customize action block

Hi All

i have created jar file to create my own action block for converting text to xml

my jar file is in C:\j2sdk1.4.2_11\bin\MyAction.jar

this jar file conatins TextToXml.class and XMLParser.png

I am unable to craete jar file with the following path

C:\j2sdk1.4.2_11\bin jar -cvf TextToXml.jar C:\ServletExec AS\se-xMII\webapps\default\Lighthammer\WEB-INF\classes\com\lighthammer\xacute\actions\TextToXml.class

"C:\ServletExec AS\se-xMII\webapps\default\Lighthammer\WEB-INF\classes\com\lighthammer\xacute\actions\resources\icons\XMLParser.png"

then after this how to create key for the jar file

C:\j2sdk1.4.2_11\bin keytool -genkey

Thanks & Regards

Namita