BDD: Cannot Commit Join Transformations

(Doc ID 2382368.1)

Last updated on MAY 16, 2018

Applies to:

Oracle Big Data Discovery - Version 1.4.0.0.0 and later
Information in this document applies to any platform.

Symptoms

When trying to join two tables in Oracle Big Data Discovery (BDD) using the Join transformation, the transformation does not commit. But every other type of transformation is working fine. Even after restarting all components of Oracle BDD issue is still happens.

NullPointException threw by the ApplyTransformToDataset workflow in the workflow manager log:

[<timestamp>] [apache] [NOTIFICATION] []
[org.apache.spark.deploy.yarn.Client] [tid: 810] [ecid: 0000M6V_VJ27y0WFLzuHOA1QXeRg0000wA,0:5] [[client token: N/A diagnostics: User class threw exception: org.apache.spark.SparkException:
Job aborted due to stage failure: Task 0 in stage 0.0 failed n times, most recent failure: Lost task 0.3 in stage 0.0 (TID 6,<hostname>, executor 1): java.lang.NullPointerException
at com.oracle.endeca.pdi.mdex.kvp.MdexKvpFactory.getPoolKey(MdexKvpFactory.java:45)
at com.oracle.endeca.pdi.mdex.kvp.MdexKvpFactory.getMissingKvp(MdexKvpFactory.java:34)
at com.oracle.endeca.pdi.mdex.kvp.MdexKvpMissing.convertToType(MdexKvpMissing.java:60)
at com.oracle.endeca.pdi.mdex.kvp.MdexKvpMissing.convertToType(MdexKvpMissing.java:14)
at com.oracle.endeca.pdi.concepts.ds.kvp.DataSourceKvp.convertToType(DataSourceKvp.java:166)
at com.oracle.endeca.pdi.processors.functions.ConvertDataSourceToMdexTypesFunction.call(ConvertDataSourceToMdexTypesFunction.java:59)

 

Changes

 

Cause

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