Archive for August, 2010
ORA-12537: TNS: connection closed error
Monday, August 30th, 2010The ORA-12537 is an information message and means that the connection has been closed. This can be caused by a number of reasons: 1. Database is shut down (maybe for nightly backup), but connection to database was kept by client. 2. A time-out occurred on the client-connection. 3. When firewall closes idle connections. 3. A [...]