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From "Robert Scholte (JIRA)" <j...@codehaus.org>
Subject [jira] (MSHARED-223) NullPointerException in maven-resources-plugin
Date Sun, 09 Feb 2014 21:45:57 GMT

     [ https://jira.codehaus.org/browse/MSHARED-223?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Scholte closed MSHARED-223.
----------------------------------

       Resolution: Fixed
    Fix Version/s: maven-filtering-1.1
         Assignee: Olivier Lamy

Fixed by [~olamy] in [r1358529|http://svn.apache.org/r1358529]

> NullPointerException in maven-resources-plugin
> ----------------------------------------------
>
>                 Key: MSHARED-223
>                 URL: https://jira.codehaus.org/browse/MSHARED-223
>             Project: Maven Shared Components
>          Issue Type: Bug
>          Components: maven-filtering
>    Affects Versions: maven-filtering-1.0
>         Environment: centos 5.x
> maven 3.0.3
> TeamCity Enterprise Version 6.5.2 (build 17935) 
> Java(TM) SE Runtime Environment (build 1.6.0_21-b06)
> Java HotSpot(TM) 64-Bit Server VM (build 17.0-b16, mixed mode)
>            Reporter: Eran Harel
>            Assignee: Olivier Lamy
>             Fix For: maven-filtering-1.1
>
>
> About twice a day we get a NullPointerException in our build:
> {noformat}
> [06:44:23]: [ERROR] Failed to execute goal org.apache.maven.plugins:maven-resources-plugin:2.5:resources
(default-resources) on project spring-lib: Execution default-resources of goal org.apache.maven.plugins:maven-resources-plugin:2.5:resources
failed. NullPointerException -> [Help 1]
> [06:44:23]: org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute
goal org.apache.maven.plugins:maven-resources-plugin:2.5:resources (default-resources) on
project spring-lib: Execution default-resources of goal org.apache.maven.plugins:maven-resources-plugin:2.5:resources
failed.
> [06:44:23]: at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:225)
> [06:44:23]: at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
> [06:44:23]: at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
> [06:44:23]: at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
> [06:44:23]: at org.apache.maven.lifecycle.internal.LifecycleThreadedBuilder$1.call(LifecycleThreadedBuilder.java:167)
> [06:44:23]: at org.apache.maven.lifecycle.internal.LifecycleThreadedBuilder$1.call(LifecycleThreadedBuilder.java:164)
> [06:44:23]: at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> [06:44:23]: at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> [06:44:23]: at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
> [06:44:23]: at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> [06:44:23]: at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> [06:44:23]: at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> [06:44:23]: at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> [06:44:23]: at java.lang.Thread.run(Thread.java:619)
> [06:44:23]: Caused by: org.apache.maven.plugin.PluginExecutionException: Execution default-resources
of goal org.apache.maven.plugins:maven-resources-plugin:2.5:resources failed.
> [06:44:23]: at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:110)
> [06:44:23]: at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
> [06:44:23]: ... 13 more
> [06:44:23]: Caused by: java.lang.NullPointerException
> [06:44:23]: at java.util.ArrayList.<init>(ArrayList.java:131)
> [06:44:23]: at org.apache.maven.shared.filtering.DefaultMavenResourcesFiltering.filteredFileExtension(DefaultMavenResourcesFiltering.java:115)
> [06:44:23]: at org.apache.maven.shared.filtering.DefaultMavenResourcesFiltering.filterResources(DefaultMavenResourcesFiltering.java:264)
> [06:44:23]: at org.apache.maven.plugin.resources.ResourcesMojo.execute(ResourcesMojo.java:310)
> [06:44:23]: at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
> [06:44:23]: ... 14 more
> {noformat}
> This comes at random times, and the next build doesn't fail.
> I've googled for this failure and found nothing. I have this gut feeling that this may
be caused by a concurrency issue in the maven-resources-plugin.
> We got this error with maven-resources-plugin 2.4.3, and now with 2.5. Our maven version
is 3.0.3.
> We execute the build on TeamCity with the following parameters:
> {noformat}
> Goals: install
> Additional Maven command line parameters: -T 2C -e -P!releasex,integration 
> -Dmaven.test.failure.ignore=true -Dmaven.test.error.ignore=true 
> -Dmaven.test.haltafterfailure=false -Dmaven.junit.timeout=1000000
> -DwarProject.packaging=jar
> {noformat}



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