Java Web Start TroubleshootingJava Web Start works smoothly for most users, still the following sections address some issues that may possibly arise. Let us know if you encounter any problems.
Java Web Start provides a platform-independent and secure deployment technology. It allows users to start Java applications from a web server. Java Web Start works with any browser. It also makes sure that the application is always on the latest version.
To run applications from the RCSB web site you need to have at least Java 1.7 installed.
- Make sure you have Java installed
- Update your Java to the latest version. (see links above)
- Make sure you have Java installed.
- In Firefox click on Tool and then Options.
- Click on the Application tabs.
- Scroll down the list until you find content type: JNLP File. The select the action Use Java Webstart Launcher.
- Download the .jnlp file
- Display the file in Finder
- right click on it
- right click on the file => Get Info
- Open With should show Java Web start. If not, please select it and also click "change all"
- If you can't find Java Web start on your system, depending on your Java version it is either in
/System/Library/CoreServices/Java Web Start.appor
/Applications/Utilities/Java/Java Web Start
- Make sure you have the latest version of Java installed (see above).
- Are not doing anything harmful or hidden on your system.
- Have been compiled by our developmental team
- Are available as open source so you can check the source code.
- In the window, click on Open with, select the javaws executable ( depending on your operating system, the name can be different) and press OK.
- If the Open with option does not display the Java Web Start executable, you must map the .jnlp file to Java Web Start manually.
- Open the Firefox preferences, go to the Applications tab.
- Map the mime-type
application/x-java-jnlp-fileto the javaws executable.