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Java Forum / GUI / March 2004

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Java apps won't load GUI on win2k PC

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Julian Orange - 15 Mar 2004 02:53 GMT
Hi,

I have a win2k PC that just won't load any java gui.  I have many other
PC's that will run he same .jar files with the same jre

The jre that I am using is Sun Java 2 jre SE 1.4.2.
I have:
uninstalled/reinstalled the jre
updated video drivers
checked environment variables.
reapplied win2k sp4
tried other jre versions.
Several different .jar applications from different sources.

Method:
from here http://academic.cuesta.edu/jdalbey/Examples/
used: java -jar SwingDemo.jar

On all PC's but for one this brings up the GUI.
I am not a java programmer but this is not an issue with the code but
with the java virtual machine on the PC.

Any help in what might be causing this is appreciated.
Cheers
Julian
Reply to this Message
Nick Howes - 15 Mar 2004 12:24 GMT
> Hi,
>
> I have a win2k PC that just won't load any java gui.

What happens when you try to load it?
Reply to this Message
Todd Corley - 15 Mar 2004 18:50 GMT
Reinstall java vm from http://java.com/en/index.jsp.
It should set the windows file association for .jar to javaw.
Reply to this Message
Julian Orange - 16 Mar 2004 01:41 GMT
todd.corley@rulespower.com (Todd Corley) wrote in message

Todd,
Thanks for the reply,

> Reinstall java vm from http://java.com/en/index.jsp.
I could not find the java vm here BUT....

> It should set the windows file association for .jar to javaw.

a) .jar is already assoiciated with javaw
b) I have reinstalled the jre many times and used different versions.
c) The method I used should not rely on file associations as far as I know.

Cheers
Julian
Reply to this Message
Todd Corley - 16 Mar 2004 20:18 GMT
Sorry, I didn't read your post all the way through.

1. What version of Java are you running.
cmd line "java -version" to find out.
The demo worked for me both with
cmd line "java -jar SwingDemo.jar"
and by double clicking on the jar. I am using version 1.4.1_02.

2. Try  "java -verbose -jar SwingDemo.jar" to see what classes are
actually being loaded.   I had 1214 classes load.  Swing demo loaded
296th.

3. Alt-tab to bring up the switch current app window and look for the
java cup icon.  The Demo is a JFrame, there should be an icon in the
windows clutter bar named SwingDemo.

Hope this helps,
Todd
Reply to this Message
Julian Orange - 17 Mar 2004 02:10 GMT
Todd,

(Todd Corley) wrote in message >
> 1. What version of Java are you running.
1.4.2.  
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2-b28)
> The demo worked for me both with
> cmd line "java -jar SwingDemo.jar"
> and by double clicking on the jar. I am using version 1.4.1_02.
Works like that for me on all machines but the one in question.

> 3. Alt-tab to bring up the switch current app window and look for the
> java cup icon.  The Demo is a JFrame, there should be an icon in the
> windows clutter bar named SwingDemo.
On the bad machine the icon never appears in either place.  java.exe
is a running process in task manager and killing it returns from the
command entered back to the prompt.

> 2. Try  "java -verbose -jar SwingDemo.jar" to see what classes are
> actually being loaded.   I had 1214 classes load.  Swing demo loaded
> 296th.

Interesting difference on bad machine.
Bad machine has this extra opened line:
[Opened C:\Program Files\Java\j2re1.4.2\lib\charsets.jar]

Good machines (difference here that this was winXP not win2k) have
lots of extra lines.  AS stated before I have performed many clean
installs of the jre.

Those extra lines are:
[Loaded sun.misc.Cleaner from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.windows.WComponentPeer$2 from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.java2d.loops.RenderLoops from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.java2d.loops.GraphicsPrimitiveMgr$PrimitiveSpec from
C:\Program Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.util.Arrays from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.peer.DialogPeer from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.peer.FileDialogPeer from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.windows.WFileDialogPeer from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.windows.WPrintDialogPeer from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.java2d.Disposer from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.java2d.DisposerRecord from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.java2d.DefaultDisposerRecord from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.windows.WColor from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.peer.FontPeer from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.PlatformFont from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.windows.WFontPeer from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.windows.WFontPeer$1 from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.io.CharToByteConverter from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.io.CharToByteSingleByte from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.io.CharToByteCp1252 from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.FontDescriptor from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.io.CharToByteISO8859_1 from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.windows.CharToByteWingDings from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.CharToByteSymbol from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.im.InputMethodManager from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.im.ExecutableInputMethodManager from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.im.spi.InputMethodDescriptor from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.windows.WInputMethodDescriptor from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.im.InputMethodLocator from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.im.ExecutableInputMethodManager$1 from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.misc.Service from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.misc.Service$LazyIterator from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.util.SortedSet from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.util.TreeSet from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.misc.URLClassPath$2 from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.lang.ClassLoader$2 from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.misc.URLClassPath$1 from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.net.URLClassLoader$3 from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.misc.CompoundEnumeration from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.net.URLClassLoader$4 from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.peer.LightweightPeer from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.event.AWTEventListener from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.LightweightDispatcher from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded javax.swing.SystemEventQueueUtilities from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded javax.swing.SystemEventQueueUtilities$1 from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded javax.swing.SystemEventQueueUtilities$SystemEventQueue from
C:\Program Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.NullComponentPeer from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded javax.swing.event.AncestorEvent from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.event.PaintEvent from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.dnd.SunDropTargetEvent from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.HeadlessToolkit from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.event.FocusEvent from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.event.ContainerEvent from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.im.InputContext from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.im.InputContext from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.im.InputMethodRequests from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.im.spi.InputMethodContext from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.im.InputMethodContext from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.im.spi.InputMethod from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.im.InputMethodAdapter from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.windows.WInputMethod from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.util.ListIterator from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.util.LinkedList$ListItr from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded javax.swing.plaf.basic.BasicGraphicsUtils from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded javax.swing.SizeRequirements from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.event.WindowEvent from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.SequencedEvent from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.EventQueueItem from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.GlobalCursorManager from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.windows.WGlobalCursorManager from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.GlobalCursorManager$NativeUpdater from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.SentEvent from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.DefaultKeyboardFocusManager$DefaultKeyboardFocusManagerSentEvent
from C:\Program Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.util.AbstractList$Itr from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded javax.swing.event.TableModelListener from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded javax.swing.event.TableColumnModelListener from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded javax.swing.event.CellEditorListener from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded javax.swing.JTable from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.util.AbstractList$ListItr from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.KeyboardFocusManager$HeavyweightFocusRequest from
C:\Program Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.DefaultKeyboardFocusManager$TypeAheadMarker from
C:\Program Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.KeyboardFocusManager$LightweightFocusRequest from
C:\Program Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.im.CompositionArea from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded javax.swing.text.JTextComponent$InputMethodRequestsHandler
from C:\Program Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.im.CompositionAreaHandler from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.text.AttributedString from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.text.AttributedCharacterIterator from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.text.AttributedString$AttributedStringIterator from
C:\Program Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.java2d.loops.FontInfo from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.SunGraphicsCallback from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.GraphicsCallback from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.GraphicsCallback$PaintCallback from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded javax.swing.DebugGraphics from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded javax.swing.DebugGraphicsInfo from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded javax.swing.GraphicsWrapper from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded javax.swing.SwingGraphics from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded javax.swing.RepaintManager$DoubleBufferInfo from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.windows.WVolatileImage from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.image.Raster from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.image.DataBuffer from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.image.DataBufferInt from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.image.SampleModel from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.image.SinglePixelPackedSampleModel from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.image.WritableRaster from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.image.SunWritableRaster from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.image.IntegerComponentRaster from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.image.IntegerInterleavedRaster from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.image.NativeLibLoader from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.image.RenderedImage from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.image.WritableRenderedImage from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.image.BufferedImage from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.image.OffScreenImage from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.image.RasterListener from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.image.AcceleratedOffScreenImage from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.windows.Win32OffScreenImage from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.windows.Win32PeerlessImage from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.image.BufImgSurfaceData from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.font.GlyphList from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.font.ShapingException from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded javax.swing.plaf.metal.MetalUtils from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.awt.Panel from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded java.applet.Applet from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded javax.swing.SystemEventQueueUtilities$ComponentWorkRequest
from C:\Program Files\Java\j2re1.4.2\lib\rt.jar]
[Loaded sun.awt.image.Image from C:\Program
Files\Java\j2re1.4.2\lib\rt.jar]

Cheers
Julian
Reply to this Message
Claude Michel - 17 Mar 2004 14:25 GMT
I experienced this on a Win2K machine with pcAnywhere (host) loaded. No java
1.4.2 GUIs could be loaded. We just threw pcAnywhere away, without changing
anything else on the PC, to solve the problem. We didn't investigate any
further because open source remote control software was available...

> Todd,
>
[quoted text clipped - 172 lines]
> Files\Java\j2re1.4.2\lib\rt.jar]
> [Loaded
java.awt.DefaultKeyboardFocusManager$DefaultKeyboardFocusManagerSentEvent
> from C:\Program Files\Java\j2re1.4.2\lib\rt.jar]
> [Loaded java.util.AbstractList$Itr from C:\Program
[quoted text clipped - 102 lines]
> Cheers
> Julian
Reply to this Message
Julian Orange - 17 Mar 2004 21:49 GMT
Claude,

That's it!  Same problem, Same fix.

Many Thanks
Julian

> I experienced this on a Win2K machine with pcAnywhere (host) loaded. No java
> 1.4.2 GUIs could be loaded. We just threw pcAnywhere away, without changing
> anything else on the PC, to solve the problem. We didn't investigate any
> further because open source remote control software was available...
Reply to this Message
Julian Orange - 15 Mar 2004 21:51 GMT
> > I have a win2k PC that just won't load any java gui.
>
> What happens when you try to load it?

Nick,

Thanks for the response.  

Java.exe runs - as seen in task manager processes.  It consumes usual
amounts of memory & CPU (compared to 'good' machines.)  It stays
running until you end task (or Ctrl+C if loaded from the command
line).  The GUI never shows.

Cheers
Julian.
Reply to this Message


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