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java.lang.NullPointerException at sun.plugin.cache.CachedFileLoader.writeHeaders(CachedFileLoader.java:386) at sun.plugin.cache.CachedFileLoader.createCacheFiles(CachedFileLoader.java:336) at sun.plugin.cache.CachedFileLoader.access$200(CachedFileLoader.java:36) at sun.plugin.cache.CachedFileLoader$3.run(CachedFileLoader.java:269) at java.security.AccessController.doPrivileged(Native Method) at sun.plugin.cache.Cache.privileged(Cache.java:230) at sun.plugin.cache.CachedFileLoader.download(CachedFileLoader.java:267) at sun.plugin.cache.CachedFileLoader.load(CachedFileLoader.java:109) at sun.plugin.cache.FileCache.get(FileCache.java:146) at sun.plugin.net.protocol.http.HttpURLConnection.connectWithCache(HttpURLConnection.java:213) at sun.plugin.net.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:147) at sun.plugin.net.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:361) at sun.net.www.protocol.http.HttpURLConnection.getHeaderField(HttpURLConnection.java:1144) at sun.net.www.protocol.http.HttpURLConnection.getResponseCode(HttpURLConnection.java:1158) at sun.applet.AppletClassLoader.getBytes(AppletClassLoader.java:222) at sun.applet.AppletClassLoader.access$100(AppletClassLoader.java:40) at sun.applet.AppletClassLoader$1.run(AppletClassLoader.java:141) at java.security.AccessController.doPrivileged(Native Method) at sun.applet.AppletClassLoader.findClass(AppletClassLoader.java:138) at sun.plugin.security.PluginClassLoader.findClass(PluginClassLoader.java:189) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.applet.AppletClassLoader.loadClass(AppletClassLoader.java:112) at java.lang.ClassLoader.loadClass(ClassLoader.java:262) at sun.applet.AppletClassLoader.loadCode(AppletClassLoader.java:473) at sun.applet.AppletPanel.createApplet(AppletPanel.java:548) at sun.plugin.AppletViewer.createApplet(AppletViewer.java:1621) at sun.applet.AppletPanel.runLoader(AppletPanel.java:477) at sun.applet.AppletPanel.run(AppletPanel.java:290) at java.lang.Thread.run(Thread.java:536)