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Hervé Boutemy commented on MNG-6647: ------------------------------------ I really fixed the issue in MNG-6636 branch: can you check, please? > 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). > -- This message was sent by Atlassian JIRA (v7.6.3#76005)