logdir = Utils.findOrCreateFolder ( logdir );
boolean serializableLogging= "true".equals(Utils.getTrimmedProperty (
AbstractUserTransactionServiceFactory.SERIALIZABLE_LOGGING_PROPERTY_NAME, p ));
LogStream logstream=null;
try {
if (serializableLogging) {
logstream = new FileLogStream ( logdir, logname );
} else {
logstream = new com.atomikos.persistence.dataserializable.FileLogStream ( logdir, logname );