ShengJun Zheng created KYLIN-4962:
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Summary: Fix NPE in ShrunkDict step
Key: KYLIN-4962
URL: https://issues.apache.org/jira/browse/KYLIN-4962
Project: Kylin
Issue Type: Bug
Components: Job Engine
Affects Versions: v3.1.2
Reporter: ShengJun Zheng
Fix For: v3.1.2
There are some fields in CreateShrunkenDictionary(a spark function) that can
not be serialized, causing NPE.
Caused by: java.lang.NullPointerException
at org.apache.kylin.common.KylinConfig.getManager(KylinConfig.java:474)
at org.apache.kylin.common.KylinConfig.getManager(KylinConfig.java:472)
at org.apache.kylin.cube.CubeDescManager.getInstance(CubeDescManager.java:67)
at org.apache.kylin.cube.CubeInstance.getDescriptor(CubeInstance.java:212)
at org.apache.kylin.cube.CubeSegment.getCubeDesc(CubeSegment.java:142)
at
org.apache.kylin.cube.CubeSegment.buildGlobalDictionaryMap(CubeSegment.java:386)
at
org.apache.kylin.engine.spark.SparkCubingByLayer$CreateShrunkenDictionary.call(SparkCubingByLayer.java:592)
at
org.apache.kylin.engine.spark.SparkCubingByLayer$CreateShrunkenDictionary.call(SparkCubingByLayer.java:519)
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