I want to display an applet within the jsp. The applet shows a graph which plotsthe value dynamically. I used the following code in my jsp. It gives me following error. Java Plug-in 1.5.0_06 Using JRE version 1.5.0_06 Java HotSpot(TM) Client VM User home directory = C:\Documents and Settings\282154 ---------------------------------------------------- c: clear console window f: finalize objects on finalization queue g: garbage collect h: display this help message l: dump classloader list m: print memory usage o: trigger logging p: reload proxy configuration q: hide console r: reload policy configuration s: dump system and deployment properties t: dump thread list v: dump thread stack x: clear classloader cache 0-5: set trace level to ---------------------------------------------------- load: class app.JavaApplet.class not found. java.lang.ClassNotFoundException: app.JavaApplet.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 in thread "Thread-8" java.lang.NullPointerException at sun.plugin.util.GrayBoxPainter.showLoadingError(Unknown Source) at sun.plugin.AppletViewer.showAppletException(Unknown Source) at sun.applet.AppletPanel.runLoader(Unknown Source) at sun.applet.AppletPanel.run(Unknown Source) at java.lang.Thread.run(Unknown Source) java.lang.NullPointerException at sun.plugin.util.GrayBoxPainter.showLoadingError(Unknown Source) at sun.plugin.AppletViewer.showAppletStatus(Unknown Source) at sun.applet.AppletPanel.run(Unknown Source) at java.lang.Thread.run(Unknown Source) Exception in thread "thread applet-app.JavaApplet.class" java.lang.NullPointerException at sun.plugin.util.GrayBoxPainter.showLoadingError(Unknown Source) at sun.plugin.AppletViewer.showAppletException(Unknown Source) at sun.applet.AppletPanel.run(Unknown Source) at java.lang.Thread.run(Unknown Source) load: class app.JavaApplet.class not found. java.lang.ClassNotFoundException: app.JavaApplet.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 in thread "Thread-7" java.lang.NullPointerException at sun.plugin.util.GrayBoxPainter.showLoadingError(Unknown Source) at sun.plugin.AppletViewer.showAppletException(Unknown Source) at sun.applet.AppletPanel.runLoader(Unknown Source) at sun.applet.AppletPanel.run(Unknown Source) at java.lang.Thread.run(Unknown Source) java.lang.NullPointerException at sun.plugin.util.GrayBoxPainter.showLoadingError(Unknown Source) at sun.plugin.AppletViewer.showAppletStatus(Unknown Source) at sun.applet.AppletPanel.run(Unknown Source) at java.lang.Thread.run(Unknown Source) Exception in thread "thread applet-app.JavaApplet.class" java.lang.NullPointerException at sun.plugin.util.GrayBoxPainter.showLoadingError(Unknown Source) at sun.plugin.AppletViewer.showAppletException(Unknown Source) at sun.applet.AppletPanel.run(Unknown Source) at java.lang.Thread.run(Unknown Source) My applet works fine when i use it in HTML page . So i also tried embedding it in jsp using following code. A Simple Program Here is the output of my program:"); %> This also gives me the same error.