The Network Server will attempt to create the trace directory (and any parent directories) if they do not exist. This will require that the Java security policy for derbynet.jar permits verification of the existence of the named trace directory and all necessary parent directories. For each directory created, the policy must allow

and for the trace directory itself, the policy must allow

See "Configuring Java security" in the for information about customizing the Network Server's security policy.

If the derby.system.home property has been set, it is the default. Otherwise, the default is the current directory.

Dynamic. You can change system values by using commands after the Network Server has been started.