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ASDM fails to load on MacOSX 10.7 running Java version 1.6.0_33


So I have an ASA 5510 running ASDM 6.4(9) and Cisco Adaptive Security Appliance Software Version 8.4(4)1.

I am trying to configure for the first time and I am accessing the ASA via its Management Interface.

I am successfully able to connect to the device and get to the Cisco ASDM 6.4(9) page.

When I try to run the startup wizard, a couple of prompts displays up to the point where the java applet runs and aks me to enter my IP, username and password. As it is a new system, password and username is blank so I enter and I get a message saying "loading software from cache" which later changes to "software Update completed" and then nothing happens.

I am running MacOSX 10.7 Lion, Java version 1.6.0_33.

I did try and run this on a Windows system and i was able to load the interface.

Does anyone have any advice as to what to tweak or change with the java software on my Mac as I imagine this may be the problem?



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Community Member

ASDM fails to load on MacOSX 10.7 running Java version 1.6.0_33


Here's the trace from the java webstart:

Java Web Start 1.6.0_33

Using JRE version 1.6.0_33-b03-424-11M3720 Java HotSpot(TM) 64-Bit Server VM

User home directory = /Users/Femi


c:   clear console window

f:   finalize objects on finalization queue

g:   garbage collect

h:   display this help message

m:   print memory usage

o:   trigger logging

p:   reload proxy configuration

q:   hide console

r:   reload policy configuration

s:   dump system and deployment properties

t:   dump thread list

v:   dump thread stack

0-5: set trace level to


Application Logging Started at Tue Jun 26 12:32:05 WAT 2012


Local Launcher Version = 1.5.55

Local Launcher Version Display = 1.5(55)

OK button clicked

Trying for ASDM Version file; url =

Server Version = 6.4(9)

Server Launcher Version = 1.5.55, size = 757760 bytes

invoking SGZ Loader..

Cache location = /Users/Femi/.asdm/cache

Exception in thread "SGZ Loader: launchSgzApplet" java.lang.IncompatibleClassChangeError: Implementing class

at java.lang.ClassLoader.defineClass1(Native Method)

at java.lang.ClassLoader.defineClassCond(

at java.lang.ClassLoader.defineClass(


at java.lang.ClassLoader.loadClass(




For some strange reason, i am also unable to launch from my web browser. When i get to the point of putting in my username and password, the same behaviour as above is observed. I get the error from the java page and the login just freezes.

Please help as I have to make do with a VM running XP which tends to slow down my Mac.



Community Member

ASDM fails to load on MacOSX 10.7 running Java version 1.6.0_33

I'm having the same or similar issue, I'm afriad. I'm also looking for an answer. The launcher quits after entering the login details.

I don't have easy access to a Windows machine, and this is really holding me up.

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