Whenever I try to launch any JNLP-file in my browser, I get the following error:
java.lang.NullPointerException
at java.util.StringTokenizer.<init>(Unknown Source)
at java.util.StringTokenizer.<init>(Unknown Source)
at com.sun.deploy.net.proxy.NSPreferences.parseList(Unknown Source)
at com.sun.deploy.net.proxy.NSPreferences.parseFile(Unknown Source)
at com.sun.deploy.net.proxy.WFirefoxProxyConfig.getBrowserProxyInfo(Unknown Source)
at com.sun.deploy.net.proxy.WDefaultBrowserProxyConfig.getBrowserProxyInfo(Unknown Source)
at com.sun.deploy.net.proxy.DynamicProxyManager.reset(Unknown Source)
at com.sun.deploy.net.proxy.DeployProxySelector.reset(Unknown Source)
at com.sun.javaws.Main.initializeExecutionEnvironment(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)
any help is highly appreciated.