On 22/10/25 12:01 AM, Amitabh Choudhury wrote:
Hello Alexander and Ernie
Thanks for the reply.
Was able to get into the System variable of Windows 11 and found that
"Path" started with "C:\Program Files (x86)\Common
Files\Oracle\Java\javapath".
Even though 1.18 was installed and placed in "Path" at the end, the
x86 javapath was being picked up and had version 1.8.
Glad you got things going.
I'm guessing that means jdk18 was not installed with the oracle windows
installer. Keep in mind if/when you update to a newer jdk you may need
to fiddle with your path.
-ernie
deleted the string from "Path" and was able to get the app
(GabellatteMVPn) running.
Meanwhile got aware of (https://javaalmanac.io/bytecode/versions/). TQ
Ernie.
Warm regards
Amitabh Choudhury
On Tue, Oct 25, 2022 at 10:49 AM Ernie Rael <err...@raelity.com> wrote:
On 22/10/24 10:14 PM, Ernie Rael wrote:
> On 22/10/24 9:50 PM, Amitabh Choudhury wrote:
>> Hi
>>
>> I am not exposed to under the hood of netbeans settings, hence
>> require hand-holding.
>>
>> Application is working fine in Netbeans IDE. But when I use a
>> shortcut link to the jar file or try to run in the console, I
get the
>> following error message.
>> ~~~~~
>> Error: A JNI error has occurred, please check your installation
and
>> try again
>> Exception in thread "main" java.lang.UnsupportedClassVersionError:
>> gabellattemvpn/GabellatteMVPn has been compiled by a more recent
>> version of the Java Runtime (class file version 62.0), this
version
>> of the Java Runtime only recognizes class file versions up to 52.0
>> ~~~~~
>
> Taking a look at https://javaalmanac.io/bytecode/versions/
>
> I see that 52 is java 8, 62 is java 18.
>
> Your jre is java 8 (presumably this is the default jre on your
windows
> system), you compiled it (assuming GabellatteMVPn is yours), on
java 18.
>
> I'd be inclined to update your system with a newer jre. The
> alternative is to compile your program to run on java 8.
>
> -ernie
And of course, you can use the jdk/jre that NetBeans runs on to
execute
your jar file.
-ernie
>
>>
>> Please inform what changes have to be done and where
(Netbeans/Console).
>>
>> I am using MS Windows 11(or 10).
>>
>> Warm regards
>>
>> Amitabh Choudhury
>>
>>
>>
>
>
>
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