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https://issues.apache.org/jira/browse/HBASE-13583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16505570#comment-16505570
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Sean Busbey commented on HBASE-13583:
-------------------------------------

that's a problem with the version of [ASM|http://asm.ow2.io/] that must be on 
the classpath during the maven invocation. It looks like the [Opcodes 
class|http://asm.ow2.io/javadoc/org/objectweb/asm/Opcodes.html] in your 
classpath is limited to JDK6 and earlier, but JRuby is expecting 1.7+.

Try adding it as a dependency to the jruby-maven-plugin plugin declaration.

> AOT compile our JRuby
> ---------------------
>
>                 Key: HBASE-13583
>                 URL: https://issues.apache.org/jira/browse/HBASE-13583
>             Project: HBase
>          Issue Type: Improvement
>          Components: build, scripts, shell
>            Reporter: Nick Dimiduk
>            Assignee: Mike Drob
>            Priority: Major
>         Attachments: HBASE-13583.patch
>
>
> Our Jruby code seems to not keep up well with Java changes. We should 
> investigate adding a compilation step for our shell and the rb scripts in bin 
> to ensure they're calling methods that exist on classes that exist. This 
> looks like as good a starting point as any: 
> https://github.com/jruby/jruby/wiki/GeneratingJavaClasses



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