[jira] [Commented] (PIG-5318) Unit test failures on Pig on Spark with Spark 2.2

["Nandor Kollar (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PIG-5318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16270990#comment-16270990 ] 

Nandor Kollar commented on PIG-5318:
------------------------------------

[~szita], [~kellyzly] could you please have review?

> Unit test failures on Pig on Spark with Spark 2.2
> -------------------------------------------------
>
>                 Key: PIG-5318
>                 URL: https://issues.apache.org/jira/browse/PIG-5318
>             Project: Pig
>          Issue Type: Bug
>          Components: spark
>            Reporter: Nandor Kollar
>            Assignee: Nandor Kollar
>         Attachments: PIG-5318_1.patch
>
>
> There are sever failing cases when executing the unit tests with Spark 2.2:
> {code}
>  org.apache.pig.test.TestAssert#testNegativeWithoutFetch
>  org.apache.pig.test.TestAssert#testNegative
>  org.apache.pig.test.TestEvalPipeline2#testNonStandardDataWithoutFetch
>  org.apache.pig.test.TestScalarAliases#testScalarErrMultipleRowsInInput
>  org.apache.pig.test.TestStore#testCleanupOnFailureMultiStore
>  org.apache.pig.test.TestStoreInstances#testBackendStoreCommunication
>  org.apache.pig.test.TestStoreLocal#testCleanupOnFailureMultiStore
> {code}
> All of these are related to fixes/changes in Spark.
> TestAssert, TestScalarAliases and TestEvalPipeline2 failures could be fixed by asserting on the message of the exception's root cause, looks like on Spark 2.2 the exception is wrapped into an additional layer.
> TestStore and TestStoreLocal failure are also a test related problems: looks like SPARK-7953 is fixed in Spark 2.2
> The root cause of TestStoreInstances is yet to be found out.



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