Why do I get this Oracle connections error? ORA-12519, TNS:no appropriate service handler found

Question

I\'m building a JSF2 app with GlassFish, Hibernate, Spring (for transaction mgmt), and Oracle 11g.

After the application has been running for a while, the app fails to q

Answer 1

This is a problem on the Oracle server:

http://ora-12519.ora-code.com/

The listener could not find any available service handlers that are appropriate for the client connection.

In other words, nothing to do with Hibernate, Java or Spring, although possibly an error in the JDBC URL.

Talk to your DBA and find out what's going on.