java - Deploy Applet with JNLP -

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i'm trying deploy applet new java jnlp specifications, receive following error java plugin console:

badfieldexception[ il campo <jnlp><applet-desc>width presenta un valore non valido: 0,0]

this html code:

        <script>         var attributes = { id:'signingapplet', code:'it.insielmercato.web.signing.signingapplet' ,width:0, height:0 } ;          var parameters = {jnlp_href: 'signing-applet.jnlp'} ;          deployjava.runapplet(attributes, parameters, '1.6');         function setclipboardtext(text){             signingapplet.setclipboardcontent(text);         }     </script>

this jnlp code:

<?xml version="1.0" encoding="utf-8"?> <jnlp spec="1.5+" codebase="" href=""> <information>     <title>signingapplet</title>     <vendor>insielmercato s.p.a.</vendor> </information> <resources>     <!-- application resources -->     <j2se version="1.6+"           href="http://java.sun.com/products/autodl/j2se"/>     <jar href="signing-1.0.jar" main="true" /> </resources> <applet-desc name="signing applet" main-class="it.insielmercato.web.signing.signingapplet" width="0" height="0"> </applet-desc>  <update check="background"/> </jnlp>

and applet code:

package it.insielmercato.web.signing;  import java.applet.applet; import java.awt.toolkit; import java.awt.datatransfer.clipboard; import java.awt.datatransfer.clipboardowner; import java.awt.datatransfer.dataflavor; import java.awt.datatransfer.stringselection; import java.awt.datatransfer.transferable; import java.awt.datatransfer.unsupportedflavorexception; import java.io.ioexception;  public class signingapplet extends applet implements clipboardowner {  /**  *   */ private static final long serialversionuid = 5272223219287676996l;  private void loadappletparameters(){  }  public void init(){     loadappletparameters(); }  public void setclipboardcontent(string text){     stringselection ss = new stringselection(text);     clipboard clipboard = toolkit.getdefaulttoolkit().getsystemclipboard();     clipboard.setcontents(ss, this); }  public void lostownership(clipboard clipboard, transferable contents) {  }  public string getclipboardcontent(){     string content = null;     clipboard clipboard = toolkit.getdefaulttoolkit().getsystemclipboard();     transferable contents = clipboard.getcontents(null);     boolean hastransferabletext = (contents != null) &&   contents.isdataflavorsupported(dataflavor.stringflavor);     if(hastransferabletext)         try {             content = (string)contents.gettransferdata(dataflavor.stringflavor);         } catch (unsupportedflavorexception e) {             e.printstacktrace();         } catch (ioexception e) {             e.printstacktrace();         }      return content; }  }

where going wrong?

since "presenta un valore non valido" apparently translates "presents non valid value" try changing width , height 0 20.

use css (cascading style sheets) make applet hidden or invisible.


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