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Date: Fri, 18 May 2012 20:31:07 +0000 (UTC)
From: "Eli Collins (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
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Subject: [jira] [Updated] (HADOOP-8329) Hadoop-Common build fails with Java
 7 on branch-1.0
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     [ https://issues.apache.org/jira/browse/HADOOP-8329?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eli Collins updated HADOOP-8329:
--------------------------------

    Attachment:     (was: hadoop-8329.txt)
    
> Hadoop-Common build fails with Java 7 on branch-1.0
> ---------------------------------------------------
>
>                 Key: HADOOP-8329
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8329
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: build
>    Affects Versions: 1.0.2, 1.0.3, 2.0.0
>            Reporter: Kumar Ravi
>            Assignee: Eli Collins
>         Attachments: hadoop-8329.txt
>
>
> I am seeing the following message running IBM Java 7 running branch-1.0 code.
> compile:
> [echo] contrib: gridmix
> [javac] Compiling 31 source files to /home/hadoop/branch-1.0_0427/build/contrib/gridmix/classes
> [javac] /home/hadoop/branch-1.0_0427/src/contrib/gridmix/src/java/org/apache/hadoop/mapred/gridmix/Gridmix.java:396: error: type argument ? extends T is not within bounds of type-variable E
> [javac] private <T> String getEnumValues(Enum<? extends T>[] e) {
> [javac] ^
> [javac] where T,E are type-variables:
> [javac] T extends Object declared in method <T>getEnumValues(Enum<? extends T>[])
> [javac] E extends Enum<E> declared in class Enum
> [javac] /home/hadoop/branch-1.0_0427/src/contrib/gridmix/src/java/org/apache/hadoop/mapred/gridmix/Gridmix.java:399: error: type argument ? extends T is not within bounds of type-variable E
> [javac] for (Enum<? extends T> v : e) {
> [javac] ^
> [javac] where T,E are type-variables:
> [javac] T extends Object declared in method <T>getEnumValues(Enum<? extends T>[])
> [javac] E extends Enum<E> declared in class Enum
> [javac] Note: Some input files use unchecked or unsafe operations.
> [javac] Note: Recompile with -Xlint:unchecked for details.
> [javac] 2 errors
> BUILD FAILED
> /home/hadoop/branch-1.0_0427/build.xml:703: The following error occurred while executing this line:
> /home/hadoop/branch-1.0_0427/src/contrib/build.xml:30: The following error occurred while executing this line:
> /home/hadoop/branch-1.0_0427/src/contrib/build-contrib.xml:185: Compile failed; see the compiler error output for details.

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