Launching Web Start applications

August 31, 2015 | 1 minute read
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Java applications can be distributed to clients through download capabilities like Applet and Web Start. These applications are delivered to users through web browsers, allowing for convenient access on client systems.

Web Start applications can be launched from any web browser by opening the application’s JNLP file. Once opened, these applications no longer rely on browser plugins or integrations. Instructions for launching JNLP files can be located in "What is Java Web Start and how is it launched" on In short, this involves associating the .jnlp file association with Java’s javaws command.

Desktop Administrators can control Web Start dialogs/prompts by using Deployment Rule Sets (DRS). This DRS feature enabled administrators to create an application whitelist that can control execution of known-safe applications as well as manage compatibility between different versions of Java on the same system.

System Administrators can use the Java Advanced Management Console to track Java usage within their organization, identifying Applet, Web Start, and other Java application types. This usage tracking enables them to identify which versions of Java are used by which applications, and create Deployment Rule Sets to manage compatibility between versions.

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