Using JRebirth in several JARs - executable JAR fails

[Andreas]

Hi Seb,

we implement a base project and use it as dependency for customer projects.

In the base JAR lots of views (FXML, Model, Controller, etc.) implemented. We reuse or extend the base implementations in custom projects.

The base project can run as an application too - as kind of bas/reference implementation.

If we build it with maven we get a executable jar, which can be started by double click and all is working fine.

The custom project executable Jar fails, because it cannot load for instance the Shell.fxml, which lies in the base Jar. So we get a null pointer exception like this:

2016-08-11 10:40:15,278 ERROR [JRebirthThreadPoolExecutor] - <jrebirth.concurrent.jtpError>
org.jrebirth.af.api.exception.CoreRuntimeException: <jrebirth.ui.fxml.fxmlNodeDoesntExist> values: nms/modules/shell/Shell.fxml|
 at org.jrebirth.af.core.ui.fxml.FXMLUtils.loadFXML(FXMLUtils.java:128)
 at org.jrebirth.af.core.ui.fxml.AbstractFXMLObjectModel.prepareView(AbstractFXMLObjectModel.java:111)
 at org.jrebirth.af.core.concurrent.JRebirth.run(JRebirth.java:68)
 at org.jrebirth.af.core.ui.AbstractBaseModel.ready(AbstractBaseModel.java:74)
 at org.jrebirth.af.core.component.basic.AbstractComponent.setup(AbstractComponent.java:509)
 at org.jrebirth.af.core.facade.AbstractFacade.retrieve(AbstractFacade.java:216)
 at org.jrebirth.af.core.command.basic.showmodel.PrepareModelCommand.perform(PrepareModelCommand.java:56)
 at org.jrebirth.af.core.command.AbstractBaseCommand.innerRun(AbstractBaseCommand.java:185)
 at org.jrebirth.af.core.command.CommandRunnable.runInto(CommandRunnable.java:67)
 at org.jrebirth.af.core.concurrent.AbstractJrbRunnable.run(AbstractJrbRunnable.java:80)
 at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
 at java.lang.Thread.run(Unknown Source)

Seams, the FXMLUtils.loadFXML cannot find or have access to the path of Shell.fxml file of the external JAR.

Do you have any idea, what I can do to solve this problem? Do you have any experience using JRebirth in several JARs?

Thanks a lot in advance

Kind regards

Andreas

[Sebastien Bordes]

Hi Andreas,

Does the base jar been added to the classpath ?

As a workaround you can temporary duplicate the fxml file into the customer jar (with same relative path).

Are you able to build a tiny project with 2 jars to reproduce the trouble ?

I will have a look tonight.

Seb

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[Andreas]

Hi Seb,

yes, the base jar is in the class path. Because the preloader screen and so on is logic of base jar (Application class).

We create with ANT a exe installer wich installes the application in following structure:

app/libs

   base.jar

app

   executable-app.jar

   App.cfg

runtime

App.exe

the installed custom application is working fine (started by an Exe file).

In the manifest of executable jar, the base.jar is listed.

I don't know, what the "App.exe" is doing different. The App.exe has a config file named App.cfg. Inside also the class path is defined too.

But the executable jar directly started isn't working.

regards

Andreas

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[Sebastien Bordes]

I'm a little bit confused:

When running base_jar, it works without customization ?

When running executable-jar, does it work ?

When running App.exe, it crashes ?

How do you generate the exe file ? with ant command from javafx distribution ?

I don't know how it works, does the exe file has the same size as executable jar ?

Personnaly, I'using launch4j tightly integrated into maven build to generate the exe file and it only bootstraps the executable  jar (it's just a starter exe), Check the showcase demo application and its pom file :https://github.com/JRebirth/JRebirth/tree/8.x-dev/org.jrebirth.af/showcase/demo

This demo also demonstrates how to use JRebirth Modularization which can definitely help you.

You can create Interface Components that can be implemented into another library. (inspired by eclipse extension point but I still have to improve the priority management between all impl)

You can bowse ModuleModel, FXMLShowCaseModel to see an example that works (you will have to use custom processor library to generate metadata used by java service API during maven build (or gradle since bugs corrections recently made by asafalima))

Let me know if modularization can suit your needs and if using launch4j solves your exe trouble

Seb

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