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ORA-07445: exception encountered: core dump [_int_malloc()+374] [SIGSEGV] [Address not mapped to object] [0x68C3D0] [] []
解决方法:因为这个错误表示已经有DISPATCHER异常中断了,所以需要重置MTS_DISPACHER,使得数量与参数预设值一样:
alter system set dispatchers='(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(LISTENER=listener_01))(SDU=2048))(DISPATCHERS=15)' scope=memory;
创建完全刷新的物化视图时遭遇ORA-12014suk@D10R2N1> create materialized view mv_test1 refresh complete as select * from test2;
create materialized view mv_test1 refresh complete as select * from test2
*
ERROR at line 1:
ORA-12014: table 'TEST2' does not contain a primary key constraint
创建完全刷新的物化视图时与主键没有关系,经查metalink,发现这是一个BUG:
Metalink给出的解决方法是加上with rowid子句:
suk@D10R2N1> create materialized view mv_test1 refresh complete with rowid as select * from test2;
Materialized view created.
今天做一个测试又遇到一个bug:
SQL> alter session set sort_area_size=2000000000;
alter session set sort_area_size=2000000000
ORA-02097: parameter cannot be modified because specified value is invalid
ORA-00600: internal error code, arguments: [925], [hash_area_size], [-294967296], [], [], [], [], []
今天,在一个正式库上收到如下告警邮件:
2007-11-28 11:31:00 Wed Errors in file /opt/oracle/admin/tradedb/udump/tradedb2_ora_72.trc:
2007-11-28 11:31:00 Wed ORA-07445: 出现异常错误: 核心转储 [opidsa()+480] [SIGSEGV] [Address not mapped to object] [0x000000000] [] [] 查看全文
今天遇到的bug是ORA-07445 [kghbigghs]。
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