File APIs for Java Developers
Manipulate DOC, XLS, PPT, PDF and many others from your application.
The moose likes Applets and the fly likes applet security exception Big Moose Saloon
  Search | Java FAQ | Recent Topics | Flagged Topics | Hot Topics | Zero Replies
Register / Login
JavaRanch » Java Forums » Java » Applets
Bookmark "applet security exception" Watch "applet security exception" New topic

applet security exception

Arjun Shastry
Ranch Hand

Joined: Mar 13, 2003
Posts: 1874
I am trying to run the applet(JApplet) from browser.I am using NetBeans hence including "swing-layout-1.0.3.jar". From NetBeans I am able to run the applet.But in browser,I am getting an exception. In HTML, I am writing this-

I am getting the following exception-

Do I need to change java.policy file in JRE directory? If yes, what should I add in it?


Ulf Dittmer

Joined: Mar 22, 2005
Posts: 41108
It's probably easier to sign the applet, especially if you expect other people to use it as well. See for more information on both approaches; it also contains an example of the PropertyPermission required here.

Ping & DNS - my free Android networking tools app
Arjun Shastry
Ranch Hand

Joined: Mar 13, 2003
Posts: 1874
Thanks. Using keytool and jarsigner command I created keystore and certificate and was able to create Signed applet.
But when I run the applet in the browser, I am getting the same error-

I have set the contents of java.policy (jre/lib/security directory) like this-

Arjun Shastry
Ranch Hand

Joined: Mar 13, 2003
Posts: 1874
Problem was with native implementation(of Tibco) than permission of Applet.
wood burning stoves
subject: applet security exception
Similar Threads
Applet throwing exception when running it through web browser
Getting error while displaying tif image in applet through browser.
WAMP/Java/MysqlConnector Issue
Run JAR file in Applet
NoClassDefFoundError: with GroupLayout