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https://issues.apache.org/jira/browse/KYLIN-3020?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16249192#comment-16249192
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Ma Gang commented on KYLIN-3020:
--------------------------------
Sometimes NPE throws in create flat table steps or bulkload hfile steps, and
often resume job make it work:
java.lang.NullPointerException
at
org.apache.hadoop.util.GenericOptionsParser.processGeneralOptions(GenericOptionsParser.java:283)
at
org.apache.hadoop.util.GenericOptionsParser.parseGeneralOptions(GenericOptionsParser.java:487)
at
org.apache.hadoop.util.GenericOptionsParser.<init>(GenericOptionsParser.java:170)
at
org.apache.hadoop.util.GenericOptionsParser.<init>(GenericOptionsParser.java:153)
at org.apache.kylin.engine.mr.MRUtil.getParser(MRUtil.java:100)
at org.apache.kylin.engine.mr.MRUtil.runMRJob(MRUtil.java:90)
at
org.apache.kylin.engine.mr.common.MapReduceExecutable.doWork(MapReduceExecutable.java:126)
at
org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:153)
at
org.apache.kylin.job.execution.DefaultChainedExecutable.doWork(DefaultChainedExecutable.java:52)
at
org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:153)
at
org.apache.kylin.job.impl.threadpool.DefaultScheduler$JobRunner.run(DefaultScheduler.java:158)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745
> org.apache.hadoop.util.ToolRunner is not threadsafe and misused in kylin
> HadoopShellExecutable
> ----------------------------------------------------------------------------------------------
>
> Key: KYLIN-3020
> URL: https://issues.apache.org/jira/browse/KYLIN-3020
> Project: Kylin
> Issue Type: Bug
> Reporter: Zhong Yanghong
> Assignee: Ma Gang
>
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