[ http://jira.codehaus.org/browse/MNG-1320?page=comments#action_50001 ] 

Brett Porter commented on MNG-1320:
-----------------------------------

its not "corrupt". Its written as default, which is no versions. It doesn't try 
again for another day.

1) its not empty, its just written out with defaults. This should be stopped so 
that it tries again.

2) it won't corrupt the local data, they are in separate files.

It's not about care when downloading, it just needs to avoid writing out files 
when there was a failure. BUT - be careful when changing this, if you take out 
the writing of the file when it is not found in the remote repo, it will check 
every single build.


> Build failed due to an empty or corrupt metadata file in the repository
> -----------------------------------------------------------------------
>
>          Key: MNG-1320
>          URL: http://jira.codehaus.org/browse/MNG-1320
>      Project: Maven 2
>         Type: Bug
>     Versions: 2.0
>     Reporter: Adrian
>     Assignee: John Casey
>      Fix For: 2.0.1

>
> Original Estimate: 3 hours
>         Remaining: 3 hours
>
> Build failed due to an empty or corrupt metadata file in the repository. 
> Possibly had a network error whilst downloading the metadata file. The stack 
> trace that occurred when the error was encountered was as follows.
> + Error stacktraces are turned on.
> [INFO] Scanning for projects...
> [INFO] 
> ----------------------------------------------------------------------------
> [INFO] Building Maven Ear plugin
> [INFO]    task-segment: [clean, install]
> [INFO] 
> ----------------------------------------------------------------------------
> [INFO] [clean:clean]
> [INFO] 
> ----------------------------------------------------------------------------
> [ERROR] BUILD ERROR
> [INFO] 
> ----------------------------------------------------------------------------
> [INFO] The plugin 'org.apache.maven.plugins:maven-resources-plugin' does not 
> exist or no valid version could be found
> [INFO] 
> ----------------------------------------------------------------------------
> [INFO] Trace
> org.apache.maven.lifecycle.LifecycleExecutionException: The plugin 
> 'org.apache.maven.plugins:maven-resources-plugin' does not exist or no valid 
> version could be found
>       at 
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.verifyPlugin(DefaultLifecycleExecutor.java:1124)
>       at 
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.getMojoDescriptor(DefaultLifecycleExecutor.java:1356)
>       at 
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.bindLifecycleForPackaging(DefaultLifecycleExecutor.java:896)
>       at 
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.constructLifecycleMappings(DefaultLifecycleExecutor.java:862)
>       at 
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:447)
>       at 
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:301)
>       at 
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:268)
>       at 
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:137)
>       at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:316)
>       at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:113)
>       at org.apache.maven.cli.MavenCli.main(MavenCli.java:249)
>       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)
> Caused by: org.apache.maven.plugin.version.PluginVersionNotFoundException: 
> The plugin 'org.apache.maven.plugins:maven-resources-plugin' does not exist 
> or no valid version could be found
>       at 
> org.apache.maven.plugin.version.DefaultPluginVersionManager.resolvePluginVersion(DefaultPluginVersionManager.java:225)
>       at 
> org.apache.maven.plugin.version.DefaultPluginVersionManager.resolvePluginVersion(DefaultPluginVersionManager.java:87)
>       at 
> org.apache.maven.plugin.DefaultPluginManager.verifyPlugin(DefaultPluginManager.java:158)
>       at 
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.verifyPlugin(DefaultLifecycleExecutor.java:1095)
>       ... 18 more
> [INFO] 
> ----------------------------------------------------------------------------
> [INFO] Total time: < 1 second
> [INFO] Finished at: Tue Oct 25 15:33:37 BST 2005
> [INFO] Final Memory: 1M/3M
> [INFO] 
> ----------------------------------------------------------------------------

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