[mojo-dev] [jira] (MVERSIONS-205) Regression: NPE in 'display-plugin-updates' goal when bound to 'verify' phase

[Sergei Ivanov (JIRA)]

Sergei Ivanov created MVERSIONS-205 Regression: NPE in 'display-plugin-updates' goal when bound to 'verify' phase Issue Type: Bug Affects Versions: 2.0 Assignee: Unassigned Created: 27/Dec/12 5:41 AM Description: We have the following execution defined in our parent POM, so that Maven runs the versions plugin just before the 'install' phase: <plugin> <inherited>true</inherited> <groupId>org.codehaus.mojo</groupId> <artifactId>versions-maven-plugin</artifactId> <executions> <execution> <phase>verify</phase> <goals> <goal>display-dependency-updates</goal> <goal>display-plugin-updates</goal> <goal>display-property-updates</goal> </goals> </execution> </executions> </plugin> After upgrading the plugin from version 1.3.1 to 2.0, it started failing with the following output (verbose mode): [INFO] --- versions-maven-plugin:2.0:display-plugin-updates (default) @ our-root-pom --- [DEBUG] Configuring mojo org.codehaus.mojo:versions-maven-plugin:2.0:display-plugin-updates from plugin realm ClassRealm[plugin>org.codehaus.mojo:versions-maven-plugin:2.0, parent: sun.misc.Launcher$AppClassLoader@11b86e7] [DEBUG] Configuring mojo 'org.codehaus.mojo:versions-maven-plugin:2.0:display-plugin-updates' with basic configurator --> [DEBUG] (f) allowSnapshots = false [DEBUG] (f) localRepository = id: local url: <...> layout: none [DEBUG] (s) project = MavenProject: com.rbs.fxalgo:our-root-pom:1.0.42-SNAPSHOT @ <...> [DEBUG] (f) reactorProjects = [MavenProject: com.rbs.fxalgo:our-root-pom:1.0.42-SNAPSHOT @ <...>] [DEBUG] (f) remoteArtifactRepositories = [<...>] [DEBUG] (f) remotePluginRepositories = [<...>] [DEBUG] (f) serverId = <...> [DEBUG] (f) session = org.apache.maven.execution.MavenSession@486cdd [DEBUG] (f) settings = org.apache.maven.execution.SettingsAdapter@be6108 [DEBUG] -- end configuration -- [DEBUG] Using Maven 3.x strategy to determine superpom defined plugins [DEBUG] Looking up lifecyle mappings for packaging pom from ClassRealm[plugin>org.codehaus.mojo:versions-maven-plugin:2.0, parent: sun.misc.Launcher$AppClassLoader@11b86e7] [DEBUG] superPom plugins = {org.apache.maven.plugins:maven-clean-plugin=2.4.1, org.apache.maven.plugins:maven-install-plugin=2.3.1, org.apache.maven.plugins:maven-deploy-plugin=2.7, org.apache.maven.plugins:maven-site-plugin=3.0, org.apache.maven.plugins:maven-antrun-plugin=1.3, org.apache.maven.plugins:maven-assembly-plugin=2.2-beta-5, org.apache.maven.plugins:maven-dependency-plugin=2.1, org.apache.maven.plugins:maven-release-plugin=2.0, org.apache.maven.plugins:maven-source-plugin=null, org.apache.maven.plugins:maven-javadoc-plugin=null} [DEBUG] Building list of project plugins... [DEBUG] Original model: <...> [DEBUG] super-pom version map org.apache.maven.plugins:maven-clean-plugin:2.4.1 org.apache.maven.plugins:maven-install-plugin:2.3.1 org.apache.maven.plugins:maven-deploy-plugin:2.7 org.apache.maven.plugins:maven-site-plugin:3.0 org.apache.maven.plugins:maven-antrun-plugin:1.3 org.apache.maven.plugins:maven-assembly-plugin:2.2-beta-5 org.apache.maven.plugins:maven-dependency-plugin:2.1 org.apache.maven.plugins:maven-release-plugin:2.0 org.apache.maven.plugins:maven-source-plugin:null org.apache.maven.plugins:maven-javadoc-plugin:null [DEBUG] parent version map [DEBUG] aggregate version map org.apache.maven.plugins:maven-clean-plugin:2.4.1 org.apache.maven.plugins:maven-antrun-plugin:1.3 org.apache.maven.plugins:maven-dependency-plugin:2.1 org.apache.maven.plugins:maven-javadoc-plugin:null org.apache.maven.plugins:maven-assembly-plugin:2.2-beta-5 org.apache.maven.plugins:maven-deploy-plugin:2.7 org.apache.maven.plugins:maven-install-plugin:2.3.1 org.apache.maven.plugins:maven-site-plugin:3.0 org.apache.maven.plugins:maven-release-plugin:2.0 org.apache.maven.plugins:maven-source-plugin:null [DEBUG] final aggregate version map [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.109s [INFO] Finished at: Thu Dec 27 11:29:56 GMT 2012 [INFO] Final Memory: 10M/24M [INFO] ------------------------------------------------------------------------ [ERROR] Failed to execute goal org.codehaus.mojo:versions-maven-plugin:2.0:display-plugin-updates (default) on project our-root-pom: Execution default of goal org.codehaus.mojo:versions-maven-plugin:2.0:display-plugin-updates failed. NullPointerException -> [Help 1] org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.codehaus.mojo:versions-maven-plugin:2.0:display-plugin-updates (default) on project our-root-pom: Execution default of goal org.codehaus.mojo:versions-maven-plugin:2.0:display-plugin-updates failed. at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:225) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145) at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84) at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59) at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183) at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156) at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537) at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196) at org.apache.maven.cli.MavenCli.main(MavenCli.java:141) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290) at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230) at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409) at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352) at org.codehaus.classworlds.Launcher.main(Launcher.java:47) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120) Caused by: org.apache.maven.plugin.PluginExecutionException: Execution default of goal org.codehaus.mojo:versions-maven-plugin:2.0:display-plugin-updates failed. at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:110) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209) ... 25 more Caused by: java.lang.NullPointerException at org.apache.maven.project.interpolation.PathTranslatingPostProcessor.execute(PathTranslatingPostProcessor.java:58) at org.codehaus.plexus.interpolation.StringSearchInterpolator.interpolate(StringSearchInterpolator.java:223) at org.codehaus.plexus.interpolation.StringSearchInterpolator.interpolate(StringSearchInterpolator.java:124) at org.apache.maven.project.interpolation.AbstractStringBasedModelInterpolator.interpolateInternal(AbstractStringBasedModelInterpolator.java:316) at org.apache.maven.project.interpolation.StringSearchModelInterpolator$InterpolateObjectAction.traverseObjectWithParents(StringSearchModelInterpolator.java:270) at org.apache.maven.project.interpolation.StringSearchModelInterpolator$InterpolateObjectAction.traverseObjectWithParents(StringSearchModelInterpolator.java:344) at org.apache.maven.project.interpolation.StringSearchModelInterpolator$InterpolateObjectAction.run(StringSearchModelInterpolator.java:137) at org.apache.maven.project.interpolation.StringSearchModelInterpolator$InterpolateObjectAction.run(StringSearchModelInterpolator.java:104) at java.security.AccessController.doPrivileged(Native Method) at org.apache.maven.project.interpolation.StringSearchModelInterpolator.interpolateObject(StringSearchModelInterpolator.java:83) at org.apache.maven.project.interpolation.StringSearchModelInterpolator.interpolate(StringSearchModelInterpolator.java:65) at org.codehaus.mojo.versions.DisplayPluginUpdatesMojo.getProjectPlugins(DisplayPluginUpdatesMojo.java:1557) at org.codehaus.mojo.versions.DisplayPluginUpdatesMojo.execute(DisplayPluginUpdatesMojo.java:469) at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101) ... 26 more Environment: Apache Maven 3.0.4 (r1232337; 2012-01-17 08:44:56+0000) Java version: 1.6.0_25, vendor: Sun Microsystems Inc. Default locale: en_GB, platform encoding: windows-1252 OS name: "windows xp", version: "5.1", arch: "x86", family: "windows" Project: Maven 2.x Versions Plugin Priority: Major Reporter: Sergei Ivanov

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