Is there any way to keep Oracle SQL Developer from closing my DB connections, or to increase the timeout? Sometimes during a long-running query SQL Dev will just close the conne
Here's another Keep Connection Active extension that might be of use. (The extension mentioned above contains a number of issues that are resolved in this extn.)
http://sites.google.com/site/keepconnext/
As a temporary solution to it, at the side of 'Data Grid' you'll find the tab 'DBMS Output', turn DBMS output ON and set the polling frequency to an agreeable time.