I\'ve got a Play (1.2.4) application that\'s working fine on my Windows 7 64bit dev machine.
I had a few crashes when I was running on Java 7.0 beta; this JavaVM cra
I think your Classes needs to much space. See
PSPermGen total 40448K, used 40403K [0x000000067c400000, 0x000000067eb80000, x0000000686a00000)
object space 40448K, 99% used [0x000000067c400000,0x000000067eb74e08,0x000000067eb80000)
so I would recommend to increase the permsize and create an bug report at openjdk. Because I think a OutOfMemoryError should be thrown.
Here you can get more information about the permsize.