On 03/17/10 22:10, Gabriele Kahlout wrote: > Does this look okay: > > final Properties prop = new java.util.Properties(); > prop.store(new FileOutputStream(new File(dir, > "derby.properties")), "derby.properties"); > prop.setProperty("derby.locks.deadlockTrace", "true"); > prop.setProperty("derby.stream.error.logSeverityLevel", > Integer.toString(20000)); > prop.setProperty("derby.language.logStatementText", "true"); > prop.setProperty("derby.stream.error.file", > dir.getAbsolutePath()+"derby.log"); No, you need to call store() after you have called setProperty(). Otherwise, you'll just create an empty properties file. -- Knut Anders