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ora-12519,tns:no appropriate service handler found issues
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Java code ora-12519, tns:no appropriate service handler found the Connection descriptor used by the client was:  110.16.1.17:1521:ORCL www.2cto.com Solutions: java code The current number of connections on the database has exceeded the maximum value it can handle. select Count (*) from v$process--current number of connections select value from V$parameter where name = ' processes '--number Maximum number of connections allowed by the library modify Maximum connections: alter system set processes = SPFile; Restart database: shutdown immediate; startup; www.2cto.com --See which users are currently using data select Osuser, a.username,cpu_time/executions/ 1000000| | ' S ', Sql_fulltext,machine from v$session A, V$sqlarea b where a.sql_address =b.address ORDER by Cpu_time/execut Ions desc; Note: If prompted without shutdown permissions you can use conn/as sysdba Dba java code SQL> conn/as sysdba; is connected. SQL> alter system SET processes = + scope = SPFile; The system has changed. sql> Shutdown immediate; database is closed. has uninstalled the database. The oracle routine has been closed. SQL> startup; The oracle routine has been started. www.2cto.com total System Global area 599785472 bytes fixed Size &NBSP ; 1288820 bytes variable Size 17616 2188 bytes database buffers 419430400 bytes redo buffers &NBSP ; 2904064 bytes
The database is loaded. The database is already open. Author Smartan
Ora-12519,tns:no appropriate service handler found problem exceeds number of connections