How to analyze corefile

 Hi Experts：

In the weblogic work directory often produce core file when  the WebLogic Server process terminates 。We can use dbx,gdb,pstack to analyze the core file , but how to read the info like below , can you give me some link to read and understand the Information and to prevent produce the core?

-----------------  lwp# 18 / thread# 18  --------------------
 ff2cc674 _lwp_kill (6, 0, ff334f98, ff2abf30, ffffffff, 6) + 8
 ff24194c abort    (7400, 1, 7c00, eeb60, ff3333d8, 0) + 110
 fee7d374 __1cCosFabort6Fi_v_ (1, 0, ff011014, fefdc000, 7d48, 7c00) + 58
 fef0c798 __1cHVMErrorOreport_and_die6M_v_ (0, ff0385a8, ff031f5c, 1, fee819f4, ff031f5c) + c84