[TAJO-874] Sometimes InvalidOperationException occurs when aggregates TableStat.

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 0.9.0
• Assignee: Hyoungjun Kim
• Reporter: Hyoungjun Kim
• Created: 09/Jun/14 11:59
• Updated: 25/Jun/14 09:21
• Resolved: 25/Jun/14 08:58

Description

2014-06-09 20:25:30,074 ERROR org.apache.tajo.master.querymaster.SubQuery:
org.apache.tajo.exception.InvalidOperationException
        at org.apache.tajo.datum.TextDatum.compareTo(TextDatum.java:113)
        at org.apache.tajo.catalog.statistics.StatisticsUtil.aggregateTableStat(StatisticsUtil.java:122)
        at org.apache.tajo.master.querymaster.SubQuery.computeStatFromTasks(SubQuery.java:539)
        at org.apache.tajo.master.querymaster.SubQuery.finalizeStats(SubQuery.java:571)
        at org.apache.tajo.master.querymaster.SubQuery.complete(SubQuery.java:370)
        at org.apache.tajo.master.querymaster.SubQuery$SubQueryCompleteTransition.transition(SubQuery.java:1128)
        at org.apache.tajo.master.querymaster.SubQuery$SubQueryCompleteTransition.transition(SubQuery.java:1100)
        at org.apache.hadoop.yarn.state.StateMachineFactory$MultipleInternalArc.doTransition(StateMachineFactory.java:385)
        at org.apache.hadoop.yarn.state.StateMachineFactory.doTransition(StateMachineFactory.java:302)
        at org.apache.hadoop.yarn.state.StateMachineFactory.access$300(StateMachineFactory.java:46)
        at org.apache.hadoop.yarn.state.StateMachineFactory$InternalStateMachine.doTransition(StateMachineFactory.java:448)
        at org.apache.tajo.master.querymaster.SubQuery.handle(SubQuery.java:599)
        at org.apache.tajo.master.querymaster.QueryMasterTask$SubQueryEventDispatcher.handle(QueryMasterTask.java:247)
        at org.apache.tajo.master.querymaster.QueryMasterTask$SubQueryEventDispatcher.handle(QueryMasterTask.java:241)
        at org.apache.tajo.master.TajoAsyncDispatcher.dispatch(TajoAsyncDispatcher.java:137)
        at org.apache.tajo.master.TajoAsyncDispatcher$1.run(TajoAsyncDispatcher.java:79)
        at java.lang.Thread.run(Thread.java:744)