[CONTINUUM-1000] NullPointerException in maven 2 builder on build failure

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Duplicate
• Affects Version/s: 1.1-alpha-1
• Fix Version/s: 1.0.3
• Component/s: Integration - Maven 2
• Environment: JDK v1.4.2 on RHAS4, with maven 2.0.4.
• Assignee: Fabrizio Giustina
• Reporter: Graham Leggett
• Created: 08/Nov/06 14:49
• Updated: 08/Jan/07 09:03
• Resolved: 08/Jan/07 09:03

Description

When an attempt is made to build a maven 2 subproject, and that subproject is known to fail to build, the following build error is logged during the continuum build:

[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO] ------------------------------------------------------------------------
[INFO] null
[INFO] ------------------------------------------------------------------------
[INFO] Trace
java.lang.NullPointerException
at org.apache.maven.project.DefaultMavenProjectBuilder.assembleLineage(DefaultMavenProjectBuilder.java:1078)
at org.apache.maven.project.DefaultMavenProjectBuilder.buildInternal(DefaultMavenProjectBuilder.java:674)
at org.apache.maven.project.DefaultMavenProjectBuilder.buildFromSourceFileInternal(DefaultMavenProjectBuilder.java:416)
at org.apache.maven.project.DefaultMavenProjectBuilder.build(DefaultMavenProjectBuilder.java:192)
at org.apache.maven.DefaultMaven.getProject(DefaultMaven.java:515)
at org.apache.maven.DefaultMaven.collectProjects(DefaultMaven.java:447)
at org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:351)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:278)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:115)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:256)
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] ------------------------------------------------------------------------
[INFO] Total time: < 1 second
[INFO] Finished at: Wed Nov 08 14:43:16 SAST 2006
[INFO] Final Memory: 3M/239M
[INFO] ------------------------------------------------------------------------

It's not clear at this point whether this is a maven 2 bug, or a continuum bug.