Exporting APK from eclipse (ADT) silently crashes

Question

Every time I try to export an APK from Eclipse (tried Juno and Indigo) on Mac, eclipse crashes after a few seconds

This used to work fine on my current setup.

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Answer 1

The problem has gone until I have update ADT and Eclipse. I don't know which one solve the issue. Now it's working smoothly for severeal signed export, with:

• ADT Version: 22.2.1.v201309180102-833290
• Eclipse Juno Service Release 2 Build id: 20130225-0426
• Gentoo Linux running Java 1.7.0_45-b18.

UPDATE: Few exports after, I still get crashes from time to time, but no very frequently.