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https://issues.apache.org/jira/browse/KYLIN-1077?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15237421#comment-15237421
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wangxianbin commented on KYLIN-1077:
------------------------------------
hi hongbin, thanks for your remind, and the TableSignature will be the
Signature of the intermediate table that created by using Create Table As
Select (CTAS) which is MANAGED_TABLE, intead of the original VIRTUAL_VIEW, will
it be a problem?
> Support Hive View as Lookup Table
> ---------------------------------
>
> Key: KYLIN-1077
> URL: https://issues.apache.org/jira/browse/KYLIN-1077
> Project: Kylin
> Issue Type: Improvement
> Affects Versions: v1.1
> Reporter: Francesco Palmiotto
> Assignee: Shaofeng SHI
> Labels: newbie
>
> If we use a view as a lookup table the cube building job fails when executing
> the 3rd step (Build Dimension Dictionary) with this log:
> java.io.IOException: java.lang.NullPointerException
> at
> org.apache.kylin.dict.lookup.HiveTable.getSignature(HiveTable.java:72)
> at
> org.apache.kylin.dict.DictionaryManager.buildDictionary(DictionaryManager.java:202)
> at
> org.apache.kylin.cube.CubeManager.buildDictionary(CubeManager.java:166)
> at
> org.apache.kylin.cube.cli.DictionaryGeneratorCLI.processSegment(DictionaryGeneratorCLI.java:52)
> at
> org.apache.kylin.cube.cli.DictionaryGeneratorCLI.processSegment(DictionaryGeneratorCLI.java:41)
> at
> org.apache.kylin.job.hadoop.dict.CreateDictionaryJob.run(CreateDictionaryJob.java:52)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> at
> org.apache.kylin.job.common.HadoopShellExecutable.doWork(HadoopShellExecutable.java:62)
> at
> org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:107)
> at
> org.apache.kylin.job.execution.DefaultChainedExecutable.doWork(DefaultChainedExecutable.java:51)
> at
> org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:107)
> at
> org.apache.kylin.job.impl.threadpool.DefaultScheduler$JobRunner.run(DefaultScheduler.java:130)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.NullPointerException
> result code:2
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