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Posted to issues@kylin.apache.org by "Chao Long (JIRA)" <ji...@apache.org> on 2019/02/28 03:59:00 UTC
[jira] [Created] (KYLIN-3836) Kylin StringUtil.join() may cause NPE
if iterator is empty
Chao Long created KYLIN-3836:
--------------------------------
Summary: Kylin StringUtil.join() may cause NPE if iterator is empty
Key: KYLIN-3836
URL: https://issues.apache.org/jira/browse/KYLIN-3836
Project: Kylin
Issue Type: Bug
Reporter: Chao Long
Assignee: Chao Long
Fix For: v2.6.1
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:183)
at org.apache.kylin.job.impl.threadpool.DefaultScheduler$JobRunner.run(DefaultScheduler.java:114)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.kylin.job.exception.ExecuteException: java.lang.NullPointerException
at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:183)
at org.apache.kylin.job.execution.DefaultChainedExecutable.doWork(DefaultChainedExecutable.java:71)
at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:168)
... 4 more
Caused by: java.lang.NullPointerException
at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:191)
at com.google.common.base.Splitter.split(Splitter.java:383)
at org.apache.kylin.common.util.StringUtil.splitAndTrim(StringUtil.java:181)
at org.apache.kylin.source.hive.GarbageCollectionStep.getIntermediateTables(GarbageCollectionStep.java:95)
at org.apache.kylin.source.hive.GarbageCollectionStep.cleanUpIntermediateFlatTable(GarbageCollectionStep.java:62)
at org.apache.kylin.source.hive.GarbageCollectionStep.doWork(GarbageCollectionStep.java:48)
at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:168)
... 6 more
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