[MNG-5157] NPE stemming from DefaultModelBuilder.containsCoordinates

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.3
• Fix Version/s: 3.0.4

Environment

$ mvn -version
Apache Maven 3.0.3 (r1075438; 2011-02-28 12:31:09-0500)
Maven home: /opt/apache/maven/apache-maven-3.0.3
Java version: 1.6.0_26, vendor: Sun Microsystems Inc.
Java home: /opt/oracle/java/jdk1.6.0_26/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "2.6.38-10-generic", arch: "amd64", family: "unix"

• Assignee: Benjamin Bentmann
• Reporter: Andrew Lee Rubinger
• Created: 17/Aug/11 04:51
• Updated: 17/Aug/11 06:07
• Resolved: 17/Aug/11 06:03

Description

[ERROR] Internal error: java.lang.NullPointerException -> [Help 1]
org.apache.maven.InternalErrorException: Internal error: java.lang.NullPointerException
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:168)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
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:597)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
Caused by: java.lang.NullPointerException
at java.lang.String.contains(String.java:2103)
at org.apache.maven.model.building.DefaultModelBuilder.containsCoordinates(DefaultModelBuilder.java:1047)
at org.apache.maven.model.building.DefaultModelBuilder.importDependencyManagement(DefaultModelBuilder.java:948)
at org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:403)
at org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:374)
at org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:536)
at org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:542)
at org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:328)
at org.apache.maven.DefaultMaven.collectProjects(DefaultMaven.java:632)
at org.apache.maven.DefaultMaven.getProjectsForMavenReactor(DefaultMaven.java:581)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:233)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
... 11 more

I was able to come across this by declaring in a parent POM a dependencyManagement/dependency entry, then in a child POM putting the same dependencyManagement/dependency entry in place, this time w/ "import" scope.