problem with the class JRexPreference

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Hello,

When I try to set a proxy with this code (found on the mailling list)

JRexPreference prefs = JRexPreference.getInstance();
prefs.setDefaultCharPref("network.proxy.http","XXX.XXX.XXX.XXX");
prefs.setDefaultIntPref("network.proxy.http_port",80);
prefs.setDefaultIntPref("network.proxy.type", 1);

Java return me this exception :
Exception in thread "main" java.lang.UnsatisfiedLinkError:
org.mozilla.jrex.pref.JRexPreference.SetDefaultCharPref(Ljava/lang/String;Ljava/lang/String;)V

I don't know what it may come?
Nobody has an idea?

Thanks for all

Best regards
Waldo2188

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Hello,<br><br>When I try to set a proxy with this code (found on the mailling list)<br><br>JRexPreference prefs = JRexPreference.getInstance();<br>prefs.setDefaultCharPref(&quot;network.proxy.http&quot;,&quot;XXX.XXX.XXX.XXX&quot;);<br>
prefs.setDefaultIntPref(&quot;network.proxy.http_port&quot;,80);<br>prefs.setDefaultIntPref(&quot;network.proxy.type&quot;, 1);<br><br>Java return me this exception :<br>Exception in thread &quot;main&quot; java.lang.UnsatisfiedLinkError: org.mozilla.jrex.pref.JRexPreference.SetDefaultCharPref(Ljava/lang/String;Ljava/lang/String;)V<br>
<br><div id="result_box" dir="ltr">I don&#39;t know what it may come? 
<br> Nobody has an idea?<br><br>Thanks for all<br><br>Best regards <br>Waldo2188<br></div><br>

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