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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (HADOOP-8329) Build fails with Java 7
Date Thu, 11 Oct 2012 17:46:27 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-8329?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arun C Murthy closed HADOOP-8329.
---------------------------------

    
> Build fails with Java 7
> -----------------------
>
>                 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-alpha
>            Reporter: Kumar Ravi
>            Assignee: Eli Collins
>             Fix For: 1.1.0, 2.0.2-alpha
>
>         Attachments: hadoop-8329-b1.txt, 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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