Have Oracle automatically roll back abandoned sessions?

Question

Is there any way to guarantee that an application won\'t fail to release row locks in Oracle? If I make sure to put commit statements in finally blocks, that handles the case of

Answer 1

COMMIT inside finally is probably the last thing you should do since you should (almost) never commit anything that threw an exception.

Answer 2

Try setting SQLNET.EXPIRE_TIME in your sqlnet.ora.

SQLNET.EXPIRE_TIME=10

From the documentation:

Purpose
To specify a time interval, in minutes, to send a check to verify that client/server connections are active.

Answer 3

I am not a DBA so I am sure you can find a better solution...

but there are certain deadlock conditions that seem to happen that will not roll back on our own. My last DBA had a process that would run every minute and kill anything that had been running more than 10 minutes.