JVM stack error?

Hello everyone,


When running my program on Java JVM 5.0, there are strange stack errors. What may be the root cause?

(foo.dll is my JNI invoked native library.)

--------------------
Registers:
EAX=0x0c213e40, EBX=0x00000000, ECX=0x00000000, EDX=0x00000000
ESP=0x0c213e0c, EBP=0x0c213e44, ESI=0x00000000, EDI=0x00000000
EIP=0x0c4e8070, EFLAGS=0x0001024f

Top of Stack: (sp=0x0c213e0c)
0x0c213e0c: 00000000 00000000 00000000 0b97aeb0
0x0c213e1c: 0c4e8232 00000000 00000000 0b97aeb0
0x0c213e2c: 00000000 00000000 00000000 00000000
0x0c213eec: 00000000 00000000 0c213eb4 0c4e8147
0x0c213e4c: 00000000 00000000 0b97ac70 0b97aeb0
0x0c213e5c: 00000000 f5e24244 4e434c53 4854534b
0x0c213efc: 44414552 00000000 00000000 00000000
0x0c213e7c: 00000000 00000000 00000000 00000000

Instructions: (pc=0x0c4e8070)
0x0c4e80f0: 08 8b 4f 08 56 ce 5f 8b 31 33 74 24 08 fa 00 52
0x0c4e8070: 33 ef 33 15 5c 40 45 0c 8e 38 33 89 4f 08 74 04


Stack: [0x0c1e0000,0x0c220000), sp=0x0c21f30c, free space=252k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM cod6, C=native code)
C [foo.dll+0x18070]
C [foo.dll+0x18147]
--------------------


thanks in advance,
George