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From "Steve Loughran (Jira)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-16621) [pb-upgrade] spark-hive doesn't compile against hadoop trunk because of Token's marshalling
Date Tue, 01 Oct 2019 12:29:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-16621?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16941778#comment-16941778
] 

Steve Loughran commented on HADOOP-16621:
-----------------------------------------

{code}
[INFO] Not compiling main sources
[INFO] 
[INFO] --- scala-maven-plugin:4.2.0:compile (scala-compile-first) @ spark-hive_2.12 ---
[INFO] Using incremental compilation using Mixed compile order
[INFO] Compiling 28 Scala sources and 2 Java sources to /Users/stevel/Projects/sparkwork/spark/sql/hive/target/scala-2.12/classes
...
[ERROR] [Error] /Users/stevel/Projects/sparkwork/spark/sql/hive/src/main/scala/org/apache/spark/sql/hive/security/HiveDelegationTokenProvider.scala:105:
Class com.google.protobuf.GeneratedMessageV3 not found - continuing with a stub.
[ERROR] one error found
{code}

> [pb-upgrade] spark-hive doesn't compile against hadoop trunk because of Token's marshalling
> -------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-16621
>                 URL: https://issues.apache.org/jira/browse/HADOOP-16621
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: common
>    Affects Versions: 3.3.0
>            Reporter: Steve Loughran
>            Priority: Major
>
> the move to protobuf 3.x stops spark building because Token has a method which returns
a protobuf, and now its returning some v3 types.
> if we want to isolate downstream code from protobuf changes, we need to move that marshalling
method from token and put in a helper class.



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