Francesco Palmiotto created KYLIN-1077:
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Summary: Support Hive View as Lookup Table
Key: KYLIN-1077
URL: https://issues.apache.org/jira/browse/KYLIN-1077
Project: Kylin
Issue Type: Improvement
Reporter: Francesco Palmiotto
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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