B4J Question jnlp how to make?

Douglas Farias · Oct 29, 2015

Hi, i need to make a .jnlp of my b4j app.
how can i make this?

dont found any tutorial about this on forum
https://java.com/en/download/faq/java_webstart.xml

i m tryed to make this but not sucess.
http://iddesenvolvimento.com.br/pedido.jnlp

B4X:

<?xml version="1.0" encoding="utf-8"?>
<jnlp spec="1.0" xmlns:jfx="http://javafx.com" href="pedido.jnlp">
<information>
<title>Pedidos Pet</title>
<vendor>pedidos</vendor>
<description>Notificador Pedidos Pet - Alerta o usuário sobre novos pedidos</description>
<offline-allowed/>
</information>
<resources>
<jfx:javafx-runtime version="8.0+" href="http://javadl.sun.com/webapps/download/GetFile/javafx-latest/windows-i586/javafx2.jnlp"/>
</resources>
<resources>
<j2se version="1.7+" href="http://java.sun.com/products/autodl/j2se"/>
<jar href="http://iddesenvolvimento.com.br/pedidos.jar"  download="eager" main="true" />
</resources>
<applet-desc width="600" height="500" main-class="com.javafx.main.NoJavaFXFallback" name="pedidos" >
<param name="requiredFXVersion" value="7.0+"/>
</applet-desc>
<jfx:javafx-desc width="600" height="500" main-class="b4j\example\main.class" name="pedidos" />
<update check="background"/>
</jnlp>

OBS, i m signed the .jar with auto sign comands

keytool -genkey -keystore chavepet -alias chave
keytool -selfcert -keystore chavepet -alias chave
jarsigner -keystore chavepet pedidos.jar chave

i m will buy the signing certificate from COMODO
http://codesigning.ksoftware.net/

But first i need to know if B4J its compatible with .jnlp files.
@Erel can you help me pls?
can i buy signing certificate and use on my .jar to make .jnlp files?

i dont found tutorials and any question about this on the forum.

exemples of .jnlp

Erel · Oct 29, 2015

Try to set the main class to: anywheresoftware.b4a.keywords.Common

What happens when you click on the link (with security settings set to low)?

Why not create an installer and upload it instead? It will be more reliable and will not depend on a properly installed and configured JRE.

Douglas Farias · Oct 29, 2015

i will try, My client needs in jnlp format.
i think its more easy, only enter on website link, automatic install and done.
and for updates, only send updates for the host, when users enter on link every day the jnlp automatic check for updates and make updates.

i will try what u say thx man

Douglas Farias · Oct 29, 2015

Here the result (can use the link, autimatic will download the .jar but not will run)
http://iddesenvolvimento.com.br/pedir.jnlp

B4X:

<?xml version="1.0" encoding="utf-8"?>
<jnlp spec="1.0" xmlns:jfx="http://javafx.com" href="pedir.jnlp">
<information>
<title>Pedidos Pet</title>
<vendor>pedidos</vendor>
<description>Notificador Pedidos Pet - Alerta o usuário sobre novos pedidos</description>
<offline-allowed/>
</information>
<resources>
<jfx:javafx-runtime version="8.0+" href="http://javadl.sun.com/webapps/download/GetFile/javafx-latest/windows-i586/javafx2.jnlp"/>
</resources>
<resources>
<j2se version="1.7+" href="http://java.sun.com/products/autodl/j2se"/>
<jar href="http://iddesenvolvimento.com.br/pedidos.jar"  download="eager" main="true" />
</resources>
<applet-desc width="600" height="500" main-class="com.javafx.main.NoJavaFXFallback" name="pedidos" >
<param name="requiredFXVersion" value="7.0+"/>
</applet-desc>
<jfx:javafx-desc width="600" height="500" main-class="anywheresoftware.b4a.keywords.Common" name="pedidos" />
<update check="background"/>
</jnlp>

this video show perfect what i need, and the same problem i have, and how to fix, but for me dont work this fix

Note: this video its for a java app without certificate, i will buy the comodo certificate, need only know if this will works with b4j

Erel · Oct 29, 2015

You will need to translate the message...

I haven't tried it myself so I don't know whether it will work or not with a recognized certificate. It will probably work.

Douglas Farias · Oct 29, 2015

http://java.com/en/download/help/jcp_security.xml

here a image like my problem in english

you can try open this
http://iddesenvolvimento.com.br/pedir.jnlp

this is my jnlp and my jar. simple form

video on english too

Erel · Oct 29, 2015

You can add an app to the exception list: http://java.com/en/download/faq/exception_sitelist.xml

Douglas Farias · Oct 29, 2015

yes i m added, but the same msg show
http://iddesenvolvimento.com.br

Erel · Oct 29, 2015

This is what I get when I click on that link:

As I previously wrote I don't think that Java Web Start will be a reliable method to deploy your app. Let the user download a standard installer instead.

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