Rich M created MNG-7759: --------------------------- Summary: java.lang.NullPointerException at org.apache.maven.repository.internal.DefaultModelCache.newInstance (DefaultModelCache.java:37) Key: MNG-7759 URL: https://issues.apache.org/jira/browse/MNG-7759 Project: Maven Issue Type: Bug Components: Core Affects Versions: 3.9.1 Reporter: Rich M
I am using grails-maven-plugin, and the execution fails with Maven version 3.9.1. It works perfectly fine with Maven version 3.8.8. [ERROR] Failed to execute goal org.grails:grails-maven-plugin:2.4.4:clean (default-clean) on project XX: Failed to create classpath for Grails execution.: NullPointerException -> [Help 1] org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.grails:grails-maven-plugin:2.4.4:clean (default-clean) on project XX: Failed to create classpath for Grails execution. at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2 (MojoExecutor.java:347) at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute (MojoExecutor.java:330) at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:213) at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:175) at org.apache.maven.lifecycle.internal.MojoExecutor.access$000 (MojoExecutor.java:76) at org.apache.maven.lifecycle.internal.MojoExecutor$1.run (MojoExecutor.java:163) at org.apache.maven.plugin.DefaultMojosExecutionStrategy.execute (DefaultMojosExecutionStrategy.java:39) at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:160) at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:105) at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:73) at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build (SingleThreadedBuilder.java:53) at org.apache.maven.lifecycle.internal.LifecycleStarter.execute (LifecycleStarter.java:118) at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:261) at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:173) at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:101) at org.apache.maven.cli.MavenCli.execute (MavenCli.java:827) at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:272) at org.apache.maven.cli.MavenCli.main (MavenCli.java:195) 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: org.apache.maven.plugin.MojoExecutionException: Failed to create classpath for Grails execution. at org.grails.maven.plugin.AbstractGrailsMojo.resolveBuildDependencies (AbstractGrailsMojo.java:585) at org.grails.maven.plugin.AbstractGrailsMojo.createExecutionContext (AbstractGrailsMojo.java:380) at org.grails.maven.plugin.AbstractGrailsMojo.runGrails (AbstractGrailsMojo.java:371) at org.grails.maven.plugin.AbstractGrailsMojo.runGrails (AbstractGrailsMojo.java:334) at org.grails.maven.plugin.GrailsCleanMojo.execute (GrailsCleanMojo.java:35) at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo (DefaultBuildPluginManager.java:126) at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2 (MojoExecutor.java:342) at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute (MojoExecutor.java:330) at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:213) at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:175) at org.apache.maven.lifecycle.internal.MojoExecutor.access$000 (MojoExecutor.java:76) at org.apache.maven.lifecycle.internal.MojoExecutor$1.run (MojoExecutor.java:163) at org.apache.maven.plugin.DefaultMojosExecutionStrategy.execute (DefaultMojosExecutionStrategy.java:39) at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:160) at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:105) at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:73) at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build (SingleThreadedBuilder.java:53) at org.apache.maven.lifecycle.internal.LifecycleStarter.execute (LifecycleStarter.java:118) at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:261) at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:173) at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:101) at org.apache.maven.cli.MavenCli.execute (MavenCli.java:827) at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:272) at org.apache.maven.cli.MavenCli.main (MavenCli.java:195) 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.repository.internal.DefaultModelCache.newInstance (DefaultModelCache.java:37) at org.apache.maven.repository.internal.DefaultModelCacheFactory.createCache (DefaultModelCacheFactory.java:35) at org.apache.maven.project.DefaultProjectBuilder.createModelCache (DefaultProjectBuilder.java:1005) at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:305) at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:295) at org.grails.maven.plugin.AbstractGrailsMojo.getPluginProject (AbstractGrailsMojo.java:821) at org.grails.maven.plugin.AbstractGrailsMojo.resolveBuildDependencies (AbstractGrailsMojo.java:558) at org.grails.maven.plugin.AbstractGrailsMojo.createExecutionContext (AbstractGrailsMojo.java:380) at org.grails.maven.plugin.AbstractGrailsMojo.runGrails (AbstractGrailsMojo.java:371) at org.grails.maven.plugin.AbstractGrailsMojo.runGrails (AbstractGrailsMojo.java:334) at org.grails.maven.plugin.GrailsCleanMojo.execute (GrailsCleanMojo.java:35) at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo (DefaultBuildPluginManager.java:126) at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2 (MojoExecutor.java:342) at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute (MojoExecutor.java:330) at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:213) at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:175) at org.apache.maven.lifecycle.internal.MojoExecutor.access$000 (MojoExecutor.java:76) at org.apache.maven.lifecycle.internal.MojoExecutor$1.run (MojoExecutor.java:163) at org.apache.maven.plugin.DefaultMojosExecutionStrategy.execute (DefaultMojosExecutionStrategy.java:39) at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:160) at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:105) at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:73) at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build (SingleThreadedBuilder.java:53) at org.apache.maven.lifecycle.internal.LifecycleStarter.execute (LifecycleStarter.java:118) at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:261) at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:173) at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:101) at org.apache.maven.cli.MavenCli.execute (MavenCli.java:827) at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:272) at org.apache.maven.cli.MavenCli.main (MavenCli.java:195) 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) [ERROR] -- This message was sent by Atlassian Jira (v8.20.10#820010)