I am experiencing a JAVA exception when starting a Java application on
either the official or unofficial Debian OS versions of the Beaglebone
platform. The application is running headful mode and uses Swing for the
GUI.. I have included the exception details below.
At first I thought that this might have been an Oracle Java issue but I
have tried various combinations of Oracle Java Embedded 7 and 8 plus
OpenJDK on a number of OS variants on the Beaglebone Black with exactly the
same results. The same problem does *not*, however, occur on the
unofficially supported Ubuntu OS - the application runs fine under the
Ubuntu GUI. It looks to me as though there's some subtle difference in X11
between the Debian and Ubuntu linux variants.
*Information*
1) The application is the 3.20 version of the jOrgan running with in the
usual GUI (not headless) mode
2) The target platform is the Beaglebone Black revision A5A with 8GB
Sandisk Ultra microSD Card
2). I have tried running the application on the above operating systems
using the following JVMs::
- Open JDK 7- Oracle SE Embedded Java version 7U55
(ejre-7u55-fcs-b13-linux-arm-vfp-hflt-client_headful-17_mar_2014.tar.gz)
- Oracle SE Embedded Java version 8 full profile
(ejdk-8-fcs-b132-linux-arm-vfp-hflt-03_mar_2014.tar.gz)
- Open JDK
3). I have tested using the following BBB operating systems:using the above
JVMs:
- bone-debian-7.4-2014-04-23-2gb.img.xz ====>
Exception
- BBB-eMMC-flasher-debian-7.4-2014-04-23-2gb.img.xz ====> Exception
- bone-debian-7.5-2014-05-06-2gb.img.xz ====>
Exception
- Ubuntu-precise=12.0.4.3-armhf-3.8.13-bone30.img.xz ====> Successful
.
*The Exception Trace*
java.lang.RuntimeException: cannot load system cursor: CopyDrop.32x32
at
sun.awt.X11.XToolkit.lazilyLoadDesktopProperty(XToolkit.java:1512)
at java.awt.Toolkit.getDesktopProperty(Toolkit.java:1800)
at java.awt.dnd.DragSource.load(DragSource.java:131)
at java.awt.dnd.DragSource.<clinit>(DragSource.java:147)
at swingx.docking.DockingPane.<init>(DockingPane.java:112)
at
jorgan.gui.dock.BordererDockingPane.<init>(BordererDockingPane.java:13)
at jorgan.gui.OrganPanel$1.<init>(OrganPanel.java:100)
at jorgan.gui.OrganPanel.<init>(OrganPanel.java:100)
at jorgan.gui.OrganFrame.<init>(OrganFrame.java:83)
at jorgan.gui.GUI$FrameInit.run(GUI.java:142)
at
java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:302)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:733)
at java.awt.EventQueue.access$200(EventQueue.java:103)
at java.awt.EventQueue$3.run(EventQueue.java:694)
at java.awt.EventQueue$3.run(EventQueue.java:692)
at java.security.AccessController.doPrivileged(Native Method)
at
java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:703)
at
java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
at
java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
at
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
at
java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
at
java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)
Caused by: java.awt.AWTException: Exception: class
java.lang.IllegalArgumentException Width (0) and height (0) must be
non-zero occurred while creating cursor CopyDrop.32x32
at java.awt.Cursor.getSystemCustomCursor(Cursor.java:362)
at
sun.awt.X11.XToolkit.lazilyLoadDesktopProperty(XToolkit.java:1510)
... 23 more :
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