IcedTea javaws file execution error

Asked by Gana

I have a .jnlp file that works on my windows machine, however with Ubuntu after running the below command

>> javaws {}

IcedTea loads the file until an error message arises:

> class
> javax.swing.event.EventListenerList; local class incompatible: stream classdesc serialVersionUID = -5677132037850737084, local
> class serialVersionUID = -7977902244297240866

I am running a java version:
- java-1.11.0-openjdk-amd64
- openjdk version "11.0.10" 2021-01-19
- OpenJDK Runtime Environment (build 11.0.10+9-Ubuntu-0ubuntu1.20.10)
- OpenJDK 64-Bit Server VM (build 11.0.10+9-Ubuntu-0ubuntu1.20.10, mixed mode, sharing)

I am not sure how I can solve that error problem.

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actionparsnip (andrew-woodhead666) said :

Does it require Oracle Java? There are differences. Some applications need the Oracle Java solution to work

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Gana (gdubs) said :

Hi Andrew,
Yes, I confirmed with the windows startup process, it uses Oracle Java.
So there is a Oracle Java installation guide.

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Gana (gdubs) said :

According to:
In March 2018, Oracle announced it will not include Java Web Start in Java SE 11 (18.9 LTS) and later. Developers will need to transition to other deployment technologies.

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