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From: "Ashutosh Chauhan (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
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Subject: [jira] [Updated] (HIVE-6530) JDK 7 trunk build fails after
 HIVE-6418 patch
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     [ https://issues.apache.org/jira/browse/HIVE-6530?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ashutosh Chauhan updated HIVE-6530:
-----------------------------------

    Fix Version/s: 0.13.0

> JDK 7 trunk build fails after HIVE-6418 patch
> ---------------------------------------------
>
>                 Key: HIVE-6530
>                 URL: https://issues.apache.org/jira/browse/HIVE-6530
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.13.0
>            Reporter: Prasad Mujumdar
>            Assignee: Navis
>            Priority: Blocker
>             Fix For: 0.13.0
>
>         Attachments: HIVE-6530.1.patch.txt, HIVE-6530.2.patch.txt
>
>
> JDK7 build fails with following error 
> {noformat}
> [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project hive-exec: Compilation failure
> [ERROR] /home/prasadm/repos/apache/hive-trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/persistence/LazyFlatRowContainer.java:[118,15] name clash: add(java.util.List<java.lang.Object>) in org.apache.hadoop.hive.ql.exec.persistence.LazyFlatRowContainer overrides a method whose erasure is the same as another method, yet neither overrides the other
> [ERROR] first method:  add(E) in java.util.AbstractCollection
> [ERROR] second method: add(ROW) in org.apache.hadoop.hive.ql.exec.persistence.AbstractRowContainer
> [ERROR] -> [Help 1]
> [ERROR] 
> [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
> [ERROR] Re-run Maven using the -X switch to enable full debug logging.
> [ERROR] 
> [ERROR] For more information about the errors and possible solutions, please read the following articles:
> [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
> [ERROR] 
> [ERROR] After correcting the problems, you can resume the build with the command
> [ERROR]   mvn <goals> -rf :hive-exec
> {noformat}
> This LazyFlatRowContainer.java is  a new file added as part of  HIVE-6418 patch. It's extending AbstractCollection and implements AbstractRowContainer. Looks like the both these have a add() method that's conflicting.



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