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https://issues.apache.org/jira/browse/KYLIN-1704?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15334202#comment-15334202
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Richard Calaba commented on KYLIN-1704:
---------------------------------------
Sorry - cannot reproduce anymore - before I was getting the above mentioned NPE
in Build Cube Step 3. Now in the same Build Step 3 I am getting another
exception:
java.lang.IllegalStateException: Dup key found, key=[null],
value1=[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,20160324],
value2=[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,20160324]
at org.apache.kylin.dict.lookup.LookupTable.initRow(LookupTable.java:83)
at org.apache.kylin.dict.lookup.LookupTable.init(LookupTable.java:66)
at org.apache.kylin.dict.lookup.LookupTable.<init>(LookupTable.java:54)
at
org.apache.kylin.dict.lookup.LookupStringTable.<init>(LookupStringTable.java:33)
Could be that data has changed meanwhile ... but not 100% sure ... so do not
want to confuse you ...
Is this Duplicate Lookup table entry checks something new in Kylin 1.5.2.1 ???
Askin as the previous Cube I clonned from was built successfully but on earlier
Kylin version ...
> When load empty snapshot, NULL Pointer Exception occurs
> -------------------------------------------------------
>
> Key: KYLIN-1704
> URL: https://issues.apache.org/jira/browse/KYLIN-1704
> Project: Kylin
> Issue Type: Bug
> Components: Metadata
> Affects Versions: v1.5.0, v1.5.1, v1.5.2
> Reporter: Zhong Yanghong
> Assignee: Zhong Yanghong
> Fix For: v1.5.3
>
> Attachments:
> initialize_rowIndices_and_dict_during_deserializing_when_snapshot_table_is_empty.patch
>
>
> Error Log: java.lang.NullPointerException
> at
> org.apache.kylin.dict.lookup.SnapshotTable.equals(SnapshotTable.java:163)
> at
> org.apache.kylin.dict.lookup.SnapshotManager.checkDupByContent(SnapshotManager.java:164)
> at
> org.apache.kylin.dict.lookup.SnapshotManager.trySaveNewSnapshot(SnapshotManager.java:125)
> at
> org.apache.kylin.dict.lookup.SnapshotManager.buildSnapshot(SnapshotManager.java:105)
> at
> org.apache.kylin.cube.CubeManager.buildSnapshotTable(CubeManager.java:205)
> at
> org.apache.kylin.cube.cli.DictionaryGeneratorCLI.processSegment(DictionaryGeneratorCLI.java:59)
> at
> org.apache.kylin.cube.cli.DictionaryGeneratorCLI.processSegment(DictionaryGeneratorCLI.java:42)
> at
> org.apache.kylin.engine.mr.steps.CreateDictionaryJob.run(CreateDictionaryJob.java:56)
> 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.HadoopShellExecutable.doWork(HadoopShellExecutable.java:60)
> at
> org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:105)
> at
> org.apache.kylin.job.execution.DefaultChainedExecutable.doWork(DefaultChainedExecutable.java:50)
> at
> org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:105)
> 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)
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