[ https://issues.apache.org/jira/browse/HBASE-3239?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Gray reassigned HBASE-3239: ------------------------------------ Assignee: Kannan Muthukkaruppan Assigning to Kannan who made a fix for this in our internal branch. > 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.