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Java Forum / Security / May 2004signed applet, cannot update it with newer code
Hi, I used the following 5 steps to sign an applet: javac SimplePaint.java jar cvf SimplePaint.jar SimplePaint.class keytool -delete -alias SimplePaint keytool -genkey -alias SimplePaint -validity 365 jarsigner SimplePaint.jar SimplePaint After that, I modified the .java code, and did the 5 steps again, but it seems like it was still the old code running, instead of the new one. So is it that I have to "unsign" the old applet first? Or should I close and then open IE browser, instead of just "ctrl+reload"? Thanks! > Hi, > I used the following 5 steps to sign an applet: [quoted text clipped - 10 lines] > So is it that I have to "unsign" the old applet first? Or should I > close and then open IE browser, instead of just "ctrl+reload"? If you haven't opened and closed the browser, the applet is probably being fetched from cache. I've seen applets kept in browser cache even when the html page containing them has been changed and reloaded. I don't think signing is affecting this. --Mike Amling >> After that, I modified the .java code, and did the 5 steps again, but >> it seems like it was still the old code running, instead of the new >> one. see http://mindprod.com/jgloss/caching.html -- Canadian Mind Products, Roedy Green. Coaching, problem solving, economical contract programming. See http://mindprod.com/jgloss/jgloss.html for The Java Glossary. >>> After that, I modified the .java code, and did the 5 steps again, but >>> it seems like it was still the old code running, instead of the new >>> one. IT is a good idea to have the program display a version number you incremented on every compile so you can detect stuck caches or failures to bundle the new code. -- Canadian Mind Products, Roedy Green. Coaching, problem solving, economical contract programming. See http://mindprod.com/jgloss/jgloss.html for The Java Glossary. Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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