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Java environment broken?


My Java install is brokenCan't install Java JDK in Ubuntu 12.04: Broken PackagesSetting JAVA environment variableInstalling Java 8 and Setting environment variablesJava Runtime Environment 1.4.2 InstallationProperly set up java development environmentJava Runtime EnvironmentJava runtime environment installation on W10 64 bitInstall java Runtime EnvironmentThe fonts in the Java app are strangely broken













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I'm on Ubuntu 18.10. Two packages which I'd like to use won't start up. First is pdfsam. Starting from terminal I get the following output:



    Exception in thread "main" java.lang.NoClassDefFoundError: javafx/scene/layout/HBox
at java.base/java.lang.ClassLoader.defineClass1(Native Method)
at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1016)
at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:174)
at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:802)
at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:700)
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:623)
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:581)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
at org.pdfsam.community.App.main(App.java:34)
Caused by: java.lang.ClassNotFoundException: javafx.scene.layout.HBox
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:583)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
... 10 more


Second one is mediathekview. Here the output is as follows:



Fehler: Hauptklasse mediathek.Main kann nicht initialisiert werden
Ursache: java.lang.NoClassDefFoundError: com/jidesoft/utils/ThreadCheckingRepaintManager


I had purged and reinstalled both packages and java components, but still fails.



Any ideas please how to fix this?



Kind regards



Stefan









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    0















    I'm on Ubuntu 18.10. Two packages which I'd like to use won't start up. First is pdfsam. Starting from terminal I get the following output:



        Exception in thread "main" java.lang.NoClassDefFoundError: javafx/scene/layout/HBox
    at java.base/java.lang.ClassLoader.defineClass1(Native Method)
    at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1016)
    at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:174)
    at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:802)
    at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:700)
    at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:623)
    at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:581)
    at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
    at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
    at org.pdfsam.community.App.main(App.java:34)
    Caused by: java.lang.ClassNotFoundException: javafx.scene.layout.HBox
    at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:583)
    at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
    at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
    ... 10 more


    Second one is mediathekview. Here the output is as follows:



    Fehler: Hauptklasse mediathek.Main kann nicht initialisiert werden
    Ursache: java.lang.NoClassDefFoundError: com/jidesoft/utils/ThreadCheckingRepaintManager


    I had purged and reinstalled both packages and java components, but still fails.



    Any ideas please how to fix this?



    Kind regards



    Stefan









    share







    New contributor




    Stefan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.























      0












      0








      0








      I'm on Ubuntu 18.10. Two packages which I'd like to use won't start up. First is pdfsam. Starting from terminal I get the following output:



          Exception in thread "main" java.lang.NoClassDefFoundError: javafx/scene/layout/HBox
      at java.base/java.lang.ClassLoader.defineClass1(Native Method)
      at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1016)
      at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:174)
      at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:802)
      at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:700)
      at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:623)
      at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:581)
      at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
      at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
      at org.pdfsam.community.App.main(App.java:34)
      Caused by: java.lang.ClassNotFoundException: javafx.scene.layout.HBox
      at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:583)
      at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
      at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
      ... 10 more


      Second one is mediathekview. Here the output is as follows:



      Fehler: Hauptklasse mediathek.Main kann nicht initialisiert werden
      Ursache: java.lang.NoClassDefFoundError: com/jidesoft/utils/ThreadCheckingRepaintManager


      I had purged and reinstalled both packages and java components, but still fails.



      Any ideas please how to fix this?



      Kind regards



      Stefan









      share







      New contributor




      Stefan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.












      I'm on Ubuntu 18.10. Two packages which I'd like to use won't start up. First is pdfsam. Starting from terminal I get the following output:



          Exception in thread "main" java.lang.NoClassDefFoundError: javafx/scene/layout/HBox
      at java.base/java.lang.ClassLoader.defineClass1(Native Method)
      at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1016)
      at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:174)
      at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:802)
      at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:700)
      at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:623)
      at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:581)
      at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
      at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
      at org.pdfsam.community.App.main(App.java:34)
      Caused by: java.lang.ClassNotFoundException: javafx.scene.layout.HBox
      at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:583)
      at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
      at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
      ... 10 more


      Second one is mediathekview. Here the output is as follows:



      Fehler: Hauptklasse mediathek.Main kann nicht initialisiert werden
      Ursache: java.lang.NoClassDefFoundError: com/jidesoft/utils/ThreadCheckingRepaintManager


      I had purged and reinstalled both packages and java components, but still fails.



      Any ideas please how to fix this?



      Kind regards



      Stefan







      java pdfsam





      share







      New contributor




      Stefan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.










      share







      New contributor




      Stefan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.








      share



      share






      New contributor




      Stefan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      asked 4 mins ago









      StefanStefan

      1




      1




      New contributor




      Stefan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.





      New contributor





      Stefan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






      Stefan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






















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