[jira] [Created] (MWRAPPER-144) Warnings should be printed to stderr not stdout

[Jakub Bochenski (Jira)]

Jakub Bochenski created MWRAPPER-144:
----------------------------------------

             Summary: Warnings should be printed to stderr not stdout
                 Key: MWRAPPER-144
                 URL: https://issues.apache.org/jira/browse/MWRAPPER-144
             Project: Maven Wrapper
          Issue Type: Bug
            Reporter: Jakub Bochenski


E.g. this one
```
Warning: JAVA_HOME environment variable is not set.
```

This prevents one from using wrapper in scripts:
```
$ repo=$(./mvnw help:evaluate -Dexpression=settings.localRepository -q 
-DforceStdout)
$ echo $repo
Warning: JAVA_HOME environment variable is not set. /home/jakub/.m2/repository
```

Vs calling maven directly
```
$ repo=$(mvn help:evaluate -Dexpression=settings.localRepository -q 
-DforceStdout)
$ echo $repo
/home/jakub/.m2/repository
```





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