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What is the JDBC Trace Facility?

April 26, 2017facility JDBC trace

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What is the JDBC Trace Facility?

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The JDBC Trace Facility is a runtime debugging aid built into Oracle JDBC. When enabled, it prints messages about the execution of the Oracle JDBC driver. Typically these messages include method entry, parameter values, significant internal state, internal errors, method exit, and return values.As of 10.1.0, the Oracle Trace Facility is only supported in classes12_g.jar and classes12dms_g.jar. All Oracle JDBC drivers supporting JDK 1.4 and later use the built in trace facility in java.util.logging. See the section on java.util.logging for info on how to get trace info from ojdbc14_g.jar and ojdbc14dms_g.jar.If you are having difficulty with your JDBC application, you might find the trace helpful. Most of the messages are about internal JDBC methods and so may be obscure. Still, you might get some help. I would suggest setting the trace volume to 1 to begin with.If you think there is a bug in JDBC, the trace might help us in supporting you. In this case leave the trace volume at the def