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1  Java Game APIs & Engines / JOGL Development / Multi-window with JOGL on: 2004-03-08 06:02:44

I'm trying to create a multiwindow application with JOGL. What I want to do is when the user clicks on an entity in the window, a new window will be created and shown containing the information of that entity.

I use the OpenGL selection mechanism to select the entity, and this works fine. When my program recognizes there is something selected, it will create a new frame, which contains a GLCanvas, and show it.

I have two problems when showing this frame:
1. If the original window is not occupying the whole screen, it will throw an exception when the new window is called. The exception message is as follow:

====================================== Error freeing OpenGL context
       at sun.awt.RepaintArea.paint(
       at java.awt.Component.dispatchEventImpl(
       at java.awt.Component.dispatchEvent(
       at java.awt.EventQueue.dispatchEvent(
       at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchTh
       at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThre
       at java.awt.EventDispatchThread.pumpEvents(
       at java.awt.EventDispatchThread.pumpEvents(


2. If the original window is maximized, the program will crash immediately after the second window is shown. The error message given: (a long one)


An unexpected exception has been detected in native code outside the VM.
Unexpected Signal : EXCEPTION_ACCESS_VIOLATION occurred at PC=0x6956B5EA

NOTE: We are unable to locate the function name symbol for the error
     just occurred. Please refer to release documentation for possible
     reason and solutions.

Current Java thread:
       at Method)
       - locked <030186F0> (a
       - locked <030186F0> (a
       at sun.awt.RepaintArea.paint(
       at java.awt.Component.dispatchEventImpl(
       at java.awt.Component.dispatchEvent(
       at java.awt.EventQueue.dispatchEvent(
       at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchTh
       at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThre
       at java.awt.EventDispatchThread.pumpEvents(

       at java.awt.EventDispatchThread.pumpEvents(


Dynamic libraries:
0x00400000 - 0x00406000         C:\WINDOWS\system32\java.exe
0x77F50000 - 0x77FF7000         C:\WINDOWS\System32\ntdll.dll
0x77E60000 - 0x77F46000         C:\WINDOWS\system32\kernel32.dll
0x77DD0000 - 0x77E5D000         C:\WINDOWS\system32\ADVAPI32.dll
0x78000000 - 0x78086000         C:\WINDOWS\system32\RPCRT4.dll
0x77C10000 - 0x77C63000         C:\WINDOWS\system32\MSVCRT.dll
0x6D340000 - 0x6D46A000         C:\Program Files\Java\j2re1.4.1_02\bin\client\jv
0x77D40000 - 0x77DCC000         C:\WINDOWS\system32\USER32.dll
0x77C70000 - 0x77CB0000         C:\WINDOWS\system32\GDI32.dll
0x76B40000 - 0x76B6C000         C:\WINDOWS\system32\WINMM.dll
0x76390000 - 0x763AC000         C:\WINDOWS\System32\IMM32.DLL
0x629C0000 - 0x629C8000         C:\WINDOWS\system32\LPK.DLL
0x72FA0000 - 0x72FFA000         C:\WINDOWS\system32\USP10.dll
0x6D1E0000 - 0x6D1E7000         C:\Program Files\Java\j2re1.4.1_02\bin\hpi.dll
0x6D310000 - 0x6D31E000         C:\Program Files\Java\j2re1.4.1_02\bin\verify.dl
0x6D220000 - 0x6D239000         C:\Program Files\Java\j2re1.4.1_02\bin\java.dll
0x6D330000 - 0x6D33D000         C:\Program Files\Java\j2re1.4.1_02\bin\zip.dll
0x27070000 - 0x27093000         C:\3Dt\tsWinHandle.dll
0x773D0000 - 0x77BC2000         C:\WINDOWS\system32\SHELL32.DLL
0x70A70000 - 0x70AD5000         C:\WINDOWS\system32\SHLWAPI.dll
0x71950000 - 0x71A34000         C:\WINDOWS\WinSxS\x86_Microsoft.Windows.Common-C
0x77340000 - 0x773CB000         C:\WINDOWS\system32\comctl32.dll
0x274C0000 - 0x274D2000         C:\3Dt\FileUtility.dll
0x771B0000 - 0x772D1000         C:\WINDOWS\system32\ole32.dll
0x274E0000 - 0x274EC000         C:\3Dt\Timer.dll
0x27500000 - 0x275DD000         C:\3Dt\TrueTypeFont.dll
0x5ED00000 - 0x5EDC6000         C:\WINDOWS\system32\OPENGL32.dll
0x68B20000 - 0x68B3E000         C:\WINDOWS\system32\GLU32.dll
0x73760000 - 0x737A4000         C:\WINDOWS\system32\DDRAW.dll
0x73BC0000 - 0x73BC6000         C:\WINDOWS\system32\DCIMAN32.dll
0x275E0000 - 0x27665000         C:\WINDOWS\system32\MSVCR70D.dll
0x27670000 - 0x27725000         C:\WINDOWS\system32\MSVCP70D.dll
0x2B710000 - 0x2B74F000         C:\3Dt\IBService.dll
0x40530000 - 0x4058D000         C:\WINDOWS\system32\gds32.dll
0x71AD0000 - 0x71AD8000         C:\WINDOWS\system32\WSOCK32.dll
0x71AB0000 - 0x71AC5000         C:\WINDOWS\system32\WS2_32.dll
0x71AA0000 - 0x71AA8000         C:\WINDOWS\system32\WS2HELP.dll
0x71B20000 - 0x71B31000         C:\WINDOWS\system32\MPR.dll
0x2B760000 - 0x2B76A000         C:\3Dt\SystemUtility.dll
0x2B780000 - 0x2B786000         C:\3Dt\TextureUtility.dll
0x7C000000 - 0x7C054000         C:\WINDOWS\system32\MSVCR70.dll
0x6D2E0000 - 0x6D2EE000         C:\Program Files\Java\j2re1.4.1_02\bin\net.dll
0x71A50000 - 0x71A8B000         C:\WINDOWS\System32\mswsock.dll
0x76F20000 - 0x76F45000         C:\WINDOWS\system32\DNSAPI.dll
0x76FB0000 - 0x76FB7000         C:\WINDOWS\System32\winrnr.dll
0x76F60000 - 0x76F8C000         C:\WINDOWS\system32\WLDAP32.dll
0x76FC0000 - 0x76FC5000         C:\WINDOWS\system32\rasadhlp.dll
0x71A90000 - 0x71A98000         C:\WINDOWS\System32\wshtcpip.dll
0x6D000000 - 0x6D105000         C:\Program Files\Java\j2re1.4.1_02\bin\awt.dll
0x73000000 - 0x73023000         C:\WINDOWS\system32\WINSPOOL.DRV
0x6D190000 - 0x6D1E0000         C:\Program Files\Java\j2re1.4.1_02\bin\fontmanag
0x73940000 - 0x73A07000         C:\WINDOWS\system32\D3DIM700.DLL
0x74720000 - 0x74764000         C:\WINDOWS\System32\MSCTF.dll
0x2BE40000 - 0x2BE6B000         C:\WINDOWS\System32\msctfime.ime
0x6D240000 - 0x6D245000         C:\Program Files\Java\j2re1.4.1_02\bin\jawt.dll
0x2BE70000 - 0x2BEE6000         C:\Program Files\Java\j2re1.4.1_02\bin\jogl.dll
0x69500000 - 0x6986B000         C:\WINDOWS\system32\nvoglnt.dll
0x746F0000 - 0x74716000         C:\WINDOWS\System32\Msimtf.dll
0x76C90000 - 0x76CB2000         C:\WINDOWS\system32\imagehlp.dll
0x6D510000 - 0x6D58D000         C:\WINDOWS\system32\DBGHELP.dll
0x77C00000 - 0x77C07000         C:\WINDOWS\system32\VERSION.dll
0x76BF0000 - 0x76BFB000         C:\WINDOWS\system32\PSAPI.DLL

Local Time = Mon Mar 08 16:46:18 2004
Elapsed Time = 13
# The exception above was detected in native code outside the VM
# Java VM: Java HotSpot(TM) Client VM (1.4.1_02-b06 mixed mode)
# An error report file has been saved as hs_err_pid200.log.
# Please refer to the file for further information.


So, is there any clue to correct this problem? I didn't get any problem with single window, and I never get any error message from glGetError(). I tried to use DebugGL class but failed, so I don't know which parts of my program is going wrong. Thanks in advance!

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