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Problem in Signing the Jar Files

Mark Henryson
Ranch Hand

Joined: Jul 11, 2005
Posts: 200
Hi all,
How to sign the Jar File?
I have a JAR File by name hello.jar. I am following the steps given for signing the jar in JAVA SITE http://www.iam.ubc.ca/guides/javatut99/jar/sign/signing.html.

When I have used the following command to jar, i have encountered error:

And also what is keystore, keypass and storepass, alias. how to get this things to use:
jarsigner -keystore mykeys -storepass abc123
-keypass mypass app.jar johndoe
subject: Problem in Signing the Jar Files
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