JNLP or Java Network Launch Protocol is a file format that consists of many information like a remote address for downloading your java program and several other applications. These files are mainly used for managing or opening Java apps over a particular network. It is usually available in XML file format. If you want to launch and edit the respective JNLP file on your system’s screen, you just need a text editor with the XML file format. Your PC must have the Java Runtime Environment installed for this task.
While JNLP files are the vital part of Java Web Start technology, it comes in a bundled format with Java Runtime Environment to launch the JNLP files.
Many users reported that JNLP files fail to open on a device while trying to access the same using several attempts. It might have possible that JNLP files fail to detect the necessary software required executing the respective file. Here, we will teach you how to fix JNLP files’ problem fails to open errors.
Opening JNLP Files Right on Your Windows 10
If you want to open JNLP files on your device running on Windows 10, then follow these straightforward steps:
“C:/Program Files/Java/jre/1.8.0_261/bin”
In case the JNLP file still fails to open, proceed with the command line instructions using the next method.
Running JNLP File on Windows Command Line
If you want to run JNLP files via Command Prompt, then follow these steps carefully:
“Javaws <URL>.”
Note: <URL> is the location of .jnlp file in the above-mentioned path.
Opening JNLP Files Automatically
Follow these steps if you want to open JNLP files automatically:
Windows system needs JRE files to execute for opening JNLP files. In case the file is related to other applications, it may create hindrances in opening the same. To launch the respective file, you can use any supportive methods like opening the file using the Command window, using the automatic file opening method, etc.
Source: https://alessiamartine121166276.wordpress.com/2021/03/08/how-to-fix-jnlp-file-not-opening-errors/