Function
Specifies whether to append to or overwrite (delete and recreate) the
derby.log file when the
engine is started. The
derby.log file is used to record errors and other information. This
information can help you debug problems within a system.
You can set this property even if the file does not yet exist;
creates the file.
Default
False.
By default, the file is deleted and then re-created.
Example
derby.infolog.append=true
Dynamic or static
This property is static; if you change it while
is running, the change
does not take effect until you reboot.