CW2000 , Devicemanager

Unanswered Question
Feb 28th, 2007

When we select ?add packages? and start the update we see a CCO connection being made but then

with staging Area Contents we get following message:


JRun Servlet Error


java.lang.ClassFormatError: com/cisco/nm/dsu/pkgs/SwitchAddlets/PkgDescr

(Truncated class file)

What kind of problem is this ??



I have this problem too.
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frankzehrer Wed, 02/28/2007 - 05:46

Hi Dirk,

what java version are you using??

open a DOS-Box and post the output of java -version.

Btw. IE7 seems not to be supported!!

Do you have any popup blocker or something like this activated?

Best regards,


dvanhoyweghen Mon, 03/05/2007 - 06:50

Hi Frank ,

thanks for your response.

the version of Java Plug-in : 1.4.1_02

IE 6 is used



Joe Clarke Wed, 02/28/2007 - 09:16

This looks like a problem with either your current SwitchAddlets package, or the one downloaded from How much disk space is left for the file system into which CiscoWorks is installed?

dvanhoyweghen Mon, 03/05/2007 - 07:21

Mr Clarke,

Where can I see the current SWitchaddlets package in my CW ?



Joe Clarke Mon, 03/05/2007 - 14:36

The SwitchAddlets package must appear in two places. The packages must be identical. The two locations are NMSROOT/www/classpath/com/cisco/nm/cvw/devpkgs/ and NMSROOT/www/classpath/com/cisco/nm/dsu/pkgs/

dvanhoyweghen Mon, 03/05/2007 - 08:02

Mr Clark,

what do You mean about the disk space , is that the total space of the server that is left ???




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