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https://issues.apache.org/jira/browse/HTRACE-7?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14236144#comment-14236144
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Colin Patrick McCabe commented on HTRACE-7:
-------------------------------------------
After this patch, the htrace-core jar file contains shaded versions of Guava
and Jetty:
{code}
jar tvf ./htrace-core-3.0.4.jar | less
0 Fri Dec 05 13:11:18 PST 2014 META-INF/
132 Fri Dec 05 13:11:18 PST 2014 META-INF/MANIFEST.MF
0 Fri Dec 05 13:11:18 PST 2014 org/
0 Fri Dec 05 13:11:18 PST 2014 org/htrace/
983 Fri Dec 05 13:11:18 PST 2014 org/htrace/TraceInfo.class
555 Fri Dec 05 13:11:18 PST 2014 org/htrace/Tracer$TracerHolder.class
...
2513 Fri Dec 05 13:11:18 PST 2014
org/apache/htrace/google/common/primitives/SignedBytes.class
4230 Fri Dec 05 13:11:18 PST 2014
org/apache/htrace/google/common/primitives/Longs$LongArrayAsList.class
1935 Fri Dec 05 13:11:18 PST 2014
org/apache/htrace/google/common/primitives/UnsignedLongs$LexicographicalComparator.class
239 Fri Dec 05 13:11:18 PST 2014
org/apache/htrace/google/common/primitives/package-info.class
...
4137 Fri Dec 05 13:11:20 PST 2014
org/apache/htrace/mortbay/thread/Timeout.class
3421 Fri Dec 05 13:11:20 PST 2014
org/apache/htrace/mortbay/thread/QueuedThreadPool$PoolThread.class
252 Fri Dec 05 13:11:20 PST 2014
org/apache/htrace/mortbay/thread/QueuedThreadPool$1.class
342 Fri Dec 05 13:11:20 PST 2014
org/apache/htrace/mortbay/thread/ThreadPool.class
7609 Fri Dec 05 13:11:20 PST 2014
org/apache/htrace/mortbay/thread/BoundedThreadPool.class
942 Fri Dec 05 13:11:20 PST 2014
org/apache/htrace/mortbay/thread/QueuedThreadPool$Lock.class
...
{code}
> htrace-core should shade its dependencies to avoid leaking them on to client
> CLASSPATH
> --------------------------------------------------------------------------------------
>
> Key: HTRACE-7
> URL: https://issues.apache.org/jira/browse/HTRACE-7
> Project: HTrace
> Issue Type: Bug
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Attachments: HTRACE-7.001.patch
>
>
> htrace-core should shade its dependencies to avoid leaking them on to client
> CLASSPATH. This is particularly a problem with Hadoop. We do not want our
> versions of Guava and Jetty to fight with Hadoop's versions (and different
> versions of Hadoop have different ones.) Luckily, this can be fixed very
> easily just by shading our dependencies.
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