Question:
Java Application Error: ClassNotFoundException?
Nick
2012-08-03 19:52:55 UTC
I'm trying to go on a chatroom and I cannot log in because I keep getting the "ClassNotFoundException" error when trying to connect to Java.

It says this:

com.diginet.digichat.client.DigiChatApplet.

And when I click on details, here is the full transcript that shows up:

Java Plug-in 10.5.1.255
Using JRE version 1.7.0_05-b06 Java HotSpot(TM) Client VM
User home directory = C:\Users\Nick
----------------------------------------------------
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
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
----------------------------------------------------
security: property package.access value sun.,com.sun.xml.internal.ws.,com.sun.xml.internal.bind.,com.sun.imageio.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.
security: property package.access new value sun.,com.sun.xml.internal.ws.,com.sun.xml.internal.bind.,com.sun.imageio.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.javaws
security: property package.access value sun.,com.sun.xml.internal.ws.,com.sun.xml.internal.bind.,com.sun.imageio.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.javaws
security: property package.access new value sun.,com.sun.xml.internal.ws.,com.sun.xml.internal.bind.,com.sun.imageio.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.javaws,com.sun.deploy
security: property package.access value sun.,com.sun.xml.internal.ws.,com.sun.xml.internal.bind.,com.sun.imageio.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.javaws,com.sun.deploy
security: property package.access new value sun.,com.sun.xml.internal.ws.,com.sun.xml.internal.bind.,com.sun.imageio.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.javaws,com.sun.deploy,com.sun.jnlp
security: property package.definition value null
security: property package.definition new value com.sun.javaws
security: property package.definition value com.sun.javaws
security: property package.definition new value com.sun.javaws,com.sun.deploy
security: property package.definition value com.sun.javaws,com.sun.deploy
security: property package.definition new value com.sun.javaws,com.sun.deploy,com.sun.jnlp
security: property package.access value sun.,com.sun.xml.internal.ws.,com.sun.xml.internal.bind.,com.sun.imageio.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.javaws,com.sun.deploy,com.sun.jnlp
security: property package.access new value sun.,com.sun.xml.internal.ws.,com.sun.xml.internal.bind.,com.sun.imageio.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.javaws,com.sun.deploy,com.sun.jnlp,org.mozilla.jss
security: property package.definition value com.sun.javaws,com.sun.deploy,com.sun.jnlp
security: property package.definition new value com.sun.javaws,com.sun.deploy,com.sun.jnlp,org.mozilla.jss
basic: Added progress listener: sun.plugin.util.ProgressMonitorAdapter@12d2ae8
basic: Plugin2ClassLoader.addURL parent called for http://199.188.244.59/DigiChat/DigiClasses/Client.jar
network: Connecting http://199.188.244.59/DigiChat/DigiClasses/Client.jar with proxy=DIRECT
network: Connecting http://199.188.244.59:80/ with proxy=DIRECT
network: Connecting http://199.188.244.59/DigiChat/DigiClasses/Client.jar with proxy=DIRECT
network: Connecting http://199.188.244.59:80/ with proxy=DIRECT
java.net.ConnectException: Connection timed out: connect

And more, but it's too long to post. Does anyone have any idea what I can do to fix this or why I am having this problem? Java seems to be running fine with everything else. For some reason, it just isn't running on this.
Four answers:
?
2012-08-03 19:54:54 UTC
Nothing you can do to fix it. The JAR file the site is using is effed up.
pettey
2016-12-31 21:02:24 UTC
Java Error Classnotfoundexception
2016-10-14 11:31:10 UTC
Application Error Classnotfoundexception
Jared
2012-08-03 20:44:58 UTC
I really have no idea, but here are two guesses:



1) You don't have the latest version of Java and this program is using a newer version than what you currently have installed (if this is the problem then attempt to download the latest version, I would google: "java plugin" or something).



2) It gives a Connection timed out: connect error at the bottom. This should mean that it was unable to acquire a connection...basically it sent out a request, never heard a response--sent another one, didn't hear back and did this several times before finally giving up and giving you the error message.



If 2) is really the problem, then most likely the server you are trying to connect to isn't running right now or you have the wrong IP information. You can try again later (did it used to work???) to see if the server has come online or you can contact the content provider to make sure your software is up-to-date--maybe the IP address has changed and you need updated software that has the new IP address.


This content was originally posted on Y! Answers, a Q&A website that shut down in 2021.
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