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Java exception


 

Hi,
I know this isn't a Java group, but every time I go to open JMRI I get a Java exception has occurred.? As info I uninstalled Java and reinstalled it. I also uninstalled and reinstalled JMRI. Any suggestions?
Thank you,
Jim Pflieger


 

On Mon, Apr 14, 2025 at 11:15 PM, jim_pflieger wrote:
Hi,
I know this isn't a Java group, but every time I go to open JMRI I get a Java exception has occurred.? As info I uninstalled Java and reinstalled it. I also uninstalled and reinstalled JMRI. Any suggestions?
Thank you,
Jim Pflieger
?
What OS?
What version of Java?
What version of JMRI?
etc...
?
You've got to give folks something to go on: ?/g/jmriusers/topic/admin_how_to_ask_your/24915998
?
Steve
"Breezlys"
?
?


 

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Jim

You really need to give more info about your setup to provide a definitive answer, i.e JMRI version and Java version.

However I suspect the cause is that if you are running any JMRI 5.x version then you need to have Java 11 at the very least, and you can now use Java 17 as do I.

You may still be trying to use Java 8 which needs to be completely removed before installing a later Java version.

See for help.

Brian Clark

Bedford UK

On 15/04/2025 05:15, jim_pflieger via groups.io wrote:

Hi,
I know this isn't a Java group, but every time I go to open JMRI I get a Java exception has occurred.? As info I uninstalled Java and reinstalled it. I also uninstalled and reinstalled JMRI. Any suggestions?
Thank you,
Jim Pflieger


 

Open the session.log and place the pertinent logs in reply to this email so we know what error occurred and where.
stevemac