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Where do you read in the values from the properties file?

jbdc.url=jdbc:hsqldb:file:DBNAME
jbdc.username=sa
jbdc.password=
jbdc.driver=org.hsqldb.jdbcDriver

Something like this perhaps?
Be sure to read your laboratory documentation thoroughly, as...

Please be more specific in terms of what your problem is.

Post the code you're dealing with and the precise problems you're having. If you're weary that Marriott will penalize you for asking for...