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https://jira.codehaus.org/browse/MNG-5573?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=340604#comment-340604
]
Richard Opalka commented on MNG-5573:
-------------------------------------
I was able to fix this problem locally (local maven 3.1.1 build) by replacing:
if(legacySupport.getRepositorySession() != null )
with
if( legacySupport != null && legacySupport.getRepositorySession() != null )
> NPE in legacy DefaultWagonManager
> ---------------------------------
>
> Key: MNG-5573
> URL: https://jira.codehaus.org/browse/MNG-5573
> Project: Maven 2 & 3
> Issue Type: Bug
> Components: Artifacts and Repositories
> Reporter: Richard Opalka
>
> When executing the following command:
> mvn idea:idea -DdownloadSources=true" -e
> I'm getting the following NPE.
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-idea-plugin:2.2:idea (default-cli) on project
> wildfly-cli: Execution default-cli of goal
> org.apache.maven.plugins:maven-idea-plugin:2.2:idea failed.
> NullPointerException -> [Help 1]
> org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute
> goal org.apache.maven.plugins:maven-idea-plugin:2.2:idea (default-cli) on
> project wildfly-cli: Execution default-cli of goal
> org.apache.maven.plugins:maven-idea-plugin:2.2:idea failed.
> at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:224)
> 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:317)
> at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:152)
> at org.apache.maven.cli.MavenCli.execute(MavenCli.java:555)
> at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:214)
> at org.apache.maven.cli.MavenCli.main(MavenCli.java:158)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at
> org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
> at
> org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
> at
> org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
> at
> org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
> Caused by: org.apache.maven.plugin.PluginExecutionException: Execution
> default-cli of goal org.apache.maven.plugins:maven-idea-plugin:2.2:idea
> failed.
> at
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:115)
> at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
> ... 19 more
> Caused by: java.lang.NullPointerException
> at
> org.apache.maven.repository.legacy.DefaultWagonManager.connectWagon(DefaultWagonManager.java:240)
> at
> org.apache.maven.repository.legacy.DefaultWagonManager.getRemoteFile(DefaultWagonManager.java:337)
> at
> org.apache.maven.repository.legacy.DefaultWagonManager.getArtifact(DefaultWagonManager.java:109)
> at
> org.apache.maven.repository.legacy.DefaultWagonManager.getArtifact(DefaultWagonManager.java:161)
> at
> org.apache.maven.artifact.manager.DefaultWagonManager.getArtifact(DefaultWagonManager.java:155)
> at
> org.apache.maven.plugin.idea.IdeaModuleMojo.resolveClassifiedArtifact(IdeaModuleMojo.java:966)
> at
> org.apache.maven.plugin.idea.IdeaModuleMojo.resolveClassifier(IdeaModuleMojo.java:929)
> at
> org.apache.maven.plugin.idea.IdeaModuleMojo.rewriteDependencies(IdeaModuleMojo.java:569)
> at
> org.apache.maven.plugin.idea.IdeaModuleMojo.rewriteModule(IdeaModuleMojo.java:409)
> at
> org.apache.maven.plugin.idea.IdeaMojo.rewriteModule(IdeaMojo.java:220)
> at org.apache.maven.plugin.idea.IdeaMojo.execute(IdeaMojo.java:200)
> at
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:106)
> ... 20 more
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