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From "Sergei Ivanov (JIRA)" <j...@codehaus.org>
Subject [jira] (MRRESOURCES-58) 'process' goal fails with NPE at the root of a reactor if child modules use version ranges for dependencies
Date Thu, 02 Aug 2012 09:43:21 GMT

    [ https://jira.codehaus.org/browse/MRRESOURCES-58?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=305278#comment-305278
] 

Sergei Ivanov commented on MRRESOURCES-58:
------------------------------------------

Can anybody please have a look at the patch and apply it to the trunk? We have successfully
been using a patched version internally for a few months now.
                
> 'process' goal fails with NPE at the root of a reactor if child modules use version ranges
for dependencies
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: MRRESOURCES-58
>                 URL: https://jira.codehaus.org/browse/MRRESOURCES-58
>             Project: Maven 2.x Remote Resources Plugin
>          Issue Type: Bug
>    Affects Versions: 1.2.1, 1.3
>         Environment: Apache Maven 3.0.3 (r1075438; 2011-02-28 17:31:09+0000)
> Java version: 1.6.0_25, vendor: Sun Microsystems Inc.
> Default locale: en_GB, platform encoding: UTF-8
> OS name: "windows xp", version: "5.1", arch: "x86", family: "windows"
>            Reporter: Sergei Ivanov
>         Attachments: test-reactor-version-ranges.zip, version-ranges-bugfix.patch, version-ranges-bugfix-v2.patch
>
>
> When the maven-remote-resources-plugin:process goal is integrated into the lifecycle
of a parent project in a multi-module reactor build, the goal fails with an NPE if dependency
version ranges are used in the child modules. Additionally, "runOnlyAtExecutionRoot" option
needs to be set to true in order to recreate the problem. Please see the attached test project
that demonstrates the problem.
> Full exception trace is as follows:
> [ERROR] Failed to execute goal org.apache.maven.plugins:maven-remote-resources-plugin:1.2.1:process
(process-remote-resources) on project test-parent: Execution process-remote-resources of goal
org.apache.maven.plugins:maven-remote-resources-plugin:1.2.1:process failed. NullPointerException
-> [Help 1]
> org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-remote-resources-plugin:1.2.1:process
(process-remote-resources) on project test-parent: Execution process-remote-resources of goal
org.apache.maven.plugins:maven-remote-resources-plugin:1.2.1:process 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:319)
> 	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 process-remote-resources
of goal org.apache.maven.plugins:maven-remote-resources-plugin:1.2.1:process 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.artifact.DefaultArtifact.equals(DefaultArtifact.java:344)
> 	at java.util.HashMap.put(HashMap.java:376)
> 	at java.util.HashSet.add(HashSet.java:200)
> 	at java.util.AbstractCollection.addAll(AbstractCollection.java:305)
> 	at org.apache.maven.plugin.resources.remote.ProcessRemoteResourcesMojo.aggregateProjectDependencyArtifacts(ProcessRemoteResourcesMojo.java:749)
> 	at org.apache.maven.plugin.resources.remote.ProcessRemoteResourcesMojo.getProjects(ProcessRemoteResourcesMojo.java:624)
> 	at org.apache.maven.plugin.resources.remote.ProcessRemoteResourcesMojo.configureVelocityContext(ProcessRemoteResourcesMojo.java:988)
> 	at org.apache.maven.plugin.resources.remote.ProcessRemoteResourcesMojo.execute(ProcessRemoteResourcesMojo.java:511)
> 	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
> 	... 26 more

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