+ private Vector<String> invalidServiceUrls = null;
+
+ private Vector<String> urlsWithoutServices = null;
+
+ private Vector<String> validServiceUrls = null;
+
+ private volatile boolean running = false;
+
+ private volatile boolean aborted = false;
+
+ private Thread oldthread = null;
+
+ /**
+ * holds list of services.
+ */
+ protected Vector<Jws2Instance> services;
+
+ /**
+ * Private constructor enforces use of singleton via getDiscoverer()
+ */
+ private Jws2Discoverer()
+ {
+ }
+