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Getting latest decoder definitions vs. JMRI release vs. Java version


 

Am I right in believing that latest decoder definitions are available ONLY in the most recent release of JMRI?
Although my PC is no dinosaur, I am told that Java 8 is the latest version it will handle, and that in turn restricts me to JMRI 4.2.6 and, for example, I am unable to get definitions for Digitrax SDH167D; the nearest my JMRI offers is SDH164D.
If there's a way around this, do please tell.
New Year Felicitations
?


 

Could you tell us a little bit more about your PC?

Oracle’s Java 11 might not support your PC, but the Java 11 from some other vendors go back quite far:



Bob


On Jan 8, 2025, at 11:39?AM, Ian W via groups.io <ian@...> wrote:

Am I right in believing that latest decoder definitions are available ONLY in the most recent release of JMRI?
Although my PC is no dinosaur, I am told that Java 8 is the latest version it will handle, and that in turn restricts me to JMRI 4.2.6 and, for example, I am unable to get definitions for Digitrax SDH167D; the nearest my JMRI offers is SDH164D.
If there's a way around this, do please tell.
New Year Felicitations

Bob Jacobsen
rgj1927@...


 

I'm running Azuls JAVA 17 on Windows 8 if that helps.....

Phil G

On 08/01/2025 16:47, Bob Jacobsen via groups.io wrote:
Could you tell us a little bit more about your PC?

Oracle’s Java 11 might not support your PC, but the Java 11 from some other vendors go back quite far:



Bob


On Jan 8, 2025, at 11:39?AM, Ian W via groups.io <ian@...> wrote:

Am I right in believing that latest decoder definitions are available ONLY in the most recent release of JMRI?
Although my PC is no dinosaur, I am told that Java 8 is the latest version it will handle, and that in turn restricts me to JMRI 4.2.6 and, for example, I am unable to get definitions for Digitrax SDH167D; the nearest my JMRI offers is SDH164D.
If there's a way around this, do please tell.
New Year Felicitations

Bob Jacobsen
rgj1927@...








 

Phil,
That's the one you want to be running right now. It's the recommended version.


On Wed, Jan 8, 2025 at 9:50?AM Phil G via <phil=[email protected]> wrote:
I'm running Azuls JAVA 17 on Windows 8 if that helps.....

Phil G

On 08/01/2025 16:47, Bob Jacobsen via wrote:
> Could you tell us a little bit more about your PC?
>
> Oracle’s Java 11 might not support your PC, but the Java 11 from some other vendors go back quite far:
>
>
>
> Bob
>
>
>> On Jan 8, 2025, at 11:39?AM, Ian W via <ian=[email protected]> wrote:
>>
>> Am I right in believing that latest decoder definitions are available ONLY in the most recent release of JMRI?
>> Although my PC is no dinosaur, I am told that Java 8 is the latest version it will handle, and that in turn restricts me to JMRI 4.2.6 and, for example, I am unable to get definitions for Digitrax SDH167D; the nearest my JMRI offers is SDH164D.
>> If there's a way around this, do please tell.
>> New Year Felicitations
>>
> —
> Bob Jacobsen
> rgj1927@...
>
>
>
>
>
>
>
>
>







--
John Griffin

Model Railroading Topics


 

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I know. I was just giving the some possible good news

Phil G

On 8 Jan 2025, at 19:40, John Griffin via groups.io <johng.sst@...> wrote:

?
Phil,
That's the one you want to be running right now. It's the recommended version.


On Wed, Jan 8, 2025 at 9:50?AM Phil G via <phil=[email protected]> wrote:
I'm running Azuls JAVA 17 on Windows 8 if that helps.....

Phil G

On 08/01/2025 16:47, Bob Jacobsen via wrote:
> Could you tell us a little bit more about your PC?
>
> Oracle’s Java 11 might not support your PC, but the Java 11 from some other vendors go back quite far:
>
>
>
> Bob
>
>
>> On Jan 8, 2025, at 11:39?AM, Ian W via <ian=[email protected]> wrote:
>>
>> Am I right in believing that latest decoder definitions are available ONLY in the most recent release of JMRI?
>> Although my PC is no dinosaur, I am told that Java 8 is the latest version it will handle, and that in turn restricts me to JMRI 4.2.6 and, for example, I am unable to get definitions for Digitrax SDH167D; the nearest my JMRI offers is SDH164D.
>> If there's a way around this, do please tell.
>> New Year Felicitations
>>
> —
> Bob Jacobsen
> rgj1927@...
>
>
>
>
>
>
>
>
>







--
John Griffin

Model Railroading Topics


 

Just a note to the group.
I am using an older Dell 64bit PC with Win10 and was also limited to Oracles Java8!
I just removed Java8 with oracles uninstall and was successful in downloading Azuls JAVA 11 and then loaded JMRI 5.1
Everything worked first try!
Now I have a dedicated computer with a large bright display for just running the layout!
Thanks to you folks that provided some direction and answers to the group!


 

To Bob: I'm running Windows 10 on an Intel i5-8500T @ 2.11 GHz, supported by 16 GB RAM; 64-bit OS, which doesn't seem too shabby to me.
If Java is available from other vendors (I had no idea), and if Phil G is able to run Java 17 on Windows 8 (!), then there's something here to be investigated.
Phil G: exciting! Can you tell us whose Java 17 you're using?
Thanks, guys.


 

(Further reply while my previous is being moderated)
Phil G, thanks for mentioning Azuls Java 17. I'll investigate that.


 

Ian,

Please have a look at this page.

--
Peter Ulvestad
Linux Mint 22, JMRI 5.11.1plus, Java 21.0.5
JMRI Users Group Moderator ( /g/jmriusers )
JMRI Developers Group Moderator ( )
Tam Valley Group Moderator ( )
Sprog-DCC Group Moderator ( )
Edmonton Model Railroad Association ( )


 

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Been using Azuls for the last 3 or 4 years

8 then 11 now 17 ??

Phil G

On 9 Jan 2025, at 15:10, Ian W via groups.io <ian@...> wrote:

?
To Bob: I'm running Windows 10 on an Intel i5-8500T @ 2.11 GHz, supported by 16 GB RAM; 64-bit OS, which doesn't seem too shabby to me.
If Java is available from other vendors (I had no idea), and if Phil G is able to run Java 17 on Windows 8 (!), then there's something here to be investigated.
Phil G: exciting! Can you tell us whose Java 17 you're using?
Thanks, guys.


 

Peter, thanks for the signposts. I wasn't aware that Java was available from anyone other than Oracle; also the distinction between JRE and JDK is valuable. It appears to be necessary to sign up with Azul to get the download. When I find my lucky rabbit's foot, I'll set about the task.
Thanks, all, for comments.
?
Ian Wheeler


 

On Thu, Jan 9, 2025 at 09:10 AM, Ian W wrote:
?
If Java is available from other vendors (I had no idea), and if Phil G is able to run Java 17 on Windows 8 (!), then there's something here to be investigated.
?
It's mentioned, with a link, in bold even, with the release notes for each release. You DO read the release notes, right?
?
Steve
"Breezlys"?


 

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You only need to sign up if you want update reminders. I don’t, so I didn’t

Just be sure you download the .msi file. ?When it’s downloaded, double click to ?install. Oh and be sure to install ANY existing JAVA first. If in doubt run “Java -version” in a command windows. If JAVA is uninstalled you’ll get an error

Phil G

On 9 Jan 2025, at 17:50, Ian W via groups.io <ian@...> wrote:

?
Peter, thanks for the signposts. I wasn't aware that Java was available from anyone other than Oracle; also the distinction between JRE and JDK is valuable. It appears to be necessary to sign up with Azul to get the download. When I find my lucky rabbit's foot, I'll set about the task.
Thanks, all, for comments.
?
Ian Wheeler


 

Ian,

Azul does NOT have a sign up requirement. ?Just click on "Download Now". ?They do offer other services, but you don't need them.

Dave Sand



----- Original message -----
From: Ian W <ian@...>
Subject: Re: [jmriusers] Getting latest decoder definitions vs. JMRI release vs. Java version
Date: Thursday, January 09, 2025 11:50 AM

Peter, thanks for the signposts. I wasn't aware that Java was available from anyone other than Oracle; also the distinction between JRE and JDK is valuable. It appears to be necessary to sign up with Azul to get the download. When I find my lucky rabbit's foot, I'll set about the task.
Thanks, all, for comments.
?
Ian Wheeler


 

All,
?
I think Phil G means to UNinstall any existing Java version before installing the latest one.
?
Regards


 

Perhaps you meant Uninstall...

On 09/01/2025 12:54, Phil G via groups.io wrote:
Oh and be sure to install ANY existing JAVA first.


 

At least people are reading my replies ;)

Phil G

On 09/01/2025 18:20, Blair via groups.io wrote:
Perhaps you meant Uninstall...

On 09/01/2025 12:54, Phil G via groups.io wrote:
Oh and be sure to install ANY existing JAVA first.