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why DX lock is happening ?
hi all,
I am facing very strange behaviour in my database. As I know that there should not be any
distributed transaction. But I am getting DX locks. Now I want to know the reason why?
I have checked the sessions who are producing DX locks. These sessions are connected to
our database through WebLogic server.
I have also checked the following things :
select * from v$sysstat where statistic# in (239,240,241)
STATISTIC# NAME CLASS VALUE
239 bytes sent via SQL*Net to dblink 1 0
240 bytes received via SQL*Net from dblink 1 0
241 SQL*Net roundtrips to/from dblink 1 0
select * from v$sesstat where statistic# in (239,240,241) and value > 0
no rows selected
The above result shows that there is no instance of DB Links.
I want to know the possible reasons for which I am facing such locks.
For information, I have got this lock against one insert statement.
The environment is Oracle 9i rel2 , Sun Solaris 9 and weblogic server 6.1 sp 4
Deba
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