What is JNLP file in Java?

A JNLP file is created in the Java Network Launching Protocol (JNLP) format. It contains information such as the remote address for downloading a Java program (. JNLP files are used for launching and managing Java programs over a network or on the web.

How do I run a JNLP file in command prompt?

You can start Web Start in a number of different ways.

1. Select a link on a Web page that refers to a . jnlp file.
2. At a shell or command prompt, type: javaws
3. If you have used Java Web Start to open the application in the past, use the Java Application Cache Viewer.

How can I open a JNLP file on my computer?

Here is the tutorial on opening .JNLP file via Java Web Start. Step 1: Right click the JNLP file on your computer and select the Open with option from the prompted menu. Step 2: In the next window, scroll down the options and choose Look for another app on this PC option.

What happens when javaws downloads a JNLP file?

The javaws downloads the files, and then spawns a new JRE process with arguments to the downloaded jnlp file in the /tmp directory. Then the javaws exits, but then the new JRE does not find the file. It seems that during exit the javaws removes the temporary files since it marks the files created with the “deleteOnExit”.

What should I do if my JNLP file is broken?

It might be necessary to move some of the archives to extensions. Better, since that amounts to 143 archives prior to even the broken element, seriously review if you need that plethora of Jars on the run-time class-path of the app. in the first place. It appears to be an huge application to download.

How to fix java jnlp application blocked by security settings?

I fixed this by going into the Java Control Panel (Start Menu > All Programs > Java > Configure Java) and adding two URLs to the Security Edit Site List. I tried to add the item file:/ and worked. And then run the application from command line.