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From "Rob Vesse (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GIRAPH-798) Upgrade Giraph to Java7 and fix all dependencies
Date Mon, 02 Dec 2013 12:53:37 GMT

    [ https://issues.apache.org/jira/browse/GIRAPH-798?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13836478#comment-13836478
] 

Rob Vesse commented on GIRAPH-798:
----------------------------------

Also down-compiling to Java 1.6 by changing the {project.build.targetJdk} is not an option
because the code has changed (BspServiceWorker.java) to use a language construct not supported
in Java 1.6 (multi-catch statement):

{noformat}
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.0:compile
(default-compile) on project giraph-core: Compilation failure
[ERROR] /Users/rvesse/Documents/Work/Code/giraph/giraph-core/target/munged/main/org/apache/giraph/worker/BspServiceWorker.java:[1535,30]
multi-catch statement is not supported in -source 1.6
[ERROR] (use -source 7 or higher to enable multi-catch statement)
{noformat}

> Upgrade Giraph to Java7 and fix all dependencies
> ------------------------------------------------
>
>                 Key: GIRAPH-798
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-798
>             Project: Giraph
>          Issue Type: Improvement
>            Reporter: Avery Ching
>            Assignee: Avery Ching
>
> We need to upgrade to Java 7, Java 6 is no longer supported and Java 7 provides a lot
of great new features.
> Additionally, we have a mess of dependencies.
> Incompatible versions, unspecified dependencies, and duplicate classes.  We will add
checks for all of them.
> For now, full checks are provided for the profiles
> hadoop_0.20.203
> hadoop_1.0
> hadoop_facebook
> Also, the hcatalog module is not fully fixed and excluded from the checking.  We can
fix this in the future.



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