B4J Question file .jar do not run

[powerino]

Hi everyone, why am I able to create an "executable" .jar file in release mode obfuscated, but then the .jar file does not start (after double clicking)?

 

[DonManfred]

Make sure to use Java 8.

Java 11 is not able to create executable jars.
You can create an executable (exe) with B4JPackager 11...

 

[powerino]

I use this one "C:\Program Files\Java\jdk1.8.0_231\bin\javac.exe" but don't run

 

[moore_it]

try to open command window and digit

java -jar (path and .jar name)

 

[sorex]

javac is the java compiler. you need to use the regular one with -jar filename

 

[powerino]

It started, but in few seconds it crash!

 

[Johan Schoeman]

It started, but in few seconds it crash!

View attachment 90339

Where does ResultSet come from? It wants ResultSet to be initialized.

 

[powerino]

In reality it could not find the database, now it works, but only from the command line. If I double click on the icon it doesn't start. The problem is that the additional files used by me in the program are searched in the "user / username" folder ... so I have to understand how to create a folder where I want and copy the files that the program must look for to work

 

[f0raster0]

If I'm not wrong you can use this:

B4JPackager11 - the simplest way to distribute UI apps

Better to start with the integrated packager: https://www.b4x.com/android/forum/threads/integrated-b4jpackager11-the-simple-way-to-distribute-standalone-ui-apps.117880/ B4JPackager11 is a B4J non-ui program that builds a package with your app jar and an embedded modularized Java runtime. It...

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note:
- run.exe is the executable (starting from v1.14 the executable name is based on the jar name). The executable file depends on the other folders. You can distribute the executable and the folders and it will work without any other dependencies.

 

[powerino]

To create an .exe file with B4JPackager you must have an .jar file ...


I have already tried that path, but I get 3 errors that I don't understand

[solved] B4JPackager11 + JasperReports error

Hi everyone, I have implemented a software that I have to give to the customer, but when creating the .exe file I have these errors (3) ... what can I do to solve it? Thank you B4JPackager11 Version 1.14 Exe name: Timesofart.exe InputJar: C:\Rino\AppSitoWeb\Timesofart\Objects\Timesofart.jar...

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