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  #1 (permalink)  
Old 08-09-2008, 01:24 AM
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Difference between browswer and appletviewer?
So i built an applet that imports a couple other classes and when i go to the command prompt and use 'appletviewer Applet.html' it works fine. But when I actually launch Applet.html it doesnt load the applet and says that the applet is notinited.

The java console says that there is some NoClassDefFoundError's and a ClassNotFoundException (and some nullpointer and security stuff but I think that is a result of this problem). The class that it is looking for is called Client$1 (I have a class called Client.class) but Client$1.class is in the folder but I didn't make it.
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  #2 (permalink)  
Old 08-09-2008, 01:46 AM
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That stuff is important. Please copy and paste all of the java console error messages here.
The Client$1 is an anonymous class that can be generated by the compiler. Be sure to copy all the classes generated by the compiler to the folder where you are trying to load the HTML page with the applet tag.
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Old 08-09-2008, 01:48 AM
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I think the files are all in the right place because the appletviewer can find them..


java.lang.NoClassDefFoundError: Client$1
at Client.<init>(Client.java:20)
at ClientApplet.init(ClientApplet.java:13)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: Client$1
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 java.lang.ClassLoader.loadClassInternal(Unknown Source)
... 4 more
java.net.ConnectException: Connection refused: connect
Exception in thread "Thread-15" java.lang.NullPointerException
at sun.plugin.util.AnimationPanel.createTranslucentIm age(Unknown Source)
at sun.plugin.util.AnimationPanel.createGradientShape Image(Unknown Source)
at sun.plugin.util.AnimationPanel.initBackground(Unkn own Source)
at sun.plugin.util.AnimationPanel.preloadResources(Un known Source)
at sun.plugin.util.AnimationPanel.doPaint(Unknown Source)
at sun.plugin.util.AnimationPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Exception in thread "AWT-EventQueue-3" java.lang.NullPointerException
at Client.processMessage(Client.java:40)
at Client.access$000(Client.java:7)
at Client$1.actionPerformed(Client.java:22)
at java.awt.TextField.processActionEvent(Unknown Source)
at java.awt.TextField.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilter s(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(U nknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarch y(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
java.security.AccessControlException: access denied (java.net.SocketPermission 127.0.0.1:12645 connect,resolve)
at java.security.AccessControlContext.checkPermission (Unknown Source)
at java.security.AccessController.checkPermission(Unk nown Source)
at java.lang.SecurityManager.checkPermission(Unknown Source)
at java.lang.SecurityManager.checkConnect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.<init>(Unknown Source)
at java.net.Socket.<init>(Unknown Source)
at Client.<init>(Client.java:26)
at ClientApplet.init(ClientApplet.java:13)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Exception in thread "Thread-22" java.lang.NullPointerException
at sun.plugin.util.AnimationPanel.createTranslucentIm age(Unknown Source)
at sun.plugin.util.AnimationPanel.createGradientShape Image(Unknown Source)
at sun.plugin.util.AnimationPanel.initBackground(Unkn own Source)
at sun.plugin.util.AnimationPanel.preloadResources(Un known Source)
at sun.plugin.util.AnimationPanel.doPaint(Unknown Source)
at sun.plugin.util.AnimationPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
java.security.AccessControlException: access denied (java.net.SocketPermission 127.0.0.1:12645 connect,resolve)
at java.security.AccessControlContext.checkPermission (Unknown Source)
at java.security.AccessController.checkPermission(Unk nown Source)
at java.lang.SecurityManager.checkPermission(Unknown Source)
at java.lang.SecurityManager.checkConnect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.<init>(Unknown Source)
at java.net.Socket.<init>(Unknown Source)
at Client.<init>(Client.java:26)
at ClientApplet.init(ClientApplet.java:13)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
java.security.AccessControlException: access denied (java.net.SocketPermission 127.0.0.1:12645 connect,resolve)
at java.security.AccessControlContext.checkPermission (Unknown Source)
at java.security.AccessController.checkPermission(Unk nown Source)
at java.lang.SecurityManager.checkPermission(Unknown Source)
at java.lang.SecurityManager.checkConnect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.<init>(Unknown Source)
at java.net.Socket.<init>(Unknown Source)
at Client.<init>(Client.java:26)
at ClientApplet.init(ClientApplet.java:13)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
java.security.AccessControlException: access denied (java.net.SocketPermission 127.0.0.1:12645 connect,resolve)
at java.security.AccessControlContext.checkPermission (Unknown Source)
at java.security.AccessController.checkPermission(Unk nown Source)
at java.lang.SecurityManager.checkPermission(Unknown Source)
at java.lang.SecurityManager.checkConnect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.<init>(Unknown Source)
at java.net.Socket.<init>(Unknown Source)
at Client.<init>(Client.java:26)
at ClientApplet.init(ClientApplet.java:13)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
java.security.AccessControlException: access denied (java.net.SocketPermission 127.0.0.1:12645 connect,resolve)
at java.security.AccessControlContext.checkPermission (Unknown Source)
at java.security.AccessController.checkPermission(Unk nown Source)
at java.lang.SecurityManager.checkPermission(Unknown Source)
at java.lang.SecurityManager.checkConnect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.<init>(Unknown Source)
at java.net.Socket.<init>(Unknown Source)
at Client.<init>(Client.java:26)
at ClientApplet.init(ClientApplet.java:13)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
java.security.AccessControlException: access denied (java.net.SocketPermission 127.0.0.1:12645 connect,resolve)
at java.security.AccessControlContext.checkPermission (Unknown Source)
at java.security.AccessController.checkPermission(Unk nown Source)
at java.lang.SecurityManager.checkPermission(Unknown Source)
at java.lang.SecurityManager.checkConnect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.<init>(Unknown Source)
at java.net.Socket.<init>(Unknown Source)
at Client.<init>(Client.java:26)
at ClientApplet.init(ClientApplet.java:13)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
java.security.AccessControlException: access denied (java.net.SocketPermission 127.0.0.1:12645 connect,resolve)
at java.security.AccessControlContext.checkPermission (Unknown Source)
at java.security.AccessController.checkPermission(Unk nown Source)
at java.lang.SecurityManager.checkPermission(Unknown Source)
at java.lang.SecurityManager.checkConnect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.<init>(Unknown Source)
at java.net.Socket.<init>(Unknown Source)
at Client.<init>(Client.java:26)
at ClientApplet.init(ClientApplet.java:13)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
java.lang.NoClassDefFoundError: Client$1
at Client.<init>(Client.java:20)
at ClientApplet.init(ClientApplet.java:13)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
java.lang.NoClassDefFoundError: Client$1
at Client.<init>(Client.java:20)
at ClientApplet.init(ClientApplet.java:13)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
java.lang.NoClassDefFoundError: Client$1
at Client.<init>(Client.java:20)
at ClientApplet.init(ClientApplet.java:13)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
java.lang.NoClassDefFoundError: Client$1
at Client.<init>(Client.java:20)
at ClientApplet.init(ClientApplet.java:13)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
java.lang.NoClassDefFoundError: Client$1
at Client.<init>(Client.java:20)
at ClientApplet.init(ClientApplet.java:13)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
java.lang.NoClassDefFoundError: Client$1
at Client.<init>(Client.java:20)
at ClientApplet.init(ClientApplet.java:13)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
java.lang.NoClassDefFoundError: Client$1
at Client.<init>(Client.java:20)
at ClientApplet.init(ClientApplet.java:13)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
java.lang.NoClassDefFoundError: Client$1
at Client.<init>(Client.java:20)
at ClientApplet.init(ClientApplet.java:13)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
java.lang.NoClassDefFoundError: Client$1
at Client.<init>(Client.java:20)
at ClientApplet.init(ClientApplet.java:13)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
java.lang.NoClassDefFoundError: Client$1
at Client.<init>(Client.java:20)
at ClientApplet.init(ClientApplet.java:13)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
java.lang.NoClassDefFoundError: Client$1
at Client.<init>(Client.java:20)
at ClientApplet.init(ClientApplet.java:13)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
java.lang.NoClassDefFoundError: Client$1
at Client.<init>(Client.java:20)
at ClientApplet.init(ClientApplet.java:13)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
java.lang.NoClassDefFoundError: Client$1
at Client.<init>(Client.java:20)
at ClientApplet.init(ClientApplet.java:13)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
java.lang.NoClassDefFoundError: Client$1
at Client.<init>(Client.java:20)
at ClientApplet.init(ClientApplet.java:13)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
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  #4 (permalink)  
Old 08-09-2008, 02:03 AM
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Are you running the appletviewer and the browser while in the same folder on the same machine? No server or anything else?
Quote:
Connection refused: connect
Why are you getting the above message? Or the following?????
Quote:
(java.net.SocketPermission 127.0.0.1:12645 connect,resolve)
Looks like there's other software involved.
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  #5 (permalink)  
Old 08-09-2008, 02:13 AM
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Yeah same machine and folder no servers (yet)

The program is an online chat server. I'm running a file (clientapplet.class) that uses client.class and connects to server.class with sockets. Server.class runs continually in the background (it was running when I got this error message) and it distributes the message to all instances of the client applet.

The socket permission thing is accessing myself on a port that i randomly chose.
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Old 08-09-2008, 07:23 AM
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Well I copied the .java files to a new location and recompiled them and now it works... go figure

Thanks for the help Norm


I figured it out if anyone has the same problem - all the files must be in a folder with the same name as the class

Last edited by jklsemicolon : 08-16-2008 at 06:03 AM.
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