[TAJO-2188] Can't start tajo daemon on HDP,CDH

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 0.12.0
• Fix Version/s: 0.12.0
• Component/s: TajoMaster, Worker

Environment

HDP,CDH

• Assignee: Jinho Kim
• Reporter: Jinho Kim
• Created: 10/Jul/18 12:54
• Updated: 12/Jul/18 05:06
• Resolved: 12/Jul/18 05:06

Description

File.listFiles() returns null, if does not have read access
Here is the log

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:

Issue Links

• links to: GitHub Pull Request #1054
• links to: GitHub Pull Request #1054