Re: Java JRE Mixed Code Security starting with JRE 1.6.0_19 and on

Hi,
Can you please share how you added 3rd party jars to manifest.mf. I am having same problem but I am self - signing 3rd party jars. 3rd party jars are able to upload fine if I don't sign the jars,
but if I self -sign the jars I get the following exception:
Exception in thread "Thread-15" java.lang.NoClassDefFoundError: com/l2fprod/common/swing/JDirectoryChooser
     at com.sjm.pcs.sneakernet.applet.ScanApplet$JavaScriptEventListener.run(ScanApplet.java:803)
     at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: com.l2fprod.common.swing.JDirectoryChooser
     at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader.loadClass0(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
     at java.lang.ClassLoader.loadClass(Unknown Source)
Thanks!

What are you missing?
I inherited this app and signing the third party jars is how it was setup, I was wondering the same thing too, why was it necessary to sign the third party jars?
The applet runs in either JRE 1.6.0_13 or JRE 1.6.0_27 depending on the other Java apps the user uses. JRE 1.6.0_13 does not have the mixed code security (so it is like is disable), but JRE 1.6.0_27 does have the mixed code security and the applet will not launch with mixed code security enable, so we have to disable it. With all the hacking going on in the last two years, is important to improve security; so this is a must.
Yes, I always clear up the cache.
Any idea on how to resolve this problem?

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Abbreviated Java Console output:
Java Plug-in 1.6.0_26
Using JRE version 1.6.0_26-b03-384-10M3425 Java HotSpot(TM) 64-Bit Server VM
load: class ZeroApplet.class not found.
java.lang.ClassNotFoundException: ZeroApplet.class
    at sun.applet.AppletClassLoader.findClass(AppletClassLoader.java:211)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
    at sun.applet.AppletClassLoader.loadClass(AppletClassLoader.java:144)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
    at sun.applet.AppletClassLoader.loadCode(AppletClassLoader.java:662)
    at sun.applet.AppletPanel.createApplet(AppletPanel.java:807)
    at sun.plugin.AppletViewer.createApplet(AppletViewer.java:2389)
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    at sun.applet.AppletPanel.run(AppletPanel.java:368)
    at java.lang.Thread.run(Thread.java:680)
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    at sun.applet.AppletClassLoader.findClass(AppletClassLoader.java:211)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
    at sun.applet.AppletClassLoader.loadClass(AppletClassLoader.java:144)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
    at sun.applet.AppletClassLoader.loadCode(AppletClassLoader.java:662)
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    at sun.applet.AppletPanel.runLoader(AppletPanel.java:714)
    at sun.applet.AppletPanel.run(AppletPanel.java:368)
    at java.lang.Thread.run(Thread.java:680)

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Re: Java JRE Mixed Code Security starting with JRE 1.6.0_19 and on

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