i have an jnlp application which i need to sign before putting it on the server to be used.everytime i used to sign the jar file it used to say,the sign will expire after 6 months.atlast since yesterday it says the sign has expired,then for test purpose i used that jar and it worked in jnlp application.is it alright if i continue to use my old key to sign or i need to again sign all the jar files i am using in my application with a new key.is there any software or application i can use to sign all the jar files.i have around 20 jar files and it becomes a tediuos job to sign all these jars.please help
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