Security error

David Ben Eliahu

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Apr 18, 2013, 5:41:00 PM4/18/13

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Hi all

I got this erro message when loading the jzebra applet

uncaught exception: Liveconnect call for Applet ID 6 is not allowed in this JVM instance

any Ideas ? it worked perfectly some tim ago

this is happaning to many of my customers

Regards

David

Tres Finocchiaro

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Apr 18, 2013, 5:43:49 PM4/18/13

to jZebra users

This is caused by the latest java update. You can rollback to an older version or wait for a workaround to be released.

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capp...@yahoo.com

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Apr 18, 2013, 6:06:27 PM4/18/13

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Hi Tres,

Do you know that whether this happens with signed applets?

Bahadir

From: Tres Finocchiaro <tres.fin...@gmail.com>
To: jZebra users <jzebra...@googlegroups.com>
Sent: Friday, 19 April 2013, 0:43
Subject: Re: [jZebra] Security error

Tres Finocchiaro

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Apr 18, 2013, 10:07:37 PM4/18/13

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Bahadir,

Do you know that whether this happens with signed applets?

I do not know. As you are well aware, jzebra is signed using a self-generated certificate. I will attempt to generate a new one tonight to see if it is related to the default keystore used.

I would be willing to use a trusted signature, but I do not own one and obtaining one is expensive.

It requires a change to the PC, but a temporary work-around is located here:

https://code.google.com/p/jzebra/issues/detail?id=126#c10

-Tres

- Tres.Fin...@gmail.com

capp...@yahoo.com

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Apr 18, 2013, 10:28:57 PM4/18/13

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Hello Tres,

I don't know why but our javascript caller from applet works with JSObject class (with a signed applet), although the netscape.*, netscape.javascript.* classes are deprecated now. I think it still is not removed. Maybe it helps for a quick workaround but I am sure on the next update they'll remove it to annoy me even further :)

Bahadir

From: Tres Finocchiaro <tres.fin...@gmail.com>
To: jzebra...@googlegroups.com
Sent: Friday, 19 April 2013, 5:07

Tres Finocchiaro

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Apr 18, 2013, 10:32:34 PM4/18/13

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Bahadir,

Are you on Java 7 u21? If so, would you be willing to test a fix for me?

-Tres

capp...@yahoo.com

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Apr 18, 2013, 10:54:08 PM4/18/13

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Hello Tres,

Yes I have 1.7.21. I can test it.

Bahadir

From: Tres Finocchiaro <tres.fin...@gmail.com>
To: jzebra...@googlegroups.com

Sent: Friday, 19 April 2013, 5:32

Tres Finocchiaro

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Apr 18, 2013, 11:04:01 PM4/18/13

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https://jzebra.googlecode.com/files/jZebra_1.4.7.zip

PDF is broken, but the rest should work again.

-Tres

capp...@yahoo.com

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Apr 18, 2013, 11:16:43 PM4/18/13

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Hello Tres,

It works, here is the output of Java Console:

Java Plug-in 10.21.2.11

Using JRE version 1.7.0_21-b11 Java HotSpot(TM) Client VM

User home directory = C:\Users\PlatinDev

----------------------------------------------------

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 <n>

----------------------------------------------------