RE: 9i shared servers (dispatcher) hung
- From: "Gogala, Mladen" <MGogala@xxxxxxxxxxxxxxxxxxxx>
- To: "'JBECKSTROM@xxxxxxxxx'" <JBECKSTROM@xxxxxxxxx>, oracle-l@xxxxxxxxxxxxx, oracle-db-l@xxxxxxxxxxxxxxxxxxxx, ORACLE-L@xxxxxxxxxxxxx, oracledba@xxxxxxxxxxx, oracle-rdbms@xxxxxxxxxxxxxxx
- Date: Wed, 31 Aug 2005 14:20:46 -0400
Internal deadlock, possibly? Sounds like a situation for hanganalyze
utility. There is a little article mentioning
hanganalyze at http://www.mgogala.com
--
Mladen Gogala
Ext. 121
_____
From: Jeffrey Beckstrom [mailto:JBECKSTROM@xxxxxxxxx]
Sent: Wednesday, August 31, 2005 1:44 PM
To: oracle-l@xxxxxxxxxxxxx; oracle-db-l@xxxxxxxxxxxxxxxxxxxx;
ORACLE-L@xxxxxxxxxxxxx; oracledba@xxxxxxxxxxx; oracle-rdbms@xxxxxxxxxxxxxxx
Subject: 9i shared servers (dispatcher) hung
People could not connect via shared server - hung. So tried stopping the
dispatchers and restarting them. I did:
alter system shutdown immediate 'D000' ;
alter system shutdown immediate 'D001' ;
In alert log I see the following.
idle dispatcher 'D000' terminated, pid = (13, 1)
I do not see d001 stopping. If do a lsnrctl services it still shows d001.
If do:
ALTER SYSTEM SET DISPATCHERS=''(address=(host=10.20.7.11)(proto
=tcp))(dispatchers=2)'';
Then lsnrctl services shows d000, d001 and d002.
I ended up bouncing the database. I had to do a shutdown abort since
shutdown immediate hung - probably due to dispatcher d001 getting stuck.
Any ideas on why a dispatcher would get stuck?
Jeffrey Beckstrom
Database Administrator
Greater Cleveland Regional Transit Authority
1240 W. 6th Street
Cleveland, Ohio 44113
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