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ORA-12516, TNS:listener could not find available handler with matching protocol stack

874051Aug 21 2013 — edited Aug 22 2013

while weblogic connecting to db , getting below error . please help with solution


-error
Connection test failed with the following exception: weblogic.common.resourcepool.ResourceDeadException: 0:weblogic.common.ResourceException: Could not create pool connection. The DBMS driver exception was: Listener refused the connection with the following error: ORA-12516, TNS:listener could not find available handler with matching protocol stack

checked below and still issue exists .

SQL> show parameter processes

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
aq_tm_processes                      integer     1
db_writer_processes                  integer     1
gcs_server_processes                 integer     2
global_txn_processes                 integer     1
job_queue_processes                  integer     1000
log_archive_max_processes            integer     4
processes                            integer     2000
SQL>

SQL> show parameters sessions


NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
java_max_sessionspace_size           integer     0
java_soft_sessionspace_limit         integer     0
license_max_sessions                 integer     0
license_sessions_warning             integer     0
sessions                             integer     3024
shared_server_sessions               integer
SQL> SQL>

SQL> select count(1) from gv$session;

  COUNT(1)
----------
       234

SQL>


-- RAC database
SQL> select * from v$version;

BANNER
--------------------------------------------------------------------------------
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
PL/SQL Release 11.2.0.3.0 - Production
CORE    11.2.0.3.0      Production
TNS for Linux: Version 11.2.0.3.0 - Production
NLSRTL Version 11.2.0.3.0 - Production

SQL>

Thanks ,

Mahesh

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Locked on Sep 19 2013
Added on Aug 21 2013
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