code: public synchronized void start(final String[] args, final String execName) {
          if (!isStarted.get()) {
              try {
                  init(args, execName);
              } catch (final DevFailed e) {
                  DevFailedUtils.printDevFailed(e);
              }
          }
      }
docs: Starts a Tango server. The system property TANGO_HOST is mandatory if
  using the tango database. If the tango db is not used, the system
  property OAPort(for jacorb) must be set. The errors occurred will be only
  logged.
  
  <pre>
  ServerManager.getInstance().addClass(JTangoTest.class.getCanonicalName(), JTangoTest.class);
  ServerManager.getInstance().start(new String[] { &quot;1&quot; }, &quot;JTangoTest&quot;);
  </pre>
  
  @param args
  The arguments to pass. instanceName [-v[trace level]] [-nodb
  [-dlist <device name list>]]
  @param execName
  The name of the server as defined by Tango.
  @see ServerManager#addClass(String, Class)