Java Webstart intermittant JAR not updating

Question

We use java Webstart to deploy a java application on our intranet. The application receives frequent updates. Once in awhile a user will launch the application from their de

Answer 1

I've been using the java webstart nextx.jar clone. I traced my not updating JAR issue to the use of the URLConnection.getLastUpdated() method. Since it uses the HEAD method to get the lastUpdated of the filename, this is the reason why sometimes it does not download due to caching of the getLastUpdated(). We decided to use our own method of refreshing our application as webstart is flawed.