hi jboss crash and I found hs_err_pid.log file in the bin directory can some one hint me why this happen below if the first few line of the generated file. # # An unexpected error has been detected by HotSpot Virtual Machine: # # SIGSEGV (0xb) at pc=0x0000002a95b234a3, pid=21256, tid=1079339360 # # Java VM: Java HotSpot(TM) 64-Bit Server VM (1.5.0_11-b03 mixed mode) # Problematic frame: # V [libjvm.so+0x5aa4a3] # --------------- T H R E A D --------------- Current thread (0x0000000040149000): GCTaskThread [id=21260] siginfo:si_signo=11, si_errno=0, si_code=1, si_addr=0x00000000000a003c Registers: RAX=0x0000002c198fe51b, RBX=0x00000000000a003e, RCX=0x00000000000a003c, RDX=0x0000000000000001 RSP=0x0000000040555de0, RBP=0x0000000040555e50, RSI=0x0000002c254aa100, RDI=0x0000000000027200 R8 =0x0000002c254ab110, R9 =0x0000002a95ddd720, R10=0x0000000040139bb0, R11=0x0000002a95ddd701 R12=0x0000000000000000, R13=0x0000002c254aa100, R14=0x0000002a9cbd770c, R15=0x0000002c2ddc9e20 RIP=0x0000002a95b234a3, EFL=0x0000000000010206, CSGSFS=0x0000000000000076, ERR=0x0000000000000004 TRAPNO=0x000000000000000e View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4173123#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...