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https://issues.apache.org/jira/browse/MNG-6644?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16826359#comment-16826359
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Robert Thornton edited comment on MNG-6644 at 4/25/19 6:52 PM:
---------------------------------------------------------------
Although the fix for this issue might be the same as for MNG-6636, I don't
believe this issue is necessarily a duplicate because the Maven model, in my
case, is not being parsed from xml. Rather it is being created programmatically
using the polykot-maven extension for kotlin, so InputLocation will always be
null regardless of whether the list of reports is empty or not. For this
reason, the workaround does not work for me, so I have to stay on Maven 3.6.0.
But as long as the fix for MNG-6636 performs a null check of InputLocation, it
should solve this issue.
was (Author: rptmaestro):
Although the fix for this issue might be the same as for MNG-6636, I don't
believe this issue is necessarily a duplicate because the Maven model, in my
case, is not being parsed from xml. Rather it is being created programmatically
using the maven-polykot extension, so InputLocation will always be null
regardless of whether the list of reports is empty or not. For this reason, the
workaround does not work for me, so I have to stay on Maven 3.6.0. But as long
as the fix for MNG-6636 performs a null check of InputLocation, it should solve
this issue.
> NPE in DefaultReportingConverter when reports has no InputLocation
> ------------------------------------------------------------------
>
> Key: MNG-6644
> URL: https://issues.apache.org/jira/browse/MNG-6644
> Project: Maven
> Issue Type: Bug
> Affects Versions: 3.6.1
> Reporter: Robert Thornton
> Priority: Major
> Attachments: maven-3.6.1-reporting-bug.zip
>
>
> After upgrading from Maven 3.6.0 to Maven 3.6.1, the attached project fails
> with a NullPointerException. This project uses the extension
> `io.takari.polyglot:polyglot-kotlin` in order to build the Maven project
> model using a Kotlin script.
> {code:java}
> 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 jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
> (NativeMethodAccessorImpl.java:62)
> at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
> (DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke (Method.java:566)
> 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)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
> (NativeMethodAccessorImpl.java:62)
> at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
> (DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke (Method.java:566)
> at org.apache.maven.wrapper.BootstrapMainStarter.start
> (BootstrapMainStarter.java:39)
> at org.apache.maven.wrapper.WrapperExecutor.execute (WrapperExecutor.java:122)
> at org.apache.maven.wrapper.MavenWrapperMain.main (MavenWrapperMain.java:55)
> 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.project.DefaultProjectBuilder.build
> (DefaultProjectBuilder.java:616)
> at org.apache.maven.project.DefaultProjectBuilder.build
> (DefaultProjectBuilder.java:385)
> at org.apache.maven.graph.DefaultGraphBuilder.collectProjects
> (DefaultGraphBuilder.java:414)
> at org.apache.maven.graph.DefaultGraphBuilder.getProjectsForMavenReactor
> (DefaultGraphBuilder.java:405)
> at org.apache.maven.graph.DefaultGraphBuilder.build
> (DefaultGraphBuilder.java:82)
> at org.apache.maven.DefaultMaven.buildGraph (DefaultMaven.java:507)
> at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:219)
> 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 jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
> (NativeMethodAccessorImpl.java:62)
> at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
> (DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke (Method.java:566)
> 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)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
> (NativeMethodAccessorImpl.java:62)
> at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
> (DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke (Method.java:566)
> at org.apache.maven.wrapper.BootstrapMainStarter.start
> (BootstrapMainStarter.java:39)
> at org.apache.maven.wrapper.WrapperExecutor.execute (WrapperExecutor.java:122)
> at org.apache.maven.wrapper.MavenWrapperMain.main (MavenWrapperMain.java:55)
> {code}
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