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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TAJO-2188) Can't start tajo daemon on HDP,CDH
Date Wed, 11 Jul 2018 04:54:00 GMT

    [ https://issues.apache.org/jira/browse/TAJO-2188?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16539563#comment-16539563
] 

ASF GitHub Bot commented on TAJO-2188:
--------------------------------------

hyunsik commented on issue #1054: TAJO-2188: Can't start tajo daemon on HDP,CDH
URL: https://github.com/apache/tajo/pull/1054#issuecomment-404044655
 
 
   Hi @jinossy,
   
   LGTM +1
   The patch looks straightforward. 

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> Can't start tajo daemon on HDP,CDH
> ----------------------------------
>
>                 Key: TAJO-2188
>                 URL: https://issues.apache.org/jira/browse/TAJO-2188
>             Project: Tajo
>          Issue Type: Bug
>          Components: TajoMaster, Worker
>    Affects Versions: 0.12.0
>         Environment: HDP,CDH
>            Reporter: Jinho Kim
>            Assignee: Jinho Kim
>            Priority: Minor
>
> File.listFiles() returns null, if does not have read access
> Here is the log
> {code}
> 2018-07-05 19:23:21,317 INFO org.apache.tajo.master.TajoMaster: Staging dir: hdfs://xxx/tajo/warehouse
2018-07-05 19:23:21,414 INFO org.apache.hadoop.service.AbstractService: Service org.apache.tajo.master.TajoMaster
failed in state INITED; cause: java.lang.NullPointerException java.lang.NullPointerException
at org.apache.tajo.util.ClassUtil.findClasses(ClassUtil.java:60) at org.apache.tajo.util.ClassUtil.findClasses(ClassUtil.java:61)
at org.apache.tajo.util.ClassUtil.findClasses(ClassUtil.java:50) at org.apache.tajo.util.ClassUtil.findClasses(ClassUtil.java:38)
at org.apache.tajo.rule.base.BaseRuleProvider.getDefinedRules(BaseRuleProvider.java:38) at
org.apache.tajo.rule.SelfDiagnosisRuleEngine.loadPredefinedRules(SelfDiagnosisRuleEngine.java:83)
at org.apache.tajo.rule.SelfDiagnosisRuleEngine.<init>(SelfDiagnosisRuleEngine.java:30)
at org.apache.tajo.rule.SelfDiagnosisRuleEngine.getInstance(SelfDiagnosisRuleEngine.java:37)
at org.apache.tajo.master.TajoMaster.diagnoseTajoMaster(TajoMaster.java:324) at org.apache.tajo.master.TajoMaster.serviceInit(TajoMaster.java:179)
at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163) at org.apache.tajo.master.TajoMaster.main(TajoMaster.java:627)
2018-07-05 19:23:21,417 INFO org.apache.tajo.master.TajoMaster: Tajo Master main thread exiting
2018-07-05 19:23:21,417 FATAL org.apache.tajo.master.TajoMaster: Error starting TajoMaster
java.lang.NullPointerException at org.apache.tajo.util.ClassUtil.findClasses(ClassUtil.java:60)
at org.apache.tajo.util.ClassUtil.findClasses(ClassUtil.java:61) at org.apache.tajo.util.ClassUtil.findClasses(ClassUtil.java:50)
at org.apache.tajo.util.ClassUtil.findClasses(ClassUtil.java:38) at org.apache.tajo.rule.base.BaseRuleProvider.getDefinedRules(BaseRuleProvider.java:38)
at org.apache.tajo.rule.SelfDiagnosisRuleEngine.loadPredefinedRules(SelfDiagnosisRuleEngine.java:83)
at org.apache.tajo.rule.SelfDiagnosisRuleEngine.<init>(SelfDiagnosisRuleEngine.java:30)
at org.apache.tajo.rule.SelfDiagnosisRuleEngine.getInstance(SelfDiagnosisRuleEngine.java:37)
at org.apache.tajo.master.TajoMaster.diagnoseTajoMaster(TajoMaster.java:324) at org.apache.tajo.master.TajoMaster.serviceInit(TajoMaster.java:179)
at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163) at org.apache.tajo.master.TajoMaster.main(TajoMaster.java:627)
2018-07-05 19:23:21,524 INFO org.apache.tajo.master.TajoMaster: SHUTDOWN_MSG:
> {code}



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