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Type:
Bug
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Status: Closed
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Priority:
Blocker
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Resolution: Fixed
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Affects Version/s: v2.5.0
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Fix Version/s: v2.6.0
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Component/s: Job Engine
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Labels:None
异常如下:
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:178) at org.apache.kylin.job.impl.threadpool.DistributedScheduler$JobRunner.run(DistributedScheduler.java:111) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$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:178) at org.apache.kylin.job.execution.DefaultChainedExecutable.doWork(DefaultChainedExecutable.java:69) at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:163) ... 4 more Caused by: java.lang.NullPointerException at org.apache.kylin.source.hive.CreateFlatHiveTableStep.getCubeSpecificConfig(CreateFlatHiveTableStep.java:92) at org.apache.kylin.source.hive.CreateFlatHiveTableStep.doWork(CreateFlatHiveTableStep.java:97) at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:163) ... 6 more
具体原因:默认配置只有一个线程来串行处理广播事件,当集群节点达到十个左右时,一个事件的同步平均耗时一分钟左右,因此会导致Table、Model、Cube的滞后同步影响分布式构建。
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