解决kylin build cube第一步报错:java.lang.NullPointerException
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报错栈:
2017-06-19 10:27:35,757 ERROR [pool-9-thread-4] threadpool.DefaultScheduler:140 : ExecuteException job:933bc47a-302c-48fa-8ec9-ae8730057175 org.apache.kylin.job.exception.ExecuteException: org.apache.kylin.job.exception.ExecuteException: java.lang.NullPointerException at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:123) at org.apache.kylin.job.impl.threadpool.DefaultScheduler$JobRunner.run(DefaultScheduler.java:136) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) Caused by: org.apache.kylin.job.exception.ExecuteException: java.lang.NullPointerException at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:123) at org.apache.kylin.job.execution.DefaultChainedExecutable.doWork(DefaultChainedExecutable.java:57) at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:113) ... 4 more Caused by: java.lang.NullPointerException at org.apache.kylin.source.hive.CreateFlatHiveTableStep.getCubeSpecificConfig(CreateFlatHiveTableStep.java:100) at org.apache.kylin.source.hive.CreateFlatHiveTableStep.doWork(CreateFlatHiveTableStep.java:105) at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:113) ... 6 more
原因:kylin集群的build server没有获取到最新meta导致
解决方法:reload metadata
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