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OpenRadar incompatibility with OS Mavericks  Topic is solved

OpenRadar is a standalone radar screen which connects to the FlightGear multiplayer servers. It is currently being developed.

Re: OpenRadar incompatibility with OS Mavericks

Postby J Maverick 16 » Sat May 03, 2014 3:26 pm

elgaton wrote in Fri May 02, 2014 7:46 pm:You should update to the latest version (Java 7 Update 55) as it fixes some security issues :wink:

I have to wait the next OS X Update which has all the latest updates, (also Java 7 Update 55), I think it will be released in a few months. :D
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Re: OpenRadar incompatibility with OS Mavericks

Postby wagnerw » Sat May 10, 2014 10:53 am

The update of today is compiled with JDK 6 compatibility and

Code: Select all
javap -cp OpenRadar.jar -verbose de.knewcleus.openradar.OpenRadar | grep "major"


delivers 50 what means JDK 6

see: https://stackoverflow.com/questions/1096148/how-to-check-the-jdk-version-used-to-compile-a-class-file

So it should work again with JDK 6.
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Re: OpenRadar incompatibility with OS Mavericks

Postby cobolt » Mon May 12, 2014 4:18 pm

i tried it out. OpenRadar starts up just perfect, but when i hit the Start-Button on the bottom right corner:

i'm receiving an AWT-EventQueue-0 java.lang.NoClassDefFoundError:

Exception in thread "AWT-EventQueue-0" java.lang.NoClassDefFoundError: java/awt/GraphicsDevice$WindowTranslucency

Caused by: java.lang.ClassNotFoundException: java.awt.GraphicsDevice$WindowTranslucency
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
... 43 more
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Re: OpenRadar incompatibility with OS Mavericks

Postby elgaton » Mon May 12, 2014 6:48 pm

cobolt wrote in Mon May 12, 2014 4:18 pm:i tried it out. OpenRadar starts up just perfect, but when i hit the Start-Button on the bottom right corner:

i'm receiving an AWT-EventQueue-0 java.lang.NoClassDefFoundError:

Exception in thread "AWT-EventQueue-0" java.lang.NoClassDefFoundError: java/awt/GraphicsDevice$WindowTranslucency


That happens because Java 6 does not support the windows translucency feature OpenRadar uses for some windows/menus (it was introduced first in Java 7).
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Re: OpenRadar incompatibility with OS Mavericks

Postby cobolt » Mon May 12, 2014 9:36 pm

I upgraded to 1.7 and it works perfectly now.
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