[jira] [Commented] (ARROW-6241) [Java] Failures on master

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

    [ https://issues.apache.org/jira/browse/ARROW-6241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16907664#comment-16907664 ] 

lidavidm commented on ARROW-6241:
---------------------------------

These two commits merged cleanly but break each other:

[https://github.com/apache/arrow/commit/6eae79000336788925fab1f1c011146e24c4838d] introduced use of Preconditions

[https://github.com/apache/arrow/commit/c45def63963f5f70903e58492e22718cc9de6ed1] removed the import (as the change there made it unused)


 

> [Java] Failures on master
> -------------------------
>
>                 Key: ARROW-6241
>                 URL: https://issues.apache.org/jira/browse/ARROW-6241
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: Java
>            Reporter: Wes McKinney
>            Priority: Blocker
>             Fix For: 0.15.0
>
>
> I'm getting builds failing today with errors like
> {code}
> [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.6.2:compile (default-compile) on project arrow-vector: Compilation failure: Compilation failure:
> [ERROR] /home/travis/build/apache/arrow/java/vector/src/main/java/org/apache/arrow/vector/complex/ListVector.java:[356,4] error: cannot find symbol
> [ERROR] symbol:   variable Preconditions
> [ERROR] location: class ListVector
> [ERROR] /home/travis/build/apache/arrow/java/vector/src/main/java/org/apache/arrow/vector/complex/NonNullableStructVector.java:[96,4] error: cannot find symbol
> [ERROR] symbol:   variable Preconditions
> [ERROR] location: class NonNullableStructVector
> [ERROR] -> [Help 1]
> {code}
> see https://travis-ci.org/apache/arrow/jobs/571958044
> Is this introduced by a recent patch?



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