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From 王锋 <wfeng1...@163.com>
Subject Re:hive-Nullpointer Exception From ConditionalResolverSkewJoin
Date Tue, 13 Mar 2012 05:46:18 GMT

the problem is occurred when I enabled the configuration item : hive.optimize.skewjoin


After disable the property,hive can run normally. 


At 2012-03-13 12:06:53,"王锋" <wfeng1982@163.com> wrote:

Exception:
 java.lang.NullPointerException
        at org.apache.hadoop.hive.ql.plan.ConditionalResolverSkewJoin.getTasks(ConditionalResolverSkewJoin.java:97)
        at org.apache.hadoop.hive.ql.exec.ConditionalTask.execute(ConditionalTask.java:81)
        at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:130)
        at org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:57)
        at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:1063)
        at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:900)
        at or g.apache.hadoop.hive.ql.Driver.run(Driver.java:748)
        at org.apache.hadoop.hive.service.HiveServer$HiveServerHandler.execute(HiveServer.java:151)
        at org.apache.hadoop.hive.service.ThriftHive$Processor$execute.process(ThriftHive.java:764)
        at org.apache.hadoop.hive.service.ThriftHive$Processor.process(ThriftHive.java:742)
        at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:253)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
        at java.lang.Thread.run(Thr ead.java:722)
FAILED: Execution Error, return code -101 from org.apache.hadoop.hive.ql.exec.ConditionalTask



And I still found the issue 1893 (https://issues.apache.org/jira/browse/HIVE-1893)  but it
didn't be resolved.


pls tell me how to advoid this question or solve it .


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