[
https://issues.apache.org/jira/browse/KYLIN-3752?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
xiaodongzhang updated KYLIN-3752:
---------------------------------
Description:
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的滞后同步印象分布式构建。
解决办法：[https://github.com/apache/kylin/pull/427]
was:
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的滞后同步印象分布式构建。
> Cube构建时在第一步发生NullPointerException异常：org.apache.kylin.source.hive.CreateFlatHiveTableStep.getCubeSpecificConfig(CreateFlatHiveTableStep.java:92)
> -----------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: KYLIN-3752
> URL: https://issues.apache.org/jira/browse/KYLIN-3752
> Project: Kylin
> Issue Type: Bug
> Components: Job Engine
> Affects Versions: v2.5.0
> Reporter: xiaodongzhang
> Priority: Blocker
>
> 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的滞后同步印象分布式构建。
> 解决办法：[https://github.com/apache/kylin/pull/427]
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