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From "Rohini Palaniswamy (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PIG-5318) Unit test failures on Pig on Spark with Spark 2.2
Date Mon, 04 Dec 2017 17:27:00 GMT

    [ https://issues.apache.org/jira/browse/PIG-5318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16277122#comment-16277122

Rohini Palaniswamy commented on PIG-5318:

bq. it looks like the way I wanted to tell Spark version doesn't work on Spark 1.x
  Missed this earlier. If the spark-version-info.properties file is not there, you could just
return false for isSpark2_2_plus which will be easier.

> 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, PIG-5318_2.patch, PIG-5318_3.patch, PIG-5318_4.patch
> There are several 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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