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Anoop Sam John commented on HBASE-13970: ---------------------------------------- Ya this can work. > NPE during compaction in trunk > ------------------------------ > > Key: HBASE-13970 > URL: https://issues.apache.org/jira/browse/HBASE-13970 > Project: HBase > Issue Type: Bug > Affects Versions: 2.0.0, 0.98.13, 1.2.0, 1.1.1 > Reporter: ramkrishna.s.vasudevan > Assignee: ramkrishna.s.vasudevan > Fix For: 2.0.0, 0.98.14, 1.2.0, 1.1.2 > > Attachments: HBASE-13970.patch > > > Updated the trunk.. Loaded the table with PE tool. Trigger a flush to ensure > all data is flushed out to disk. When the first compaction is triggered we > get an NPE and this is very easy to reproduce > {code} > 015-06-25 21:33:46,041 INFO [main-EventThread] > procedure.ZKProcedureMemberRpcs: Received procedure start children changed > event: /hbase/flush-table-proc/acquired > 2015-06-25 21:33:46,051 INFO > [rs(stobdtserver3,16040,1435248182301)-flush-proc-pool3-thread-1] > regionserver.HRegion: Flushing 1/1 column families, memstore=76.91 MB > 2015-06-25 21:33:46,159 ERROR > [regionserver/stobdtserver3/10.224.54.70:16040-longCompactions-1435248183945] > regionserver.CompactSplitThread: Compaction failed Request = > regionName=TestTable,00000000000000000000283887,1435248198798.028fb0324cd6eb03d5022eb8c147b7c4., > storeName=info, fileCount=3, fileSize=343.4 M (114.5 M, 114.5 M, 114.5 M), > priority=3, time=7536968291719985 > java.lang.NullPointerException > at > org.apache.hadoop.hbase.regionserver.compactions.PressureAwareCompactionThroughputController$ActiveCompaction.access$700(PressureAwareCompactionThroughputController.java:79) > at > org.apache.hadoop.hbase.regionserver.compactions.PressureAwareCompactionThroughputController.finish(PressureAwareCompactionThroughputController.java:238) > at > org.apache.hadoop.hbase.regionserver.compactions.Compactor.performCompaction(Compactor.java:306) > at > org.apache.hadoop.hbase.regionserver.compactions.DefaultCompactor.compact(DefaultCompactor.java:106) > at > org.apache.hadoop.hbase.regionserver.DefaultStoreEngine$DefaultCompactionContext.compact(DefaultStoreEngine.java:112) > at > org.apache.hadoop.hbase.regionserver.HStore.compact(HStore.java:1202) > at > org.apache.hadoop.hbase.regionserver.HRegion.compact(HRegion.java:1792) > at > org.apache.hadoop.hbase.regionserver.CompactSplitThread$CompactionRunner.run(CompactSplitThread.java:524) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at java.lang.Thread.run(Thread.java:745) > 2015-06-25 21:33:46,745 INFO > [rs(stobdtserver3,16040,1435248182301)-flush-proc-pool3-thread-1] > regionserver.DefaultStoreFlusher: Flushed, sequenceid=1534, memsize=76.9 M, > hasBloomFilter=true, into tmp file > hdfs://stobdtserver3:9010/hbase/data/default/TestTable/028fb0324cd6eb03d5022eb8c147b7c4/.tmp/942ba0831a0047a08987439e34361a0c > 2015-06-25 21:33:46,772 INFO > [rs(stobdtserver3,16040,1435248182301)-flush-proc-pool3-thread-1] > regionserver.HStore: Added > hdfs://stobdtserver3:9010/hbase/data/default/TestTable/028fb0324cd6eb03d5022eb8c147b7c4/info/942ba0831a0047a08987439e34361a0c, > entries=68116, sequenceid=1534, filesize=68.7 M > 2015-06-25 21:33:46,773 INFO > [rs(stobdtserver3,16040,1435248182301)-flush-proc-pool3-thread-1] > regionserver.HRegion: Finished memstore flush of ~76.91 MB/80649344, > currentsize=0 B/0 for region > TestTable,00000000000000000000283887,1435248198798.028fb0324cd6eb03d5022eb8c147b7c4. > in 723ms, sequenceid=1534, compaction requested=true > 2015-06-25 21:33:46,780 INFO [main-EventThread] > procedure.ZKProcedureMemberRpcs: Received created > event:/hbase/flush-table-proc/reached/TestTable > 2015-06-25 21:33:46,790 INFO [main-EventThread] > procedure.ZKProcedureMemberRpcs: Received created > event:/hbase/flush-table-proc/abort/TestTable > 2015-06-25 21:33:46,791 INFO [main-EventThread] > procedure.ZKProcedureMemberRpcs: Received procedure abort children changed > event: /hbase/flush-table-proc/abort > 2015-06-25 21:33:46,803 INFO [main-EventThread] > procedure.ZKProcedureMemberRpcs: Received procedure start children changed > event: /hbase/flush-table-proc/acquired > 2015-06-25 21:33:46,818 INFO [main-EventThread] > procedure.ZKProcedureMemberRpcs: Received procedure abort children changed > event: /hbase/flush-table-proc/abort > {code} > Will check this on what is the reason behind it. -- This message was sent by Atlassian JIRA (v6.3.4#6332)