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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10006) Compilation failure in trunk for o.a.h.fs.swift.util.JSONUtil
Date Sat, 28 Sep 2013 14:26:03 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10006?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13780859#comment-13780859
] 

Junping Du commented on HADOOP-10006:
-------------------------------------

Hi Steve, I am still using an old version Oracle/Sun JDK 1.6.0_22. Shall I turn to something
new like 1.7.0_15? 
Yes. I just verified that build on trunk works fine now on my env. Thanks for review and get
this patch in.
                
> Compilation failure in trunk for o.a.h.fs.swift.util.JSONUtil
> -------------------------------------------------------------
>
>                 Key: HADOOP-10006
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10006
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs, util
>            Reporter: Junping Du
>            Assignee: Junping Du
>            Priority: Blocker
>             Fix For: 3.0.0, 2.3.0
>
>         Attachments: HADOOP-10006.patch
>
>
> The error is like following:
> ...
> [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.5.1:compile
(default-compile) on project hadoop-openstack: Compilation failure: Compilation failure:
> [ERROR] /home/jdu/bdc/hadoop-trunk/hadoop-common/hadoop-tools/hadoop-openstack/src/main/java/org/apache/hadoop/fs/swift/util/JSONUtil.java:[97,33]
type parameters of <T>T cannot be determined; no unique maximal instance exists for
type variable T with upper bounds T,java.lang.Object
> [ERROR] /home/jdu/bdc/hadoop-trunk/hadoop-common/hadoop-tools/hadoop-openstack/src/main/java/org/apache/hadoop/fs/swift/util/JSONUtil.java:[115,33]
type parameters of <T>T cannot be determined; no unique maximal instance exists for
type variable T with upper bounds T,java.lang.Object

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