traceFile=path attribute The traceFile=path attribute specifies a file to which the Network Client will send JDBC trace information. traceFile=path database connection URL attribute network clienttracing attributestraceFile

If you do not specify an absolute path name, the file is placed in the derby.system.home directory (see "Defining the system directory" in the for details).

If you specify both traceFile=path and traceFileAppend=true, the output is appended to the specified file, if it exists. If you specify traceFile=path but do not specify traceFileAppend=true, any previous version of the file of the file is overwritten.

For more information about tracing, see "Network client tracing" in the . See traceDirectory=path and traceLevel=value for other attributes related to tracing.

Combining with other attributes

You can combine this attribute with other attributes.

Example -- enable tracing on a new database jdbc:derby://localhost:1527/mydb;create=true;traceFile=trace.out