[ https://issues.apache.org/jira/browse/HBASE-10630?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ted Yu updated HBASE-10630: --------------------------- Attachment: 10630-v1.txt > NullPointerException in > ConnectionManager$HConnectionImplementation.locateRegionInMeta() due to > missing region info > ------------------------------------------------------------------------------------------------------------------- > > Key: HBASE-10630 > URL: https://issues.apache.org/jira/browse/HBASE-10630 > Project: HBase > Issue Type: Sub-task > Reporter: Ted Yu > Assignee: Ted Yu > Attachments: 10630-v1.txt > > > During Load And Verify With Chaos Monkey test, we observed: > {code} > 2014-02-26 16:28:17,964|beaver.machine|INFO|2014-02-26 16:28:17,964 INFO > [main] mapreduce.Job: map 71% reduce 0% > 2014-02-26 16:28:20,073|beaver.machine|INFO|2014-02-26 16:28:20,073 INFO > [main] mapreduce.Job: map 82% reduce 0% > 2014-02-26 16:28:20,077|beaver.machine|INFO|2014-02-26 16:28:20,077 INFO > [main] mapreduce.Job: Task Id : attempt_1393409213482_0015_m_000068_0, Status > : FAILED > 2014-02-26 16:28:20,099|beaver.machine|INFO|Error: > java.lang.NullPointerException > 2014-02-26 16:28:20,100|beaver.machine|INFO|at > org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.locateRegionInMeta(ConnectionManager.java:1175) > 2014-02-26 16:28:20,100|beaver.machine|INFO|at > org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.locateRegion(ConnectionManager.java:1038) > 2014-02-26 16:28:20,100|beaver.machine|INFO|at > org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.locateRegionAll(ConnectionManager.java:986) > 2014-02-26 16:28:20,101|beaver.machine|INFO|at > org.apache.hadoop.hbase.client.AsyncProcess.findDestLocation(AsyncProcess.java:418) > 2014-02-26 16:28:20,101|beaver.machine|INFO|at > org.apache.hadoop.hbase.client.AsyncProcess.submit(AsyncProcess.java:343) > 2014-02-26 16:28:20,101|beaver.machine|INFO|at > org.apache.hadoop.hbase.client.AsyncProcess.submit(AsyncProcess.java:296) > 2014-02-26 16:28:20,102|beaver.machine|INFO|at > org.apache.hadoop.hbase.client.HTable.backgroundFlushCommits(HTable.java:1024) > 2014-02-26 16:28:20,102|beaver.machine|INFO|at > org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:1298) > 2014-02-26 16:28:20,102|beaver.machine|INFO|at > org.apache.hadoop.hbase.test.IntegrationTestLoadAndVerify$LoadMapper.cleanup(IntegrationTestLoadAndVerify.java:188) > 2014-02-26 16:28:20,102|beaver.machine|INFO|at > org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:148) > 2014-02-26 16:28:20,103|beaver.machine|INFO|at > org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:764) > 2014-02-26 16:28:20,103|beaver.machine|INFO|at > org.apache.hadoop.mapred.MapTask.run(MapTask.java:340) > 2014-02-26 16:28:20,103|beaver.machine|INFO|at > org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:168) > 2014-02-26 16:28:20,103|beaver.machine|INFO|at > java.security.AccessController.doPrivileged(Native Method) > 2014-02-26 16:28:20,104|beaver.machine|INFO|at > javax.security.auth.Subject.doAs(Subject.java:396) > 2014-02-26 16:28:20,104|beaver.machine|INFO|at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548) > 2014-02-26 16:28:20,104|beaver.machine|INFO|at > org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:163) > 2014-02-26 16:28:20,105|beaver.machine|INFO| > 2014-02-26 16:28:20,105|beaver.machine|INFO|Container killed by the > ApplicationMaster. > {code} > Here is related code: > {code} > // convert the row result into the HRegionLocation we need! > location = MetaReader.getRegionLocations(regionInfoRow); > HRegionInfo regionInfo = > location.getRegionLocation().getRegionInfo(); > if (regionInfo == null) { > throw new IOException("HRegionInfo was null or empty in " + > {code} > null check should be performed against location and > location.getRegionLocation(). -- This message was sent by Atlassian JIRA (v6.1.5#6160)