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https://issues.apache.org/jira/browse/HADOOP-9424?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15414536#comment-15414536
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Hadoop QA commented on HADOOP-9424:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 5s{color}
| {color:red} HADOOP-9424 does not apply to trunk. Rebase required? Wrong
Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12574763/HADOOP-9424.patch |
| JIRA Issue | HADOOP-9424 |
| Console output |
https://builds.apache.org/job/PreCommit-HADOOP-Build/10215/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT http://yetus.apache.org |
This message was automatically generated.
> The "hadoop jar" invocation should include the passed jar on the classpath as
> a whole
> -------------------------------------------------------------------------------------
>
> Key: HADOOP-9424
> URL: https://issues.apache.org/jira/browse/HADOOP-9424
> Project: Hadoop Common
> Issue Type: Bug
> Components: util
> Affects Versions: 2.0.3-alpha
> Reporter: Harsh J
> Assignee: Harsh J
> Priority: Minor
> Labels: BB2015-05-TBR
> Attachments: HADOOP-9424.patch
>
>
> When you have a case such as this:
> {{X.jar -> Classes = Main, Foo}}
> {{Y.jar -> Classes = Bar}}
> With implementation details such as:
> * Main references Bar and invokes a public, static method on it.
> * Bar does a class lookup to find Foo (Class.forName("Foo")).
> Then when you do a {{HADOOP_CLASSPATH=Y.jar hadoop jar X.jar Main}}, the
> Bar's method fails with a ClassNotFound exception cause of the way RunJar
> runs.
> RunJar extracts the passed jar and includes its contents on the ClassLoader
> of its current thread but the {{Class.forName(…)}} call from another class
> does not check that class loader and hence cannot find the class as its not
> on any classpath it is aware of.
> The script of "hadoop jar" should ideally include the passed jar argument to
> the CLASSPATH before RunJar is invoked, for this above case to pass.
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