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https://issues.apache.org/jira/browse/MNG-6647?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16826584#comment-16826584
]
Mark Derricutt commented on MNG-6647:
-------------------------------------
[~hboutemy] - checking out that branch and rebuilding, I still seem to get the
same failure in that one IT test - which can be seen via:
{{git clone g...@github.com:repaint-io/maven-tiles.git}}
{{cd maven-tiles}}
{{mvn clean install -Prun-its}}
On ModelMerger.java:1479 - sourceLocation is still null, and this seems to be
tripping up on the "default" reportSet which includes dependencies,
project-team, mailing-list etc. etc.
I wonder if it's not also an issue in our tiles plugin and how we copy/merge
models around maybe...
> NPE in DefaultReportingConverter
> --------------------------------
>
> Key: MNG-6647
> URL: https://issues.apache.org/jira/browse/MNG-6647
> Project: Maven
> Issue Type: Bug
> Reporter: Mark Derricutt
> Priority: Minor
>
> I discovered this NPE whilst running some integration tests for our
> tiles-maven-plugin:
>
> {noformat}[INFO] Scanning for projects...
> [INFO] --- tiles-maven-plugin: Injecting 1 tiles as intermediary parent
> artifacts for com.test:reporting-tiletest...
> [INFO] Mixed 'com.test:reporting-tiletest:0.1.0' with tile
> 'com.test:reporting-tiletest-tile:0.1.0' as its new parent.
> [INFO] Mixed 'com.test:reporting-tiletest-tile:0.1.0' with original parent
> '(no parent)' as its new top level parent.
> [INFO]
> [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:120)
> at org.apache.maven.cli.MavenCli.execute (MavenCli.java:956)
> at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
> at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
> 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
> at org.apache.maven.model.plugin.DefaultReportingConverter.convert
> (DefaultReportingConverter.java:243)
> at org.apache.maven.model.plugin.DefaultReportingConverter.convert
> (DefaultReportingConverter.java:213)
> at org.apache.maven.model.plugin.DefaultReportingConverter.convertReporting
> (DefaultReportingConverter.java:140)
> at org.apache.maven.model.building.DefaultModelBuilder.build
> (DefaultModelBuilder.java:479)
> at org.apache.maven.model.building.DefaultModelBuilder.build
> (DefaultModelBuilder.java:432)
> at org.apache.maven.model.building.ModelBuilder$build$0.call (Unknown Source)
> at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall
> (CallSiteArray.java:47)
> at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call
> (AbstractCallSite.java:116)
> at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call
> (AbstractCallSite.java:136)
> at io.repaint.maven.tiles.TilesMavenLifecycleParticipant.thunkModelBuilder
> (TilesMavenLifecycleParticipant.groovy:460)
> at io.repaint.maven.tiles.TilesMavenLifecycleParticipant.orchestrateMerge
> (TilesMavenLifecycleParticipant.groovy:362)
> at io.repaint.maven.tiles.TilesMavenLifecycleParticipant.afterProjectsRead
> (TilesMavenLifecycleParticipant.groovy:306)
> at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:264)
> at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
> at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
> at org.apache.maven.cli.MavenCli.execute (MavenCli.java:956)
> at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
> at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
> 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){noformat}
>
> This was triggered when running our sitereporting test (
> [https://github.com/repaint-io/maven-tiles/tree/master/src/it/sitereporting-tiletest]
> ) and doesn't trigger an NPE using Apache Maven 3.5.3, but does with the
> current SNAPSHOT of 3.6.2.
> The problem lies when Maven is building the model from
> [https://github.com/repaint-io/maven-tiles/blob/master/src/it/sitereporting-tiletest/tile-tile/tile.xml#L35]
> and can be fixed by applying the patch found at
> [https://www.dropbox.com/s/9gficrmlgxl2jd0/0001-Fix-NPE-thrown-from-DefaultReportingConverter.patch?dl=0]
> (for some reason I could not attach the patch to the ticket).
>
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