NPE stemming from DefaultModelBuilder.containsCoordinates
---------------------------------------------------------
Key: MNG-5157
URL: https://jira.codehaus.org/browse/MNG-5157
Project: Maven 2 & 3
Issue Type: Bug
Affects Versions: 3.0.3
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"
Reporter: Andrew Lee Rubinger
[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.
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