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https://issues.apache.org/jira/browse/DRILL-6282?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16450257#comment-16450257
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ASF GitHub Bot commented on DRILL-6282:
---------------------------------------
Github user vdiravka commented on the issue:
https://github.com/apache/drill/pull/1189
@vrozov I have replaced `com.codahale.metrics` with last
`io.dropwizard.metrics`.
Please review.
> Excluding io.dropwizard.metrics dependencies
> --------------------------------------------
>
> Key: DRILL-6282
> URL: https://issues.apache.org/jira/browse/DRILL-6282
> Project: Apache Drill
> Issue Type: Bug
> Components: Tools, Build & Test
> Affects Versions: 1.13.0
> Reporter: Vitalii Diravka
> Assignee: Vitalii Diravka
> Priority: Major
> Fix For: 1.14.0
>
>
> There are three types of metrics-core in Drill:
> 1. _com.yammer.metrics_,
> 2. _com.codahale.metrics_,
> 3. _io.dropwizard.metrics_
> Drill uses only 1 and 2. The last 3 one is used by Hive.
> 1st one has different class full identifiers, but the 2 and 3 ones have the
> same class full identifiers and maven doesn't know which library to use
> ([https://github.com/dropwizard/metrics/issues/1044]).
> But I found that 3 one library is used by Hive only for tests, therefore it
> is not required for Drill and could be excluded from hive-metastore and
> hive-exec.
> The dependencies conflict is related not only to metrics-core, but to
> metrics-servlets and metrics-json as well.
> All these metrics should be organized with proper excluding and dependency
> management blocks.
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