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Java Forum / First Aid / March 2005Help Running Java Ap
I hope I can post this kind of question here. I'm having trouble running a java ap over the internet but not when connected to the server on the lan. The basic error is class not found. I hope there is a clue to why I can't run this ap over the internet in this trace of the java console: Thankx for any help Trace level set to 5: basic, net, security, ext, liveconnect ... completed. Stopping applet ... Joining applet thread ... Destroying applet ... Disposing applet ... Quiting applet ... Joined applet thread ... Unregistered modality listener Finding information ... Releasing classloader: sun.plugin.ClassLoaderInfo@e2892b, refcount=0 Caching classloader: sun.plugin.ClassLoaderInfo@e2892b Current classloader cache size: 1 Done ... Registered modality listener Invoking JS method: document Invoking JS method: URL Referencing classloader: sun.plugin.ClassLoaderInfo@e2892b, refcount=1 Loading applet ... Initializing applet ... Starting applet ... Connecting http://208.51.57.70:8080/webvisu.jar with no proxy Downloading http://208.51.57.70:8080/webvisu.jar to cache Connecting http://208.51.57.70:8080/minml.jar with no proxy Cached copy of http://208.51.57.70:8080/minml.jar is out of date Cached copy: Dec 31, 1600 6:03:11 PM Server copy: Dec 31, 1600 6:04:58 PM Downloading http://208.51.57.70:8080/minml.jar to cache Cached file name: minml.jar-445586e-40af6c6e.zip Connecting http://208.51.57.70:8080/webvisu/WebVisu.class with no proxy Connecting http://208.51.57.70:8080/webvisu/WebVisu/class.class with no proxy load: class webvisu/WebVisu.class not found. java.lang.ClassNotFoundException: webvisu.WebVisu.class at sun.applet.AppletClassLoader.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) Caused by: java.io.IOException: open HTTP connection failed. at sun.applet.AppletClassLoader.getBytes(Unknown Source) at sun.applet.AppletClassLoader.access$100(Unknown Source) at sun.applet.AppletClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) ... 10 more Exception: java.lang.ClassNotFoundException: webvisu.WebVisu.class java.lang.ClassNotFoundException: webvisu.WebVisu.class at sun.applet.AppletClassLoader.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) Caused by: java.io.IOException: open HTTP connection failed. at sun.applet.AppletClassLoader.getBytes(Unknown Source) at sun.applet.AppletClassLoader.access$100(Unknown Source) at sun.applet.AppletClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) ... 10 more  SignaturenOrM ==== nOrM=Norman Dziedzic Jr. njdjr@sbcglobal.net Hi! If i correct interpret it, you would like to access webvisu/WebVisu.class from the internet... I tried to connect to 208.51.57.70 on port 8080 with telnet to see, whether the port is open. But telnet doesn't work ("connection refused"). Then checking with nmap -p 8080 208.51.57.70 .But nmap says, port 8080 is closed. Is it possible, that there is a proxy, or firewall, that blocks any connection on port 8080, coming from the internet? > I hope I can post this kind of question here. I'm having trouble running a > java ap over the internet but not when connected to the server on the lan. [quoted text clipped - 132 lines] > > ... 10 more I have the same problem. The visualisation works on the local network but does not work over a Virtual Private Network (VPN) connection. I get the basic web page but no picture and a error relation to the webvisu class. Has anyone got any ideas? Did you manage to solve this problem as I am experiencing the same problem Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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