java.io.IOException

Unable to tunnel through proxy. Proxy returns "HTTP/1.1 407 Proxy Authentication Required ( The ISA Server requires authorization to fulfill the request. Access to the Web Proxy service is denied. )"

Samebug tips1

Check if you didn't set RequestProperty Content-Type to the wrong type or if you're trying to send the wrong file to the server.

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Solutions on the web25550

  • Unable to tunnel through proxy. Proxy returns "HTTP/1.1 407 Proxy Authentication Required ( The ISA Server requires authorization to fulfill the request. Access to the Web Proxy service is denied. )"
  • via hivmr.com by Unknown author, 1 year ago
    Unable to tunnel through proxy. Proxy returns "HTTP/1.1 407 Proxy Authentication Required ( The ISA Server requires authorization to fulfill the request. Access to the Web Proxy service is denied. )"
  • via oracle.com by Unknown author, 1 year ago
    Unable to tunnel through proxy. Proxy returns "HTTP/1.1 407 Proxy Authentication Required ( The ISA Server requires authorization to fulfill the request. Access to the Web Proxy service is denied. )"
  • Stack trace

    • java.io.IOException: Unable to tunnel through proxy. Proxy returns "HTTP/1.1 407 Proxy Authentication Required ( The ISA Server requires authorization to fulfill the request. Access to the Web Proxy service is denied. )" at sun.net.www.protocol.http.HttpURLConnection.doTunneling(Unknown Source) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.setProxiedClient(Unknown Source) at sun.net.www.protocol.https.PluginDelegateHttpsURLConnection.superConnect(Unknown Source) at sun.net.www.protocol.https.PluginDelegateHttpsURLConnection.access$000(Unknown Source) at sun.net.www.protocol.https.PluginDelegateHttpsURLConnection$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at sun.net.www.protocol.https.PluginDelegateHttpsURLConnection.connect(Unknown Source) at sun.net.www.protocol.https.PluginDelegateHttpsURLConnection.getInputStream(Unknown Source) at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(Unknown Source) at sun.plugin.net.protocol.http.HttpUtils.followRedirects(Unknown Source) at sun.plugin.cache.CachedJarLoader.download(Unknown Source) at sun.plugin.cache.CachedJarLoader.load(Unknown Source) at sun.plugin.cache.JarCache.get(Unknown Source) at sun.plugin.net.protocol.jar.CachedJarURLConnection.connect(Unknown Source) at sun.plugin.net.protocol.jar.CachedJarURLConnection.getJarFile(Unknown Source) at sun.misc.URLClassPath$JarLoader.getJarFile(Unknown Source) at sun.misc.URLClassPath$JarLoader.<init>(Unknown Source) at sun.misc.URLClassPath$3.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at sun.misc.URLClassPath.getLoader(Unknown Source) at sun.misc.URLClassPath.getLoader(Unknown Source) at sun.misc.URLClassPath.getResource(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at sun.applet.AppletClassLoader.findClass(Unknown Source) at sun.plugin.security.PluginClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.applet.AppletClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.applet.AppletClassLoader.loadCode(Unknown Source) at sun.applet.AppletPanel.createApplet(Unknown Source) at sun.plugin.AppletViewer.createApplet(Unknown Source) at sun.applet.AppletPanel.runLoader(Unknown Source) at sun.applet.AppletPanel.run(Unknown Source) at java.lang.Thread.run(Unknown Source)

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