| Runnable JAR file export | JAR creation failed. [message #1777734] |
Sun, 03 December 2017 17:24 |
 Alessandro Zavattaro
Messages: 1
Registered: December 2017 |
Junior Member |
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Hey everyone,
I receive this error while using the Runnable JAR File Export Wizard to export a small java application (File-> New-> Java Project) with GUI made with WindowBuilder (File-> New -> Other ->WindowBuilder-> Swing Designer -> Application Window):
I'm using Eclipse 4.7.1a. and the project was originally built using the default environment JRE: Java-SE 9.0.1 and executed with the default Run Configuration.
The application works fine, also when launched with: Run as-> Java Application.
This is the current Run Configuration I'm using:
I don't really know why it can launch normally the application but not exporting it as runnable jar, please note Project and Class (under the Main Class tab in the first image) are correct.
What I tried:
- Deleted the current 'Run Configuration', cleaned the project, then re-built/re-launched
- Deleted the current workspace, and created a new one re-importing the exported project as a .rar archive
- Created a new Java project changing the version of environment JRE to JAVA-SE 1-8
- Updated Eclipse to Eclipse Photon 2018 v.4.8 M3 version
- Re-started / Deleted / Re-installed Eclipse Oxygen 4.7.1a
- Compiling with JAVAC / JAVA with CMD prompt: JAVAC command create the correct .class file, while JAVA command give me the error: "java.lang.NoClassDefFoundError" exception, referred to the main method
Someone can help me, I don't know really what other do??
I've of course the main method in my main jBit class.
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