I've created a pom that references multiple projects using the <module>
tag. This works great, even catching the order when one of the subprojects
depends on another subproject.
However, if a subproject uses the result of another project as a plugin, I
get a fatal error. Anybody experienced this?
[INFO] Scanning for projects...
[INFO]
----------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO]
----------------------------------------------------------------------------
[INFO] null
[INFO]
----------------------------------------------------------------------------
[INFO] Trace
java.lang.NullPointerException
at
org.apache.maven.project.ProjectSorter.addEdgeWithParentCheck(ProjectSorter.java:1
72)
at
org.apache.maven.project.ProjectSorter.<init>(ProjectSorter.java:123)
at
org.apache.maven.execution.ReactorManager.<init>(ReactorManager.java:54)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:286)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:113)
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:324)
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]
----------------------------------------------------------------------------
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