Java Error in diaglog

Hi all , my db2 level info is

db2level
DB21085I Instance "DB2" uses "32" bits and DB2 code release "SQL08026" with
level identifier "03070106".
Informational tokens are "DB2 v8.1.13.193", "s060801", "WR21371", and FixPak
"13".
Product is installed at "C:\IBM\SQLLIB".


and OS is windows

iam getting following error in my diaglog

2013-01-29-11.33.35.965000+330 I16137H332 LEVEL: Error
PID : 1276 TID : 3532 PROC : java.exe
INSTANCE: DB2 NODE : 000
FUNCTION: DB2 UDB, oper system services, sqlo_get_userpw, probe:50
DATA #1 : Hexdump, 4 bytes
0x0C8FB34C : 4208 0000


After my WAS services are automatically stopping , can any one guide me ???