We have 2 projects A and B with parent ParentA and ParentB
Both use CI friendly §{revision]
A has a dependency to B
For our IDE we have a artifical pom.xml that references ParentA and ParentB
mvn install fails with error:
[ERROR] Internal error: java.lang.NullPointerException: Cannot invoke method hashCode() on null object -> [Help 1]
org.apache.maven.InternalErrorException: Internal error: java.lang.NullPointerException: Cannot invoke method hashCode() on null object
at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:120)
at org.apache.maven.cli.MavenCli.execute (MavenCli.java:972)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:293)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:196)
at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:498)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)
at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)
Caused by: java.lang.NullPointerException: Cannot invoke method hashCode() on null object
at org.codehaus.groovy.runtime.NullObject.hashCode (NullObject.java:174)
at org.codehaus.groovy.runtime.NullObject$hashCode.call (Unknown Source)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall (CallSiteArray.java:47)
at org.codehaus.groovy.runtime.callsite.NullCallSite.call (NullCallSite.java:34)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall (CallSiteArray.java:47)
at java_lang_String$hashCode.call (Unknown Source)
at io.repaint.maven.tiles.NotDefaultModelCache$Key. (NotDefaultModelCache.groovy:54)
at io.repaint.maven.tiles.NotDefaultModelCache.get (NotDefaultModelCache.groovy:29)
at org.apache.maven.model.building.DefaultModelBuilder.getCache (DefaultModelBuilder.java:1363)
at org.apache.maven.model.building.DefaultModelBuilder.readParent (DefaultModelBuilder.java:852)
at org.apache.maven.model.building.DefaultModelBuilder.build (DefaultModelBuilder.java:344)
at org.apache.maven.model.building.DefaultModelBuilder.build (DefaultModelBuilder.java:252)
at org.apache.maven.model.building.ModelBuilder$build.call (Unknown Source)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall (CallSiteArray.java:47)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call (AbstractCallSite.java:125)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call (AbstractCallSite.java:139)
at io.repaint.maven.tiles.TilesMavenLifecycleParticipant.thunkModelBuilder
...
see maven-tiles\src\it\civersion-tiletest-workspace-pom\readme.md
We have 2 projects A and B with parent ParentA and ParentB Both use CI friendly §{revision] A has a dependency to B For our IDE we have a artifical pom.xml that references ParentA and ParentB
mvn install fails with error: [ERROR] Internal error: java.lang.NullPointerException: Cannot invoke method hashCode() on null object -> [Help 1] org.apache.maven.InternalErrorException: Internal error: java.lang.NullPointerException: Cannot invoke method hashCode() on null object at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:120) at org.apache.maven.cli.MavenCli.execute (MavenCli.java:972) at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:293) at org.apache.maven.cli.MavenCli.main (MavenCli.java:196) at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke (Method.java:498) at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282) at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225) at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406) at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347) Caused by: java.lang.NullPointerException: Cannot invoke method hashCode() on null object at org.codehaus.groovy.runtime.NullObject.hashCode (NullObject.java:174) at org.codehaus.groovy.runtime.NullObject$hashCode.call (Unknown Source) at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall (CallSiteArray.java:47) at org.codehaus.groovy.runtime.callsite.NullCallSite.call (NullCallSite.java:34) at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall (CallSiteArray.java:47) at java_lang_String$hashCode.call (Unknown Source) at io.repaint.maven.tiles.NotDefaultModelCache$Key. (NotDefaultModelCache.groovy:54) at io.repaint.maven.tiles.NotDefaultModelCache.get (NotDefaultModelCache.groovy:29) at org.apache.maven.model.building.DefaultModelBuilder.getCache (DefaultModelBuilder.java:1363) at org.apache.maven.model.building.DefaultModelBuilder.readParent (DefaultModelBuilder.java:852) at org.apache.maven.model.building.DefaultModelBuilder.build (DefaultModelBuilder.java:344) at org.apache.maven.model.building.DefaultModelBuilder.build (DefaultModelBuilder.java:252) at org.apache.maven.model.building.ModelBuilder$build.call (Unknown Source) at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall (CallSiteArray.java:47) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call (AbstractCallSite.java:125) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call (AbstractCallSite.java:139) at io.repaint.maven.tiles.TilesMavenLifecycleParticipant.thunkModelBuilder ...
see maven-tiles\src\it\civersion-tiletest-workspace-pom\readme.md