We occasionally see a Hudson build failure on Mac when building the (closed) T2K library. The systems are running Mac OS X 10.7.5. The gradle build is getting the following exception. It will be interesting to see whether this still happens once we upgrade to gradle 1.8.
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:graphics:ccMacFontT2K FAILED
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':graphics:ccMacFontT2K'.
> java.util.ConcurrentModificationException
* Try:
Run with --stacktrace option to get the stack trace. Run with --debug option to get more log output.
BUILD FAILED