The maven-surefire-plugin fails with an NPE.
--------------------------------------------
Key: SUREFIRE-360
URL: http://jira.codehaus.org/browse/SUREFIRE-360
Project: Maven Surefire
Issue Type: Bug
Components: TestNG support
Affects Versions: 2.3, 2.4
Environment: Maven 2.0.7
Reporter: Tibor Varga
Attachments: project.tgz, SurefirePlugin.diff
When TestNG is a transitive dependency, the maven-surefire-plugin fails with an
NPE when trying to determine the TestNG version:
[INFO] [compiler:testCompile]
[INFO] Compiling 1 source file to
/Users/tibvarga/work/project/child/target/test-classes
[INFO] [surefire:test]
[INFO] ------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO] ------------------------------------------------------------------------
[INFO] null
[INFO] ------------------------------------------------------------------------
[INFO] Trace
java.lang.NullPointerException
at
org.apache.maven.artifact.DefaultArtifact.getSelectedVersion(DefaultArtifact.java:582)
at
org.apache.maven.plugin.surefire.SurefirePlugin.constructSurefireBooter(SurefirePlugin.java:490)
at
org.apache.maven.plugin.surefire.SurefirePlugin.execute(SurefirePlugin.java:391)
at
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:443)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:539)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:480)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:459)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:311)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:278)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:143)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:334)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:125)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:280)
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)
[INFO] ------------------------------------------------------------------------
Attached are a simple project to demonstrate the issue and a patch that
resolves it in this specific case.
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