[jira] [Created] (ARROW-1379) maven dependency issues - both unused and undeclared

["Antony Mayi (JIRA)" <ji...@apache.org>]

Antony Mayi created ARROW-1379:
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             Summary: maven dependency issues - both unused and undeclared
                 Key: ARROW-1379
                 URL: https://issues.apache.org/jira/browse/ARROW-1379
             Project: Apache Arrow
          Issue Type: Bug
          Components: Java - Memory, Java - Vectors
    Affects Versions: 0.6.0
            Reporter: Antony Mayi
             Fix For: 0.7.0


There is couple of dependency issues in the current maven config. This is then leaking into the integrating project which then needs to specify foreign dependencies just because arrow doesn't list them properly or is pulling unnecessary dependencies just because arrow lists them improperly.

Here is the current report for each of the arrow's modules:

{code:title=arrow-format}
[WARNING] Unused declared dependencies found:
[WARNING]    org.slf4j:slf4j-api:jar:1.7.25:compile
[WARNING]    com.vlkan:flatbuffers:jar:1.2.0-3f79e055:compile
[WARNING]    io.netty:netty-handler:jar:4.0.49.Final:compile
[WARNING]    com.google.guava:guava:jar:18.0:compile
{code}

{code:title=arrow-memory}
[WARNING] Used undeclared dependencies found:
[WARNING]    io.netty:netty-buffer:jar:4.0.49.Final:compile
[WARNING]    io.netty:netty-common:jar:4.0.49.Final:compile
[WARNING] Unused declared dependencies found:
[WARNING]    com.carrotsearch:hppc:jar:0.7.2:compile
[WARNING]    io.netty:netty-handler:jar:4.0.49.Final:compile
{code}

{code:title=arrow-tools}
[WARNING] Used undeclared dependencies found:
[WARNING]    com.fasterxml.jackson.core:jackson-databind:jar:2.7.9:compile
[WARNING]    com.fasterxml.jackson.core:jackson-core:jar:2.7.9:compile
[WARNING] Unused declared dependencies found:
[WARNING]    org.apache.commons:commons-lang3:jar:3.6:compile
[WARNING]    org.apache.arrow:arrow-format:jar:0.7.0-SNAPSHOT:compile
[WARNING]    io.netty:netty-handler:jar:4.0.49.Final:compile
{code}

{code:title=arrow-vector}
[WARNING] Used undeclared dependencies found:
[WARNING]    com.google.code.findbugs:jsr305:jar:3.0.2:compile
[WARNING]    com.vlkan:flatbuffers:jar:1.2.0-3f79e055:compile
[WARNING]    io.netty:netty-common:jar:4.0.49.Final:compile
[WARNING]    io.netty:netty-buffer:jar:4.0.49.Final:compile
[WARNING]    com.fasterxml.jackson.core:jackson-core:jar:2.7.9:compile
[WARNING] Unused declared dependencies found:
[WARNING]    org.apache.commons:commons-lang3:jar:3.6:compile
[WARNING]    io.netty:netty-handler:jar:4.0.49.Final:compile
{code}

I am proposing to add the maven-dependency-plugin to guard the dependency configuration always stays consistent.



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