:~/.java/deployment/log$ tail -f *
==> plugin7196670256705124319.log <==
  <sequence>269</sequence>
  <logger>sun.plugin</logger>
  <level>FINE</level>
  <class>com.sun.deploy.trace.LoggerTraceListener</class>
  <method>print</method>
  <thread>9</thread>
  <message>basic: PluginMain.unregisterApplet: 1 from mananger sun.plugin2.applet.JNLP2Manager@7b97ab3
</message>
</record>
</log>

==> plugin7584604581242124324.trace <==
network: Connexion de http://java.com:443/ avec proxy=DIRECT
basic: JNLP2Manager.initialize(): JNLP not available: JavaDetection_applet.jnlp
basic: exception : null.
java.lang.NullPointerException
        at sun.plugin2.applet.JNLP2Manager.getAppInfo(Unknown Source)
        at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)
Ignored exception: java.lang.NullPointerException
basic: Dialog type is not candidate for embedding
basic: PluginMain.unregisterApplet: 1 from mananger sun.plugin2.applet.JNLP2Manager@7b97ab3