My app works fine on the Simulator, but no devices make null pointer exception

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  ---

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  All the BlackBerry Widgets require the signature, even if you are not using a single line of JavaScript.

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  Additional data:

  -Other Internet applications of device (such as the Internet browser) works well through 3G even when my application does not always succeed. Coverage of 3G service is excellent.

  -J' use JRE 5.0.0.

  -Device is a BlackBerry Bold 9700

  -Webservice is written in VB.NET in the production on the Internet Server, and it works perfectly because it responds to each request of Simulator.

  -J' use javaloader.exe to deploy the cod to the device files (both, ksoap library cod and cod of my project)

  -L'application is not signed.

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  String res="";
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  SoapObject m_Soapobject=new SoapObject("urn:tempuri", "GetSeguimientos");
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  m_Soapobject.addProperty("strInstance", "r2sistemas");
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  m_Soapobject.addProperty("password", "mypassword");
  m_Soapobject.addProperty("comercialId", "3");
  
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  m_Envelope.setOutputSoapObject(m_Soapobject);
  
  HttpTransport ht = new httpTransport("http://www.productionserver.com/service1.asmx");
  ht.setXmlVersionTag("");
  
  try {
      ht.call("urn:tempuri/GetSeguimientos", m_Envelope);
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      seguimientos=(Vector)respuesta.getProperty(0);
      } catch (IOException e) {
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      } catch (XmlPullParserException e) {
      error=true; res="XMLParser problem: " + e.toString();
      }
  
  if(error!=true) {
      Seguimiento seg=(Seguimiento)seguimientos.elementAt(1);
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      }
  
  this.add(new LabelField("aa"+ res));
  

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  I use a port KSOAP2 library: ksoap2-j2me-core-prev - 2.1.2.jar, like I said it works fine on the Simulator. I tried to download the source code of KSOAP to debug in the failing methods, but was unnable to do compile ok on Eclipse.

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  Thank you in advance.

  Ok. Further reading took me to the problem.

  AFAIK, there are 5 ways to connect to web addresses from a BlackBerry device.

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  I read this: 1 Source

  And this (Spanish): Source 2

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