Even if you do not go = with Maven it is actually very simple.

Edit your build.xml file a little bit = (see below). When you ant build your app one file that gets created is = UNIXClasspath.txt (or some such) that contains header comments that the = run script will use. One such comment is JVMOptions. These are not = populated but you can fix this easily:

build.xml:

in the init.properties target define a = variable:

= <target name=3D"init.properties"> =

add this >>>> = <property name=3D"jvmOptions" = value=3D"--add-exports = java.base/sun.security.action=3DALL-UNNAMED"/>

then in the target = build.woapp add jvmOptions=3D=E2=80=9C${jvmOptions}=E2=80=9D as you can = see on the next line

<woapplication = name=3D"${build.app.name}" jvmOptions=3D"${jvmOptions}=E2=80= =9D frameworksBas ...........

All done, build your deployment app = with ant and the woapplication builder will happily put the jvmOptions = into the UNIXClasspath.txt file from where the run script will take it = an put into the right place on the command line.

One time setup, all done. Its work, I = have just recently deployed a Wonder app on Ubuntu 20.something running = with JRE 17.

Have fun, IT SIMPLY WORKS! Really, it does. Someone put a lot = of thought into this 15 years ago.

---markus---

On 28 = Dec 2021, at 07:22, Stavros Panidis <stavros.panidis@gmail.com> wrote:

Hugi,

You are = really very kind, many thanks to you and all community.

Stavros

On 28 Dec 2021, at 1:10 PM, Hugi Thordarson <hugi@karlmenn.is> = wrote:

Hi Stavros,
here's a = quick "getting started guide:

https://gist.github.com/hugith/d2ba6da9e4942f4ece95d7a721159cd1=

=E2=80=A6and here's a guide to = converting an existing Fluffy Bunny application:

https://gist.github.com/hugith/3c269a3196d0c4f2da486f1109c16d42=

Don't hesitate to ask if you hit any = walls or get errors you have no idea what mean. Those of us that have = made this switch have probably hit all the sharp corners :).

Cheers,
- hugi

On 28 Dec = 2021, at 11:03, Stavros Panidis <stavros.panidis@gmail.com> wrote:

Dear Paul,

Thank you very much = for the info.

I never used Maven before, = but since it is the solution I have to do now. Are there any info / = documentation /how to on this?

Best = regards

Stavros

On 28 Dec = 2021, at 8:29 AM, Paul Hoadley <paulh@logicsquad.net> wrote:

Hi Stavros,

On 28 Dec 2021, at = 3:04 pm, Stavros Panidis <stavros.panidis@gmail.com> wrote:

Old applications run = with no problems but when I deploy the new one, built in Java 17, = application does not start, even after I add:

--add-exports=3Djava.base/sun.security.action=3DALL-UNNAMED

in JavaMonitor (Additional arguments).

I ran into this issue a few = months ago, and discussed it in #java on Slack. The problem is that the = application launch script inside the WOA bundle does some magic on all = the arguments to get them into the right place on the eventual command = line invocation. There are two issues: (a) --add-exports needs to appear = before the Java class name on the command line; but (b) the launch = script pre-dates the existence of any arguments that look like that, and = hence doesn't move it. So it's appearing on the command line after the = class name, and has no effect.

There's an = easy fix, but you need to be using Maven to build: = wolifecycle-maven-plugin 2.5 will add options like this to the = *ClassPath.txt files, where they will be honoured on launch. You can = specify them in build.properties.

https://github.com/wocommunity/wolifecycle-maven-plugin/pull/15=

--
Paul = Hoadley
https://logicsquad.net/
https://www.linkedin.com/company/logic-squad/

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