here's the stack trace.... phil 5:adb a.out core file = core -- program ``a.out'' on platform SUNW,Ultra-5_10 SIGSEGV: Segmentation Fault $C _Jv_equalUtf8Consts__FP13_Jv_Utf8ConstT0() + c [savfp=0x0,savpc=0x0] data address not found Thanks Phil