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Posted to issues@hbase.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2013/09/11 06:16:52 UTC
[jira] [Commented] (HBASE-9498) NPE in HBaseAdmin if master not
running
[ https://issues.apache.org/jira/browse/HBASE-9498?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13763949#comment-13763949 ]
Ted Yu commented on HBASE-9498:
-------------------------------
lgtm
> NPE in HBaseAdmin if master not running
> ---------------------------------------
>
> Key: HBASE-9498
> URL: https://issues.apache.org/jira/browse/HBASE-9498
> Project: HBase
> Issue Type: Bug
> Components: Admin
> Reporter: stack
> Assignee: stack
> Fix For: 0.98.0, 0.96.0
>
> Attachments: 9498.txt
>
>
> It is caused because master is not up. The prepare fails:
> {code}
> 2:47:46.573 PM ERROR com.cloudera.cmon.firehose.AbstractHBasePoller
> Error polling HBASE-1, error: java.io.IOException: Can't get master address from ZooKeeper; znode data == null
> org.apache.hadoop.hbase.MasterNotRunningException: java.io.IOException: Can't get master address from ZooKeeper; znode data == null
> at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$StubMaker.makeStub(HConnectionManager.java:1641)
> at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$MasterMonitorServiceStubMaker.makeStub(HConnectionManager.java:1667)
> at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getKeepAliveMasterMonitorService(HConnectionManager.java:2152)
> at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.listTables(HConnectionManager.java:2629)
> at org.apache.hadoop.hbase.client.HBaseAdmin.listTables(HBaseAdmin.java:290)
> at com.cloudera.cmf.cdh5client.hbase.HBaseAdminImpl.listTables(HBaseAdminImpl.java:60)
> at com.cloudera.cmon.firehose.HBaseRegionHealthCanaryPoller$CanaryPollerRunnable.run(HBaseRegionHealthCanaryPoller.java:213)
> at com.cloudera.cmon.firehose.HBaseRegionHealthCanaryPoller$CanaryPollerRunnable.run(HBaseRegionHealthCanaryPoller.java:177)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:415)
> at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1477)
> at com.cloudera.cmf.cdh5client.security.UserGroupInformationImpl.doAs(UserGroupInformationImpl.java:29)
> at com.cloudera.cmon.firehose.HBaseRegionHealthCanaryPoller.performPoll(HBaseRegionHealthCanaryPoller.java:116)
> at com.cloudera.cmon.firehose.AbstractHBasePoller.handleHbaseService(AbstractHBasePoller.java:339)
> at com.cloudera.cmon.firehose.AbstractHBasePoller.runWithTracking(AbstractHBasePoller.java:215)
> at com.cloudera.cmon.firehose.AbstractHBasePoller.run(AbstractHBasePoller.java:140)
> at com.cloudera.enterprise.PeriodicEnterpriseService$UnexceptionablePeriodicRunnable.doWork(PeriodicEnterpriseService.java:116)
> at com.cloudera.enterprise.PeriodicEnterpriseService$UnexceptionablePeriodicRunnable.run(PeriodicEnterpriseService.java:65)
> at com.cloudera.enterprise.AbstractCDHVersionAwarePeriodicService$4.run(AbstractCDHVersionAwarePeriodicService.java:116)
> at com.cloudera.cmf.cdh5client.CDH5TaskRunner.run(CDH5TaskRunner.java:45)
> at java.lang.Thread.run(Thread.java:724)
> Caused by: java.io.IOException: Can't get master address from ZooKeeper; znode data == null
> at org.apache.hadoop.hbase.zookeeper.MasterAddressTracker.getMasterAddress(MasterAddressTracker.java:108)
> at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$StubMaker.makeStubNoRetries(HConnectionManager.java:1567)
> at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$StubMaker.makeStub(HConnectionManager.java:1612)
> ... 20 more
> {code}
> Then when done we do the call:
> {code}
> 2:47:51.587 PM ERROR com.cloudera.cmon.firehose.HBasePoller
> Encountered exception null
> java.lang.NullPointerException
> at org.apache.hadoop.hbase.client.HBaseAdmin$MasterMonitorCallable.close(HBaseAdmin.java:3053)
> at org.apache.hadoop.hbase.client.HBaseAdmin.executeCallable(HBaseAdmin.java:3089)
> at org.apache.hadoop.hbase.client.HBaseAdmin.getClusterStatus(HBaseAdmin.java:2081)
> at com.cloudera.cmf.cdh5client.hbase.HConnectionImpl.getClusterStatus(HConnectionImpl.java:69)
> at com.cloudera.cmon.firehose.HbaseServicePolledStatus.update(HbaseServicePolledStatus.java:137)
> at com.cloudera.cmon.firehose.HBasePoller$1.run(HBasePoller.java:95)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:415)
> at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1477)
> at com.cloudera.cmf.cdh5client.security.UserGroupInformationImpl.doAs(UserGroupInformationImpl.java:29)
> at com.cloudera.cmon.firehose.HBasePoller.performPoll(HBasePoller.java:84)
> at com.cloudera.cmon.firehose.AbstractHBasePoller.handleHbaseService(AbstractHBasePoller.java:339)
> at com.cloudera.cmon.firehose.AbstractHBasePoller.runWithTracking(AbstractHBasePoller.java:215)
> at com.cloudera.cmon.firehose.AbstractHBasePoller.run(AbstractHBasePoller.java:140)
> at com.cloudera.enterprise.PeriodicEnterpriseService$UnexceptionablePeriodicRunnable.doWork(PeriodicEnterpriseService.java:116)
> at com.cloudera.enterprise.PeriodicEnterpriseService$UnexceptionablePeriodicRunnable.run(PeriodicEnterpriseService.java:65)
> at com.cloudera.enterprise.AbstractCDHVersionAwarePeriodicService$4.run(AbstractCDHVersionAwarePeriodicService.java:116)
> at com.cloudera.cmf.cdh5client.CDH5TaskRunner.run(CDH5TaskRunner.java:45)
> at java.lang.Thread.run(Thread.java:724)
> {code}
> Let me fix. Let me make sure there aren't other prepare/close's that have this issue while at it.
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