Vitalii Diravka created DRILL-6282:
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Summary: Excluding io.dropwizard.metrics dependencies
Key: DRILL-6282
URL: https://issues.apache.org/jira/browse/DRILL-6282
Project: Apache Drill
Issue Type: Improvement
Components: Tools, Build & Test
Affects Versions: 1.13.0
Reporter: Vitalii Diravka
Assignee: Vitalii Diravka
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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