java - JavaFX application using concurrency with javafx.concurrent.Task not working properly as jar -


i have programmed javafx application uses javafx.concurrent.task create background thread described here: javafx - waiting task finish

the application working in eclipse fine.

then have created executable jar in tutorial explained: http://code.makery.ch/library/javafx-8-tutorial/part7/

the jar opening , not create error messages on terminal, go task.setonfailed()-method instead of task.setonsucceed().

the background process worked before used task-class. however, ui freeze. background-process isn't starting @ all. it's supposed start simulation conway's game of life, while gui define start parameters , start simulation click on button.

now question: program working fine eclipse , have no other problems or error messages, have consider creating jar when using task-class?


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