Invalid symbolic links get archived but cannot be copied using Copy Artifacts

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      The copyartifact plugin fails to properly handle symlinks from a slave machine. When you create the symlink and archive it, the symlink returns a 404, and anything that tries to Copy Archive from the above project throws an exception.

      Steps to reproduce:
      Create a SLAVE NODE on a linux instance
      Create a Job (fooProject) that has `Execute ssh` with the following

      mkdir -p foo 
echo $BUILD_TAG > foo/bar 
ln -s $( readlink -f foo/bar ) foo/baz

      Then Archive the Artifacts on `foo/**`
      Execute job
      Create a new project (barProject)
      Copy artifacts from project (fooProject)
      Execute and you will receive the following stack trace below:

      ERROR: Failed to copy artifacts from tets with filter: **
hudson.util.IOException2: Failed to copy /Users/Shared/Jenkins/Home/jobs/tets/builds/2014-03-31_17-56-04/archive/foo/baz to /tmp/workspace/tets2/foo/baz
	at hudson.plugins.copyartifact.FingerprintingCopyMethod.copyOne(FingerprintingCopyMethod.java:107)
	at hudson.plugins.copyartifact.FingerprintingCopyMethod.copyAll(FingerprintingCopyMethod.java:68)
	at hudson.plugins.copyartifact.CopyArtifact.perform(CopyArtifact.java:368)
	at hudson.plugins.copyartifact.CopyArtifact.perform(CopyArtifact.java:306)
	at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)
	at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:781)
	at hudson.model.Build$BuildExecution.build(Build.java:199)
	at hudson.model.Build$BuildExecution.doRun(Build.java:160)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:562)
	at hudson.model.Run.execute(Run.java:1665)
	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)
	at hudson.model.ResourceController.execute(ResourceController.java:88)
	at hudson.model.Executor.run(Executor.java:246)
Caused by: java.io.FileNotFoundException: /Users/Shared/Jenkins/Home/jobs/tets/builds/2014-03-31_17-56-04/archive/foo/baz (No such file or directory)
	at java.io.FileInputStream.open(Native Method)
	at java.io.FileInputStream.<init>(FileInputStream.java:138)
	at hudson.FilePath$34.invoke(FilePath.java:1797)
	at hudson.FilePath$34.invoke(FilePath.java:1792)
	at hudson.FilePath.act(FilePath.java:916)
	at hudson.FilePath.act(FilePath.java:889)
	at hudson.FilePath.copyTo(FilePath.java:1792)
	at hudson.plugins.copyartifact.FingerprintingCopyMethod.copyOne(FingerprintingCopyMethod.java:79)
	... 12 more
Build step 'Copy artifacts from another project' marked build as failure
Finished: FAILURE

            Assignee:
            Unassigned
            Reporter:
            Steven Christou
            Archiver:
            Jenkins Service Account

              Created:
              Updated:
              Resolved:
              Archived: