Checkstyle report generation problem
------------------------------------
Key: MPCHECKSTYLE-47
URL: http://jira.codehaus.org/browse/MPCHECKSTYLE-47
Project: maven-checkstyle-plugin
Type: Bug
Versions: 2.0
Environment: Windows XP, JDK 5.0 update4, Maven 2.0.1
Reporter: YueNi
I use maven checkstyle plugin(2.0-beta-1) to generate a checkstyle report. I
configed it in the pom.xml and enter "mvn site:site" to generate the report.
But I got a NullPointerExcetpion just like the error described in
http://pastebin.ca/30802.
The stack trace is:
[INFO] Generate "Checkstyle" report.
[INFO]
----------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO]
----------------------------------------------------------------------------
---------------------------------------------------
constituent[0]: file:/D:/maven2/bin/../lib/maven-core-2.0.jar
constituent[1]:
file:/D:/maven2/bin/../lib/maven-plugin-parameter-documenter-2.0.jar
constituent[2]: file:/D:/maven2/bin/../lib/maven-model-2.0.jar
constituent[3]: file:/D:/maven2/bin/../lib/maven-profile-2.0.jar
constituent[4]: file:/D:/maven2/bin/../lib/maven-project-2.0-1.jar
constituent[5]: file:/D:/maven2/bin/../lib/maven-error-diagnostics-2.0.jar
constituent[6]:
file:/D:/maven2/bin/../lib/plexus-interactivity-api-1.0-alpha-4.jar
constituent[7]:
file:/D:/maven2/bin/../lib/wagon-http-lightweight-1.0-alpha-5.jarjava.lang.NullPointerException
at
org.apache.maven.usability.diagnostics.DiagnosisUtils.appendRootCauseIfPresentAndUnique(DiagnosisUtils.java:89)
at
org.apache.maven.usability.diagnostics.ErrorDiagnostics$PuntErrorDiagnoser.diagnose(ErrorDiagnostics.java:132)
at
org.apache.maven.usability.diagnostics.ErrorDiagnostics.diagnose(ErrorDiagnostics.java:104)
at org.apache.maven.DefaultMaven.logDiagnostics(DefaultMaven.java:693)
at org.apache.maven.DefaultMaven.logFatal(DefaultMaven.java:627)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:143)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:249)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
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