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Hudson commented on HBASE-15933: -------------------------------- FAILURE: Integrated in HBase-Trunk_matrix #974 (See [https://builds.apache.org/job/HBase-Trunk_matrix/974/]) HBASE-15933 Addendum - make merge decision when sizes of both regions (tedyu: rev cd2588001cf31ad2fb2020f9e021c9b1be1b76fc) * hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/SimpleRegionNormalizer.java > NullPointerException may be thrown from SimpleRegionNormalizer#getRegionSize() > ------------------------------------------------------------------------------ > > Key: HBASE-15933 > URL: https://issues.apache.org/jira/browse/HBASE-15933 > Project: HBase > Issue Type: Bug > Reporter: Ted Yu > Assignee: Ted Yu > Fix For: 2.0.0, 1.4.0 > > Attachments: 15933.addendum, 15933.v1.txt > > > The following was observed in master log: > {code} > 2016-05-26 00:09:54,716 INFO [AM.ZK.Worker-pool2-t6917] master.RegionStates: > Transition {7669ce6bec40dd44bb2388ff4d610b7b state=CLOSED, ts=1464221394716, > server=x.net,60020,1463615066136} to {7669ce6bec40dd44bb2388ff4d610b7b > state=OFFLINE, ts=1464221394716, server=x.net,60020,1463615066136} > 2016-05-26 00:09:54,717 ERROR [y.net,60000,1463614725717_ChoreService_1] > normalizer.RegionNormalizerChore: Caught error > java.lang.NullPointerException > at > org.apache.hadoop.hbase.master.normalizer.SimpleRegionNormalizer.getRegionSize(SimpleRegionNormalizer.java:174) > at > org.apache.hadoop.hbase.master.normalizer.SimpleRegionNormalizer.computePlanForTable(SimpleRegionNormalizer.java:99) > at > org.apache.hadoop.hbase.master.HMaster.normalizeRegions(HMaster.java:1406) > at > org.apache.hadoop.hbase.master.normalizer.RegionNormalizerChore.chore(RegionNormalizerChore.java:49) > at org.apache.hadoop.hbase.ScheduledChore.run(ScheduledChore.java:185) > at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) > at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) > at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > {code} > DEBUG was not turned on. > Looks like race condition where the Map returned by getRegionsLoad() no > longer contained certain region. -- This message was sent by Atlassian JIRA (v6.3.4#6332)