Windows bug or bug in windows 1.4 VM?
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Posted By:   Alastair_Penney
Posted On:   Thursday, January 9, 2003 01:31 AM

I am using SDK "java 1.4.1_01-b01" on Windows 2000 SP3 (5.00.2195). My dev environment is JBuilder6. I have installed javax.comm (CommunicationsAPI) in the SDK. I am using this to develop an application which reads from the serial port. My application exits occasionally with the following error, always in System.arraycopy and always in ntdll : An unexpected exception has been detected in native code outside the VM. Unexpected Signal : EXCEPTION_ACCESS_VIOLATION occurred at PC=0x77FCB3F5 Function=[Unknown.] Library=C:WINNTSystem32 tdll.dll NOTE: We are unable to locate the function name symbol for the error just occurred. Ple   More>>


I am using SDK "java 1.4.1_01-b01" on Windows 2000 SP3 (5.00.2195). My dev environment is JBuilder6.



I have installed javax.comm (CommunicationsAPI) in the SDK. I am using this to develop an application which reads from the serial port.



My application exits occasionally with the following error, always in System.arraycopy and always in ntdll :


			
An unexpected exception has been detected in native code outside the VM.
Unexpected Signal : EXCEPTION_ACCESS_VIOLATION occurred at PC=0x77FCB3F5
Function=[Unknown.]
Library=C:WINNTSystem32
tdll.dll

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 java.lang.System.arraycopy(Native Method)
at swipescanner.beans.SerialPortReaderBean.readFromSerialPort(SerialPortReaderBean.java:221)
at swipescanner.beans.SerialPortReaderBean.serialEvent(SerialPortReaderBean.java:177)
at com.sun.comm.Win32SerialPort.sendDataAvailEvent(Win32SerialPort.java:649)
at com.sun.comm.NotificationThread.run(Win32SerialPort.java:878)

Dynamic libraries:
0x00400000 - 0x00406000 C:j2sdk1.4.1_01 injavaw.exe
0x77F80000 - 0x77FFB000 C:WINNTSystem32
tdll.dll
0x77DB0000 - 0x77E0D000 C:WINNTsystem32ADVAPI32.dll
0x77E80000 - 0x77F36000 C:WINNTsystem32KERNEL32.DLL
0x77D30000 - 0x77DA1000 C:WINNTsystem32RPCRT4.DLL
0x77E10000 - 0x77E75000 C:WINNTsystem32USER32.dll
0x77F40000 - 0x77F7C000 C:WINNTsystem32GDI32.DLL
0x78000000 - 0x78046000 C:WINNTsystem32MSVCRT.dll
0x6D330000 - 0x6D45A000 C:j2sdk1.4.1_01jre inclientjvm.dll
0x77570000 - 0x775A0000 C:WINNTSystem32WINMM.dll
0x6D1D0000 - 0x6D1D7000 C:j2sdk1.4.1_01jre inhpi.dll
0x6D300000 - 0x6D30D000 C:j2sdk1.4.1_01jre inverify.dll
0x6D210000 - 0x6D229000 C:j2sdk1.4.1_01jre injava.dll
0x6D320000 - 0x6D32D000 C:j2sdk1.4.1_01jre inzip.dll
0x6D000000 - 0x6D0FB000 C:j2sdk1.4.1_01jre inawt.dll
0x77800000 - 0x7781E000 C:WINNTSystem32WINSPOOL.DRV
0x76620000 - 0x76630000 C:WINNTsystem32MPR.DLL
0x75E60000 - 0x75E7A000 C:WINNTSystem32IMM32.dll
0x77A50000 - 0x77B45000 C:WINNTsystem32ole32.dll
0x12000000 - 0x12008000 D:Program FilesWinTEDws_hook.dll
0x6E420000 - 0x6E426000 C:WINNTSystem32INDICDLL.dll
0x0AF00000 - 0x0AF15000 C:JBuilder6libextjbWheel.dll
0x6D180000 - 0x6D1D0000 C:j2sdk1.4.1_01jre infontmanager.dll
0x51000000 - 0x51044000 C:WINNTSystem32ddraw.dll
0x728A0000 - 0x728A6000 C:WINNTSystem32DCIMAN32.dll
0x72D90000 - 0x72E03000 C:WINNTSystem32D3DIM.DLL
0x10000000 - 0x1000A000 C:j2sdk1.4.1_01jre inwin32com.dll
0x77920000 - 0x77943000 C:WINNTsystem32imagehlp.dll
0x690A0000 - 0x690AB000 C:WINNTSystem32PSAPI.DLL
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