je veux déployer une application en utilisant le java web start mais quand je veux lancer mon programme via une page web j'aurai les exceptions suivantes:
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com.sun.deploy.net.FailedDownloadException: Impossible de charger la ressource : <a href="http://localhost:8080/starjavapos.jnlp" target="_blank">http://localhost:8080/starjavapos.jnlp</a>
	at com.sun.deploy.net.DownloadEngine.actionDownload(Unknown Source)
	at com.sun.deploy.net.DownloadEngine.getCacheEntry(Unknown Source)
	at com.sun.deploy.net.DownloadEngine.getResourceCacheEntry(Unknown Source)
	at com.sun.deploy.net.DownloadEngine.getResourceCacheEntry(Unknown Source)
	at com.sun.deploy.net.DownloadEngine.getResource(Unknown Source)
	at com.sun.deploy.net.DownloadEngine.getResource(Unknown Source)
	at com.sun.javaws.Launcher.updateFinalLaunchDesc(Unknown Source)
	at com.sun.javaws.Launcher.prepareToLaunch(Unknown Source)
	at com.sun.javaws.Launcher.launch(Unknown Source)
	at com.sun.javaws.Main.launchApp(Unknown Source)
	at com.sun.javaws.Main.continueInSecureThread(Unknown Source)
	at com.sun.javaws.Main$1.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)
voici mon fichier .jnlp:
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<?xml version="1.0" encoding="UTF-8"?>
 
<jnlp spec="1.0+" codebase="http://localhost:8080" href="starjavapos.jnlp">
<!-- jnlp tag comment : change the codebase attribute to point to your server and the href attribute to point to your jnlp file -->
 
    <information>
    <!-- information tag comment - change the below information to describe your application, anything is OK -->
 
        <title>StarJavaPOS</title>
        <vendor>Star Micronics</vendor>
        <homepage href="starjavapos-jnlp.html"/>
        <description>StarJavaPOS - Java Web Start Example</description>
        <description kind="short">StarJavaPOS-JWS</description>
 
        <offline-allowed/>
        <!-- offline tag comment : if this tag is present then this application is allowed to be executed from the local cache without an internet connection -->
 
    </information>
 
    <security>
    <!-- security tag comment : this tag is required because StarJavaPOS needs communications port access  -->
 
        <all-permissions/>
    </security>
 
    <resources>
        <!-- resources tag comment : list all JAR files required for your application here (the ones listed below are required for StarJavaPOS) -->
 
        <j2se version="1.4+"/>
        <!--j2se tag comment : specify the J2SE version required for your application -->
 
        <jar href="javapos-registry_signed.jar"/>
		<jar href="jcl_signed.jar"/>
		<jar href="jpos17-controls_signed.jar"/>
		<jar href="jpos1122_signed.jar"/>
		<jar href="jpos1122-controls_signed.jar"/>
		<jar href="jpos_signed.jar"/>
		<jar href="POSPrinterService_signed.jar"/>
		<jar href="starjavapos_signed.jar"/>    
        <jar href="xercesimpl_signed.jar"/>
        <jar href="xml-apis_signed.jar"/>
 
 
 
 
 
    </resources>
 
    <resources os="Windows">
    <!-- resources tag comment : this tag specifies those additional JAR files required when this application is run on a Windows computer (primarily DLLs) -->
 
        <nativelib href="star-windows-libs_signed"/>
    </resources>
 
    <resources os="Linux" arch="i386">
    <!-- resources tag comment : this tag specifies those additional JAR files required when this application is run on a Linux computer (primarily SOs) -->
 
        <nativelib href="star-linux-libs_signed"/>
    </resources>
 
    <resources os="Mac OS X" arch="ppc">
    <!-- resources tag comment : this tag specifies those additional JAR files required when this application is run on a Mac computer (primarily JNILIBs) -->
 
        <nativelib href="star-mac-libs_signed"/>
    </resources>
 
    <application-desc main-class="fr.application.impression.jpos.StarReceiptTest"/>
    <!-- application desc tag comment : this tag specifies the package and class name of your application's Main Class  -->
 
</jnlp>
merci pour votre aide