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81641
Java Manifest.mf classpath issues
127344
Android Application APK signing?
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How do I deal with "unauthenticated sources" errors in the Software Center?
48418
W: GPG error: http://ppa.launchpad.net precise Release: The following signatures couldn't be verified because the public key is not available:
126538
Ubuntu 12.04 GPG error: http://archive.ubuntu.com precise Release: The following signatures were invalid: NODATA 1 NODATA 2
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GPG Error while downloading software: "Clearsigned file isn't valid, got 'NODATA'"
123146
What is the best way to work around the fact that ALL Java bytes are signed?
75511
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How to add "provided" dependencies back to run/test tasks' classpath?