Shaofeng SHI created KYLIN-2059:
-----------------------------------
Summary: Concurrent build issue in
CubeManager.calculateToBeSegments()
Key: KYLIN-2059
URL: https://issues.apache.org/jira/browse/KYLIN-2059
Project: Kylin
Issue Type: Bug
Components: Metadata
Affects Versions: v1.6.0
Reporter: Shaofeng SHI
Assignee: Shaofeng SHI
Fix For: v1.6.0
In 1.6.0 Kylin will allow multile segments be built concurently; A bug is found
in CubeManager.calculateToBeSegments(), which will delete merging segments
unexpectedly when another segment's build is finished.
{code}
java.lang.NullPointerException
at
org.apache.kylin.engine.mr.steps.UpdateCubeInfoAfterMergeStep.doWork(UpdateCubeInfoAfterMergeStep.java:69)
at
org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:115)
at
org.apache.kylin.job.execution.DefaultChainedExecutable.doWork(DefaultChainedExecutable.java:57)
at
org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:115)
at
org.apache.kylin.job.impl.threadpool.DefaultScheduler$JobRunner.run(DefaultScheduler.java:136)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
{code}
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