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From "Tim Smith (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MJAVADOC-435) _JAVA_OPTIONS interferes with javadoc version detection
Date Sat, 03 Oct 2015 23:37:27 GMT
Tim Smith created MJAVADOC-435:
----------------------------------

             Summary: _JAVA_OPTIONS interferes with javadoc version detection
                 Key: MJAVADOC-435
                 URL: https://issues.apache.org/jira/browse/MJAVADOC-435
             Project: Maven Javadoc Plugin
          Issue Type: Bug
            Reporter: Tim Smith


Per MESOS-3482, `java` can print extra output to stderr on at launch if the `_JAVA_OPTIONS`
environment variable is set, like this:

```
tim@rocketman:temp$ _JAVA_OPTIONS=-Duser.home=/tmp java -version
Picked up _JAVA_OPTIONS: -Duser.home=/tmp
java version "1.8.0_45"
Java(TM) SE Runtime Environment (build 1.8.0_45-b14)
Java HotSpot(TM) 64-Bit Server VM (build 25.45-b02, mixed mode)
```

This plugin attempts to parse stderr to learn the javadoc version and does not expect the
additional output.

The failure looks like:
```
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 02:48 min
[INFO] Finished at: 2015-09-21T15:24:14+01:00
[INFO] Final Memory: 29M/242M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-javadoc-plugin:2.8.1:jar (build-and-attach-javadocs)
on project mesos: MavenReportException: Error while creating archive:
[ERROR] Exit code: 1 - Picked up _JAVA_OPTIONS: -Duser.home=/private/tmp/mesos20150921-21602-19h9jrr/mesos-0.24.0/.brew_home
[ERROR] javadoc: error - No packages or classes specified.
[ERROR]
[ERROR] Command line was: /Library/Java/JavaVirtualMachines/jdk1.8.0_60.jdk/Contents/Home/bin/javadoc
@options
```

I think this should work even in the presence of _JAVA_OPTIONS.

Homebrew is considering setting this variable widely (tracking at https://github.com/Homebrew/homebrew/pull/44567)
which would cause build problems for maven projects that use this plugin.



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