Hallo liebe Fachleute!

Folgende Fehlermeldung erhalte ich beim Versuch das Programm zu starten:
PHP-Code:
java virtual machine used: /etc/alternatives/jre_1.8.0/bin/java
classpath used
: /usr/share/java/Mediathek/swingx-core-1.6.6-SNAPSHOT.jar:/usr/share/java/Mediathek/swingx-beaninfo-1.6.6-SNAPSHOT.jar:/usr/share/java/Mediathek/log4j-api-2.8.1.jar:/usr/share/java/Mediathek/bridj-0.7.0.jar:/usr/share/java/Mediathek/commons-compress.jar:/usr/share/java/Mediathek/jide-oss.jar:/usr/share/java/Mediathek/mbassador-1.3.2.jar:/usr/share/java/Mediathek/annotations-16.0.2.jar:/usr/share/java/Mediathek/orange-extensions-1.3.0.jar:/usr/share/java/Mediathek/jiconfont-swing-1.0.1.jar:/usr/share/java/Mediathek/commons-pool2-2.6.0.jar:/usr/share/java/Mediathek/okhttp-3.11.0.jar:/usr/share/java/Mediathek/commons-logging.jar:/usr/share/java/Mediathek/commons-dbcp2-2.5.0.jar:/usr/share/java/Mediathek/jchart2d-3.3.2.jar:/usr/share/java/Mediathek/okio-1.13.0.jar:/usr/share/java/Mediathek/h2-1.4.197.jar:/usr/share/java/Mediathek/jide-oss-3.7.4.jar:/usr/share/java/Mediathek/miglayout-swing-5.1.jar:/usr/share/java/Mediathek/MediathekView-13.1.1.jar:/usr/share/java/Mediathek/jetm-1.2.3.jar:/usr/share/java/Mediathek/commons-lang3.jar:/usr/share/java/Mediathek/log4j-core-2.8.1.jar:/usr/share/java/Mediathek/jiconfont-font_awesome-4.7.0.0.jar:/usr/share/java/Mediathek/swingx-graphics-1.6.6-SNAPSHOT.jar:/usr/share/java/Mediathek/commons-io.jar:/usr/share/java/Mediathek/swingx-autocomplete-1.6.6-SNAPSHOT.jar:/usr/share/java/Mediathek/MediathekView.jar:/usr/share/java/Mediathek/jackson-core-2.9.3.jar:/usr/share/java/Mediathek/jiconfont-1.0.0.jar:/usr/share/java/Mediathek/swingx-painters-1.6.6-SNAPSHOT.jar:/usr/share/java/Mediathek/miglayout-core-5.1.jar:/usr/share/java/Mediathek/commons-configuration2-2.2.jar:/usr/share/java/Mediathek/jgoodies-forms.jar:/usr/share/java/Mediathek/jdom.jar:/usr/share/java/Mediathek/jgoodies-common.jar:/usr/share/java/Mediathek/miglayout-javafx-5.1.jar:/usr/share/java/Mediathek/swingx-plaf-1.6.6-SNAPSHOT.jar:/usr/share/java/Mediathek/xz.jar:/usr/share/java/Mediathek/controlsfx-8.40.14.jar:/usr/share/java/Mediathek/xmlgraphics-commons.jar:/usr/share/java/Mediathek/swingx-action-1.6.6-SNAPSHOT.jar:/usr/share/java/Mediathek/swingx-common-1.6.6-SNAPSHOT.jar:/usr/share/java/commons-compress.jar:/usr/share/java/commons-lang3.jar:/usr/share/java/jide-oss.jar:/usr/share/java/jgoodies-common.jar:/usr/share/java/jgoodies-forms.jar:/usr/share/java/xz.jar:/usr/share/java/commons-io.jar:/usr/share/java/commons-logging.jar
main 
class usedmediathek.Main
flags used

options used: -Xms256M -Xmx1G
arguments used

Exception in thread "main" java.lang.NoSuchMethodErrorcom.jidesoft.utils.SystemInfo.isJdk9Above()Z
        at mediathek
.Main.checkJava8Compatibility(Main.java:155)
        
at mediathek.Main.main(Main.java:118)
micha@linux-wie:~> 
In der Hoffnung jemanden zu finden, der helfen kann!

Gruß micha