Java error when accessing website that require java

Question

I enocuntered the following msg in java console when accessing java enabled website.
I have installed java. using mac os and netscape 7.02.
Java(TM) Plug-in: Version 1.3.1
Using JRE version 1.3.1 Java HotSpot(TM) Client VM
User home directory = /Users/jasmine
no proxy
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
q: hide console
s: dump system properties
t: dump thread list
x: clear classloader cache
0-5: set trace level to <n>
load: class TrustFieldExtApp.class not found.
java.lang.ClassNotFoundException: javax.net.ssl.SSLException: untrusted
server cert chain
          at com.sun.net.ssl.internal.ssl.SSLSocketImpl.a([DashoPro-V1.2-120198])
          at
com.sun.net.ssl.internal.ssl.ClientHandshaker.a([DashoPro-V1.2-120198])
          at
com.sun.net.ssl.internal.ssl.ClientHandshaker.processMessage([DashoPro-
V1.2-120198])
          at
com.sun.net.ssl.internal.ssl.Handshaker.process_record([DashoPro-V1.2-
120198])
          at com.sun.net.ssl.internal.ssl.SSLSocketImpl.a([DashoPro-V1.2-120198])
          at com.sun.net.ssl.internal.ssl.SSLSocketImpl.a([DashoPro-V1.2-120198])
          at
com.sun.net.ssl.internal.ssl.AppOutputStream.write([DashoPro-V1.2-
120198])
          at java.io.OutputStream.write(OutputStream.java:56)
          at
com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake([DashoPro-
V1.2-120198])
          at
com.sun.net.ssl.internal.www.protocol.https.HttpsClient.doConnect([Dasho
Pro-V1.2-120198])
          at
com.sun.net.ssl.internal.www.protocol.https.NetworkClient.openServer([Da
shoPro-V1.2-120198])
          at
com.sun.net.ssl.internal.www.protocol.https.HttpClient.l([DashoPro-
V1.2-120198])
          at
com.sun.net.ssl.internal.www.protocol.https.HttpClient.<init>([DashoPro-
V1.2-120198])
          at
com.sun.net.ssl.internal.www.protocol.https.HttpsClient.<init>([DashoPro
-V1.2-120198])
          at
com.sun.net.ssl.internal.www.protocol.https.HttpsClient.a([DashoPro-
V1.2-120198])
          at
com.sun.net.ssl.internal.www.protocol.https.HttpsClient.a([DashoPro-
V1.2-120198])
          at
com.sun.net.ssl.internal.www.protocol.https.HttpsURLConnection.connect([
DashoPro-V1.2-120198])
          at
com.sun.net.ssl.internal.www.protocol.https.HttpsURLConnection.getInputS
tream([DashoPro-V1.2-120198])
          at
java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:235)
          at sun.applet.AppletClassLoader.getBytes(AppletClassLoader.java:214)
          at sun.applet.AppletClassLoader.access$100(AppletClassLoader.java:37)
          at sun.applet.AppletClassLoader$1.run(AppletClassLoader.java:133)
          at java.security.AccessController.doPrivileged(Native Method)
          at sun.applet.AppletClassLoader.findClass(AppletClassLoader.java:130)
          at
sun.plugin.security.PluginClassLoader.findClass(PluginClassLoader.java:2
69)
          at java.lang.ClassLoader.loadClass(ClassLoader.java:294)
          at sun.applet.AppletClassLoader.loadClass(AppletClassLoader.java:107)
          at java.lang.ClassLoader.loadClass(ClassLoader.java:250)
          at sun.applet.AppletClassLoader.loadCode(AppletClassLoader.java:468)
          at sun.applet.AppletPanel.createApplet(AppletPanel.java:581)
          at sun.plugin.AppletViewer.createApplet(AppletViewer.java:1334)
          at sun.applet.AppletPanel.runLoader(AppletPanel.java:510)
          at sun.applet.AppletPanel.run(AppletPanel.java:288)
          at java.lang.Thread.run(Thread.java:491)

Answer 1

Looks like an certificate class component is missing. Either due to faulty SSL connection, proxy (your side is set as "no proxy"), or more likely something is wrong in either class name or missing the library for it.