ORA-24550 问题

ORA-24550: signal received: Unhandled exception: Code=e0434f4d Flags=1
----- Call Stack Trace -----
calling              call     entry                argument values in hex
location             type     point                (? means dubious value)
-------------------- -------- -------------------- ----------------------------
_kpedbg_dmp_stack()  CALLrel  _kgdsdst()+0         121ED98C 0
+188
_kpeDbgCrash()+49    CALLrel  _kpedbg_dmp_stack()
                             +0
_kpeDbgSignalHandle  CALLrel  _kpeDbgCrash()+0     0 5 4E7E988 2 4 2B 4 121EDB5

r()+89
_skgesig_Win_Unhand  CALLptr  00000000             121EDA50 4F63120
ledExceptionFilter(
)+138
76FF2BC0             CALLreg  00000000
76EB5942             CALLreg  00000000
76E9B267             CALLrel  76E9B272
00000000             CALL???  00000000
75019673             VIRTUAL  00000000
68F45CA4             CALL???  00000000
68FF135B             CALLrel  68F45B4B
67A32905             CALLrel  679E5EC8
67A33983             CALLrel  67A328C0
06335F53             CALLrel  67A33970
68546DF4             CALLreg  00000000
6855027D             CALLreg  00000000
68546D6F             CALLrel  68550210             1F57D58
68EB1B49             CALLreg  00000000
68EC96D9             CALLrel  68EB1B19
68ED6CE4             CALLrel  68EC963F
68ED6D17             CALLrel  68ED6B8F
68ED6D35             CALLrel  68ED6CFD
68F62C1A             CALLrel  68ED6D20
68EDCACC             CALLreg  00000000
68EDCA66             CALLrel  68EDCAA4
68EDC98C             CALLrel  68EDC9BC
68EDCB18             CALLrel  68EDC96C
68F629EB             CALLrel  68EDCAF8
68F62AC5             CALLrel  68F629DD
68FD9CBC             CALLptr  00000000
76FE110F             CALLptr  00000000
76E9B297             CALLreg  00000000
76E9B267             CALLrel  76E9B272
00000000             CALL???  00000000
----- End of Call Stack Trace -----
请教下，这个问题该怎么解决，我是用C#.net连接的oracle数据库，oracle客户端的版本为11.2.1,很急，拜托了！！

在sqlnet.ora中加入：
DIAG_ADR_ENABLED = FALSE
DIAG_DDE_ENABLED = FALSE
DIAG_SIGHANDLER_ENABLED=FALSE
以上方法试了，不行，有没有其它的方法！！ --------------------编程问答-------------------- 你好！此问题是否已解决？

补充：.NET技术 ,  C#