[
http://jira.codehaus.org/browse/MNG-3156?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_107775
]
John Kew commented on MNG-3156:
-------------------------------
I've encountered this error too. I fixed this by applying a patch similar to:
---
maven/artifact/trunk/src/main/java/org/apache/maven/artifact/resolver/DefaultArtifactResolver.java
2007/08/17 06:07:31 566931
+++
maven/artifact/trunk/src/main/java/org/apache/maven/artifact/resolver/DefaultArtifactResolver.java
2007/08/20 14:44:01 567719
@@ -89,6 +89,12 @@
{
File systemFile = artifact.getFile();
+ if ( systemFile == null )
+ {
+ throw new ArtifactNotFoundException(
+ "System artifact: " + artifact + " has no file
attached", artifact );
+ }
+
if ( !systemFile.exists() )
{
throw new ArtifactNotFoundException(
This fix is available in the 2.0.x branch but it was recently removed from
trunk in r511859 on Sept. 1st. I won't post a patch since carlos has already
committed a similar patch. Here's the revision history for trunk, however:
http://svn.apache.org/viewvc/maven/artifact/trunk/src/main/java/org/apache/maven/artifact/resolver/DefaultArtifactResolver.java?view=log
> NullPointerException with mvn dependency:sources
> ------------------------------------------------
>
> Key: MNG-3156
> URL: http://jira.codehaus.org/browse/MNG-3156
> Project: Maven 2
> Issue Type: Bug
> Components: Dependencies
> Affects Versions: 2.0.7
> Reporter: Sam Imari
> Attachments: pom.xml
>
>
> I got a NPE when I use mvn dependency:sources to download all the sources for
> my appfuse M5 project:
> $ mvn -e -U dependency:sources
> + Error stacktraces are turned on.
> [INFO] Scanning for projects...
> [INFO] Searching repository for plugin with prefix: 'dependency'.
> [INFO] org.apache.maven.plugins: checking for updates from appfuse
> [INFO] org.apache.maven.plugins: checking for updates from central
> [INFO] org.codehaus.mojo: checking for updates from appfuse
> [INFO] org.codehaus.mojo: checking for updates from central
> [INFO] artifact org.apache.maven.plugins:maven-dependency-plugin: checking
> for updates from appfuse
> [INFO] artifact org.apache.maven.plugins:maven-dependency-plugin: checking
> for updates from central
> [INFO]
> ----------------------------------------------------------------------------
> [INFO] Building AppFuse Struts 2 Application
> [INFO] task-segment: [dependency:sources]
> [INFO]
> ----------------------------------------------------------------------------
> Downloading:
> http://repo1.maven.org/maven2/org/codehaus/xfire/bcprov-jdk15/133/bcprov-jdk15-133.pom
> Downloading:
> http://static.appfuse.org/repository/org/codehaus/xfire/bcprov-jdk15/133/bcprov-jdk15-133.pom
> Downloading:
> http://repo1.maven.org/maven2/xml-security/xmlsec/1.3.0/xmlsec-1.3.0.pom
> Downloading:
> http://static.appfuse.org/repository/xml-security/xmlsec/1.3.0/xmlsec-1.3.0.pom
> Downloading: http://repo1.maven.org/maven2/wss4j/wss4j/1.5.1/wss4j-1.5.1.pom
> Downloading:
> http://static.appfuse.org/repository/wss4j/wss4j/1.5.1/wss4j-1.5.1.pom
> Downloading:
> http://repo1.maven.org/maven2/xfire/saaj-impl/1.3/saaj-impl-1.3.pom
> Downloading:
> http://static.appfuse.org/repository/xfire/saaj-impl/1.3/saaj-impl-1.3.pom
> [INFO] [dependency:sources]
> Downloading: http://repo1.maven.org/maven2/ant/ant/1.5/ant-1.5-sources.jar
> Downloading:
> http://static.appfuse.org/repository/ant/ant/1.5/ant-1.5-sources.jar
> Downloading: http://repo1.maven.org/maven2/asm/asm/1.5.3/asm-1.5.3-sources.jar
> Downloading:
> http://static.appfuse.org/repository/asm/asm/1.5.3/asm-1.5.3-sources.jar
> Downloading:
> http://repo1.maven.org/maven2/asm/asm-attrs/1.5.3/asm-attrs-1.5.3-sources.jar
> Downloading:
> http://static.appfuse.org/repository/asm/asm-attrs/1.5.3/asm-attrs-1.5.3-sources.jar
> Downloading:
> http://repo1.maven.org/maven2/aspectj/aspectjweaver/1.5.3/aspectjweaver-1.5.3-sources.jar
> Downloading:
> http://static.appfuse.org/repository/aspectj/aspectjweaver/1.5.3/aspectjweaver-1.5.3-sources.jar
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] FATAL ERROR
> [INFO]
> ------------------------------------------------------------------------
> [INFO] null
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Trace
> java.lang.NullPointerException
> at
> org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:92)
> at
> org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:73)
> at
> org.apache.maven.plugin.dependency.utils.resolvers.DefaultArtifactsResolver.resolve(DefaultArtifactsResolver.java:81)
> at
> org.apache.maven.plugin.dependency.AbstractDependencyFilterMojo.getClassifierTranslatedDependencies(AbstractDependencyFilterMojo.java:308)
> at
> org.apache.maven.plugin.dependency.AbstractDependencyFilterMojo.getDependencySets(AbstractDependencyFilterMojo.java:265)
> at
> org.apache.maven.plugin.dependency.resolvers.ResolveDependencySourcesMojo.execute(ResolveDependencySourcesMojo.java:69)
> at
> org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:443)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:539)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandaloneGoal(DefaultLifecycleExecutor.java:493)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:463)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:311)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:278)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:143)
> at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:334)
> at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:125)
> at org.apache.maven.cli.MavenCli.main(MavenCli.java:272)
> 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:585)
> at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
> at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
> at
> org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
> at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Total time: 16 seconds
> [INFO] Finished at: Tue Aug 17 11:39:04 CEST 2007
> [INFO] Final Memory: 9M/17M
> [INFO]
> ------------------------------------------------------------------------
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