = findMemstoresWithEditsEqualOrOlderThan(this.outputfiles.firstKey(), > this.lastSeqWritten); > StringBuilder sb = new StringBuilder(); > for (int i = 0; i < regions.length; i++) { > === > Stack Trace > 2010-11-15 19:19:54,258 DEBUG org.apache.hadoop.hbase.io.hfile.LruBlockCache: LRU Stats: total=6.1 GB, free=1.71 GB, max=7.81 GB, blocks=385740, accesses=7020255, hits=6329399, hitRatio=90.15%%, cachingAccesses=6765050, cachingHits=6329399, cachingHitsRatio=93.56%%, evictions=1, evicted=49911, evictedPerRun=49911.0 > 2010-11-15 19:21:05,204 INFO org.apache.hadoop.hbase.regionserver.wal.SequenceFileLogWriter: Using syncFs -- HDFS-200 > 2010-11-15 19:21:05,211 INFO org.apache.hadoop.hbase.regionserver.wal.HLog: Roll /PUMAHBASE001-SNC5-HBASE/.logs/pumahbase042.snc5.facebook.com,60020,1289856892583/10.38.28.57%3A60020.1289877154987, entries=649004, filesize=255069060. New hlog /PUMAHBASE001-SNC5-HBASE/.logs/pumahbase042.snc5.facebook.com,60020,1289856892583/10.38.28.57%3A60020.1289877665062 > 2010-11-15 19:21:05,222 ERROR org.apache.hadoop.hbase.regionserver.LogRoller: Log rolling failed > java.lang.NullPointerException > at org.apache.hadoop.hbase.regionserver.wal.HLog.cleanOldLogs(HLog.java:648) > at org.apache.hadoop.hbase.regionserver.wal.HLog.rollWriter(HLog.java:528) > at org.apache.hadoop.hbase.regionserver.LogRoller.run(LogRoller.java:94) > 2010-11-15 19:21:05,226 FATAL org.apache.hadoop.hbase.regionserver.HRegionServer: ABORTING region server serverName=pumahbase042.snc5.facebook.com,60020,1289856892583, load=(requests=3476, regions=40, usedHeap=8388, maxHeap=15987): Log rolling failed > java.lang.NullPointerException > at org.apache.hadoop.hbase.regionserver.wal.HLog.cleanOldLogs(HLog.java:648) > at org.apache.hadoop.hbase.regionserver.wal.HLog.rollWriter(HLog.java:528) > at org.apache.hadoop.hbase.regionserver.LogRoller.run(LogRoller.java:94) > 2010-11-15 19:21:05,227 INFO org.apache.hadoop.hbase.regionserver.HRegionServer: Dump of metrics: request=1264.5834, regions=40, stores=70, storefiles=98, storefileIndexSize=35, memstoreSize=83, compactionQueueSize=0, usedHeap=8370, maxHeap=15987, blockCacheSize=6593768536, blockCacheFree=1788154792, blockCacheCount=388283, blockCacheHitRatio=90, blockCacheHitCachingRatio=93 > 2010-11-15 19:21:05,227 INFO org.apache.hadoop.hbase.regionserver.HRegionServer: STOPPED: Log rolling failed > 2010-11-15 19:21:05,227 INFO org.apache.hadoop.hbase.regionserver.LogRoller: LogRoller exiting. > 2010-11-15 19:21:07,255 INFO org.apache.hadoop.ipc.HBaseServer: Stopping server on 60020 > === -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.