Sam - what does 
    SHOW PARAMETER SESSIONS show? Just in case you have another line in your
init.ora file. No, no that has never happened to me! Other than that, I
haven't encountered the problem you describe.



Dennis Williams 
DBA, 40%OCP, 100% DBA 
Lifetouch, Inc. 
[EMAIL PROTECTED] 

-----Original Message-----
Sent: Monday, March 03, 2003 3:24 PM
To: Multiple recipients of list ORACLE-L



We are running Oracle 7.3.4.5.0 on an IBM/AIX RISC System/6000: Version
2.3.4.0.0.  

 

This afternoon, our users started getting the error message "ORA-00018:
maximum number of sessions exceeded."  As time went on, the number of
sessions was decreasing (as shown by the count of rows in v$session).
However, Oracle still did not allow connections.  This lasted for about 40
minutes.  

 

The sessions parameter in the initialization parameter file showed 300.

 

Querying v$session showed 246 rows.

 

Querying v$license reported:

SQL> select * from v$license;

 

SESSIONS_MAX SESSIONS_WARNING SESSIONS_CURRENT SESSIONS_HIGHWATER USERS_MAX

------------ ---------------- ---------------- ------------------ ---------

           0                0              204                248         0

 

There seems to be a contradiction here:  300 sessions in init.ora;
sessions_highwater at 248, and Oracle not allowing connections because the
maximum has been reached.

 

Has anybody encountered this problem before.  Is there a "simple" reason for
this erratic behavior?  

 

Management is looking for an answer as to why this has happened.  Thanks for
any input!

 

Sam Bootsma

[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> 

 

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