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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 > -- This message was sent by Atlassian JIRA (v6.4.14#64029)