Up until recently, I was able to launch/open JNLP files in Firefox using Java web start.
Don't know what happened all of a sudden JNLP files stopped launching, a splash screen appears saying Java Starting... and then nothing happens. …
OS: Windows 7 64 bit
Java: jdk1.7.0_51
I have a jnlp file. When I double click on this, exception is occurred as below:
Application Error: Unable to launch the application
Exception: java.lang.SecurityException: Missing required Permissions manifest attribute in main jar
With the recent Java updates, many people are having trouble with their Java Web Start apps lacking Codebase, Permissions, and Application-name manifest attributes. Although there are resources out there to help you accomplish this, I couldn't find any comprehensive answers …