Damien created MPH-143:
--------------------------
Summary: The maven-help-plugin generates null pointer for
multi-module project
Key: MPH-143
URL: https://issues.apache.org/jira/browse/MPH-143
Project: Maven Help Plugin
Issue Type: Bug
Components: effective-pom
Affects Versions: 3.0.0
Environment: windows and linux with maven 3.2.5
Reporter: Damien
The maven-help-plugin in version 3.0.0 generates a null pointer exception for
multi-module projects when the parameter "output" is set.
The following command failed
{{mvn help:effective-pom -Doutput=myoutput.xml}}
with the error
{{[INFO] BUILD FAILURE}}
{{[INFO]
------------------------------------------------------------------------}}
{{[INFO] Total time: 2.187 s}}
{{[INFO] Finished at: 2018-03-20T14:52:19+01:00}}
{{[INFO] Final Memory: 24M/403M}}
{{[INFO]
------------------------------------------------------------------------}}
{{[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-help-plugin:3.0.0:effective-pom (default-cli) on
project OFRPDVC001: Execution default-cli of goal
org.apache.maven.plugins:maven-help-plugin:3.0.0:effective-pom 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|https://www.google.com/url?q=http://cwiki.apache.org/confluence/display/MAVEN/PluginExecutionException&sa=D&source=hangouts&ust=1521640353977000&usg=AFQjCNFFrjILs-lEz58QZue8xxeHq7gScQ]}}
It doesn't happen with the previous versions, the following command helps to
prove it :
{{mvn org.apache.maven.plugins:maven-help-plugin:2.2:effective-pom
-Doutput=myoutput.xml}}
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