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Posted to issues@kylin.apache.org by "Zhong,Jason (JIRA)" <ji...@apache.org> on 2016/05/11 10:02:12 UTC
[jira] [Resolved] (KYLIN-1551) Should check and ensure TopN measure
has two parameters specified
[ https://issues.apache.org/jira/browse/KYLIN-1551?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Zhong,Jason resolved KYLIN-1551.
--------------------------------
Resolution: Fixed
> Should check and ensure TopN measure has two parameters specified
> -----------------------------------------------------------------
>
> Key: KYLIN-1551
> URL: https://issues.apache.org/jira/browse/KYLIN-1551
> Project: Kylin
> Issue Type: Bug
> Components: Web
> Affects Versions: v1.5.0
> Reporter: Shaofeng SHI
> Assignee: Zhong,Jason
> Fix For: v1.5.2
>
>
> User from mailing list reported an error when using TopN:
> {code}
> when I use TOP-N, exception occured
> java.lang.IndexOutOfBoundsException: Index: 1, Size: 1
> at java.util.ArrayList.rangeCheck(ArrayList.java:635)
> at java.util.ArrayList.get(ArrayList.java:411)
> at org.apache.kylin.measure.topn.TopNMeasureType.getColumnsNeedDictionary(TopNMeasureType.java:170)
> at org.apache.kylin.cube.model.CubeDesc.getAllColumnsNeedDictionary(CubeDesc.java:975)
> at org.apache.kylin.cube.CubeManager.getAllDictColumnsOnFact(CubeManager.java:904)
> at org.apache.kylin.engine.mr.steps.FactDistinctColumnsJob.run(FactDistinctColumnsJob.java:80)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> at org.apache.kylin.engine.mr.common.MapReduceExecutable.doWork(MapReduceExecutable.java:118)
> at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:114)
> at org.apache.kylin.job.execution.DefaultChainedExecutable.doWork(DefaultChainedExecutable.java:50)
> at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:114)
> at org.apache.kylin.job.impl.threadpool.DefaultScheduler$JobRunner.run(DefaultScheduler.java:124)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> {code}
> The reason should be: no second parameter be specified for TopN. I can reproduce it on v1.5.0; The cube GUI should check and report to user when find such a case.
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