GanttProject 2.8.10 does'nt start on Linux (Ubuntu)

Hi,

It’s working now. Thanks.

Is see that the dependencies are: openjdk-7-jre | openjdk-8-jre | openjdk-9-jre | openjdk-10-jre | openjdk-7-jdk | openjdk-8-jdk | openjdk-9-jdk | openjdk-10-jdk | oracle-java7-jre | oracle-java8-jre | oracle-java9-jre | oracle-java7-jdk | oracle-java8-jdk | oracle-java9-jdk | oracle-java7-installer | oracle-java8-installer | oracle-java10-installer

The actual openjdk version is 11. Would it be necessary to update the dependencies?