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 -- This message was sent by Atlassian JIRA (v7.6.3#76005)