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https://issues.apache.org/jira/browse/OPENJPA-2410?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13728592#comment-13728592
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Rick Curtis commented on OPENJPA-2410:
--------------------------------------
I'll note that when running on maven 3.x or newer you'll get the following
failure :
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 4.673s
[INFO] Finished at: Sat Aug 03 12:00:11 CDT 2013
[INFO] Final Memory: 30M/60M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-checkstyle-plugin:2.4:checkstyle (default) on
project openjpa-lib: Execution default of goal org.apache.maven.plugins:mav
en-checkstyle-plugin:2.4:checkstyle failed. NullPointerException -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e
switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please
read the following articles:
[ERROR] [Help 1]
http://cwiki.apache.org/confluence/display/MAVEN/PluginExecutionException
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR] mvn <goals> -rf :openjpa-lib
> Build time detection of System.out/err.print(ln) in source files
> ----------------------------------------------------------------
>
> Key: OPENJPA-2410
> URL: https://issues.apache.org/jira/browse/OPENJPA-2410
> Project: OpenJPA
> Issue Type: Improvement
> Components: build / infrastructure
> Affects Versions: 2.3.0
> Reporter: Di Wu Lau
> Assignee: Rick Curtis
> Priority: Minor
> Fix For: 1.2.4, 2.3.0, 2.2.3
>
> Attachments: OPENJPA-2410.patch, OPENJPA-2410r1.patch,
> OPENJPA-2410r2.patch
>
>
> Source files may have inadvertent System.out/err.print statements left in
> source files on commit. Ideally we don't want any of these changes being
> checked in and a large majority of the time logging facilities should be
> utilized. That being said, there are a number of cases where we don't have
> access to a logger and must use System.out/err.
> This JIRA will be used to update our checkstyle to scan for unwanted print
> statements, and fail the build when/if they are encountered.
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