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May 20 2012

Java has discovered application components that could indicate a security concern

Category: Administration,Business ObjectsTauseef @ 10:18 pm

Scenario :-

When accessing any application that embeds links, such as InfoView Portal, the warning “Java has discovered application components that could indicate a security concern” pops up. Clicking “No” will allow the applet to load. “Yes” will block the applet from running.


Resolution :-

What causes this ?

A change in the Java security model starting in 1.6.0_19 will warn the user if there is a mix of code when loading an applet (this is true of Sametime or any other product utilizing mixed code).
See http://www.java.com/en/download/help/error_mixedcode.xml for more information on the security changes.
When the stlinks applet loads there are two pieces of content that are loading, the stlinks.jar and the DebugLevel.class file. In a default install the stlinks.jar file is unsigned and the warning will not appear. However if the unsigned jar has been replaced with the signed stlinks.jar, Java will pop up the warning, since DebugLevel.class is not signed and the stlinks.jar is signed this meets the mixed code condition.


In order to fix the warning screen from alerting you. we can change the java setting to hide the message box.

1. When you see the warning pop up Right Click on the Java icon  located on the bottom right hand corner of your screen  and select Java Control Panel.

2. Click on the Advanced Tab on the Java Control Panel.

3. Expand the Security node and expand Mixed code (Sandbox vs trusted) security verfication as shown below











4. Select Option Enable – hide warning and run with protections and click “OK”.

you are all set and should not see the warning box again.


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