Java Database Connectivity (JDBC)

Hello, Everyone

I got this error "EXCEPTION_ACCESS_VIOLATION (0xc0000005)"
and could not do anything when I tried up/downloading files by the application we developped.
Please tell me how to fix this problem!
---------------here is the log has been attched at my desktop.--------------

# An unexpected error has been detected by HotSpot Virtual Machine:
#
# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x77f52a84, pid=3984, tid=2188
#
# Java VM: Java HotSpot(TM) Client VM (1.5.0_05-b05 mixed mode, sharing)
# Problematic frame:
# C [ntdll.dll+0x2a84]
#

--------------- T H R E A D ---------------

Current thread (0x051fe008): JavaThread "AWT-Shutdown" [_thread_in_vm, id=2188]

siginfo: ExceptionCode=0xc0000005, writing address 0x00000000

Registers:
EAX=0x003701b8, EBX=0x00370000, ECX=0x00000000, EDX=0x00370178
ESP=0x0640f7c0, EBP=0x0640f9e4, ESI=0x09c68570, EDI=0x00000004
EIP=0x77f52a84, EFLAGS=0x00010202

Top of Stack: (sp=0x0640f7c0)
0x0640f7c0: 00000000 00000014 0515f660 77f6d5f0
0x0640f7d0: ffffffff 77f517e6 77f51778 77f517b2
0x0640f7e0: 051fe008 00000178 0640fac8 26cfae36
0x0640f7f0: 0640f810 26cfb020 00000000 26cfae40
0x0640f800: 0640f810 0640f824 06a90155 20b307d0
0x0640f810: 20b307c0 051fe008 26cfae40 051fe008
0x0640f820: 06a90125 06295e78 0640f858 00000000
0x0640f830: 0640f8a0 6d6c243e 06295e78 00000000

Instructions: (pc=0x77f52a84)
0x77f52a74: 08 89 85 64 ff ff ff 8b 4e 0c 89 8d 60 ff ff ff
0x77f52a84: 89 01 89 48 04 3b c1 0f 85 c0 f8 ff ff 0f b7 0e


Stack: [0x06310000,0x06410000), sp=0x0640f7c0, free space=1021k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
C [ntdll.dll+0x2a84]
C [msvcrt.dll+0x1ac14]

Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
j java.lang.Thread.start0()V+0
j java.lang.Thread.start()V+29
j sun.awt.AppContext.stopEventDispatchThreads()V+65
j sun.awt.AWTAutoShutdown.run()V+155
j java.lang.Thread.run()V+11
v ~StubRoutines::call_stub

--------------- P R O C E S S ---------------

Java Threads: ( => current thread )
0x05152c58 JavaThread "Thread-14" daemon [_thread_new, id=1808]
0x06297770 JavaThread "Thread-13" [_thread_blocked, id=2308]
0x09c0b1a8 JavaThread "TimerQueue" daemon [_thread_blocked, id=3936]
0x061edb28 JavaThread "AWT-EventQueue-0" [_thread_blocked, id=2284]
=>0x051fe008 JavaThread "AWT-Shutdown" [_thread_in_vm, id=2188]
0x061d2e38 JavaThread "traceMsgQueueThread" daemon [_thread_blocked, id=2576]
0x06167880 JavaThread "AWT-Windows" daemon [_thread_in_native, id=432]
0x0517bc90 JavaThread "Java2D Disposer" daemon [_thread_blocked, id=3808]
0x05235728 JavaThread "Low Memory Detector" daemon [_thread_blocked, id=3600]
0x0518d350 JavaThread "CompilerThread0" daemon [_thread_blocked, id=2532]
0x051597f8 JavaThread "Signal Dispatcher" daemon [_thread_blocked, id=3904]
0x0517a7e0 JavaThread "Finalizer" daemon [_thread_blocked, id=4060]
0x052048c8 JavaThread "Reference Handler" daemon [_thread_blocked, id=464]
0x051718c8 JavaThread "main" [_thread_in_native, id=2940]

Other Threads:
0x05149148 VMThread [id=3812]
0x0517aeb8 WatcherThread [id=1888]

VM state:not at safepoint (normal execution)

VM Mutex/Monitor currently owned by a thread: ([mutex/lock_event])
[0x0514aec8/0x00000724] Threads_lock - owner thread: 0x051fe008

Heap
def new generation total 576K, used 454K [0x20ad0000, 0x20b70000, 0x21230000)
eden space 512K, 76% used [0x20ad0000, 0x20b31878, 0x20b50000)
from space 64K, 100% used [0x20b60000, 0x20b70000, 0x20b70000)
to space 64K, 0% used [0x20b50000, 0x20b50000, 0x20b60000)
tenured generation total 1888K, used 1190K [0x21230000, 0x21408000, 0x26ad0000)
the space 1888K, 63% used [0x21230000, 0x21359ac0, 0x21359c00, 0x21408000)
compacting perm gen total 8192K, used 2221K [0x26ad0000, 0x272d0000, 0x2aad0000)
the space 8192K, 27% used [0x26ad0000, 0x26cfb640, 0x26cfb800, 0x272d0000)
ro space 8192K, 62% used [0x2aad0000, 0x2afda3a0, 0x2afda400, 0x2b2d0000)
rw space 12288K, 46% used [0x2b2d0000, 0x2b8603d8, 0x2b860400, 0x2bed0000)

Dynamic libraries:
0x00400000 - 0x00419000 C:\Program Files\Internet Explorer\iexplore.exe
0x77f50000 - 0x77fe4000 C:\WINDOWS\System32\ntdll.dll
0x77e20000 - 0x77f43000 C:\WINDOWS\system32\kernel32.dll
0x77bc0000 - 0x77c13000 C:\WINDOWS\system32\msvcrt.dll
0x77cf0000 - 0x77d7c000 C:\WINDOWS\system32\USER32.dll
0x7f000000 - 0x7f042000 C:\WINDOWS\system32\GDI32.dll
0x77d80000 - 0x77e1b000 C:\WINDOWS\system32\ADVAPI32.dll
0x78000000 - 0x78087000 C:\WINDOWS\system32\RPCRT4.dll
0x77280000 - 0x772e6000 C:\WINDOWS\system32\SHLWAPI.dll
0x71700000 - 0x7184a000 C:\WINDOWS\System32\SHDOCVW.dll
0x762e0000 - 0x762fc000 C:\WINDOWS\System32\IMM32.DLL
0x60740000 - 0x60748000 C:\WINDOWS\System32\LPK.DLL
0x72ef0000 - 0x72f4a000 C:\WINDOWS\System32\USP10.dll
0x78090000 - 0x78175000 C:\WINDOWS\WinSxS\x86_Microsoft.Windows.Common-Controls_6595b64144ccf1df_6.0.2600.1643_x-ww_7c3a9bc6\comctl32.dll
0x77380000 - 0x77b63000 C:\WINDOWS\system32\SHELL32.dll
0x772f0000 - 0x7737b000 C:\WINDOWS\system32\comctl32.dll
0x4fec0000 - 0x4fff6000 C:\WINDOWS\system32\ole32.dll
0x58730000 - 0x58764000 C:\WINDOWS\System32\uxtheme.dll
0x74660000 - 0x746a4000 C:\WINDOWS\System32\MSCTF.dll
0x71500000 - 0x715fc000 C:\WINDOWS\System32\BROWSEUI.dll
0x723a0000 - 0x723b0000 C:\WINDOWS\System32\browselc.dll
0x75e90000 - 0x75eae000 C:\WINDOWS\system32\appHelp.dll
0x7a230000 - 0x7a2b1000 C:\WINDOWS\System32\CLBCATQ.DLL
0x770d0000 - 0x7715b000 C:\WINDOWS\system32\OLEAUT32.dll
0x77000000 - 0x770c5000 C:\WINDOWS\System32\COMRes.dll
0x77bb0000 - 0x77bb7000 C:\WINDOWS\system32\VERSION.dll
0x009d0000 - 0x009fb000 C:\WINDOWS\System32\msctfime.ime
0x3a700000 - 0x3a754000 C:\WINDOWS\System32\imjp81.ime
0x648f0000 - 0x649bc000 C:\WINDOWS\System32\IMJP81K.DLL
0x3b100000 - 0x3b11c000 C:\WINDOWS\IME\IMJP8_1\Dicts\IMJPCD.DIC
0x63000000 - 0x63095000 C:\WINDOWS\system32\WININET.dll
0x76210000 - 0x7629a000 C:\WINDOWS\system32\CRYPT32.dll
0x761f0000 - 0x76200000 C:\WINDOWS\system32\MSASN1.dll
0x76f40000 - 0x76f50000 C:\WINDOWS\System32\Secur32.dll
0x76570000 - 0x765bb000 C:\WINDOWS\System32\cscui.dll
0x76550000 - 0x7656b000 C:\WINDOWS\System32\CSCDLL.dll
0x765c0000 - 0x7670d000 C:\WINDOWS\System32\SETUPAPI.dll
0x10000000 - 0x1000e000 C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
0x7c340000 - 0x7c396000 C:\WINDOWS\System32\MSVCR71.dll
0x71c90000 - 0x71cab000 C:\WINDOWS\System32\actxprxy.dll
0x75de0000 - 0x75e8c000 C:\WINDOWS\System32\SXS.DLL
0x1a400000 - 0x1a47d000 C:\WINDOWS\system32\urlmon.dll
0x760c0000 - 0x76148000 C:\WINDOWS\System32\shdoclc.dll
0x746b0000 - 0x7473f000 C:\WINDOWS\System32\mlang.dll
0x71a00000 - 0x71a0a000 C:\WINDOWS\System32\wsock32.dll
0x719e0000 - 0x719f5000 C:\WINDOWS\System32\WS2_32.dll
0x719d0000 - 0x719d8000 C:\WINDOWS\System32\WS2HELP.dll
0x71980000 - 0x719bb000 C:\WINDOWS\system32\mswsock.dll
0x719c0000 - 0x719c8000 C:\WINDOWS\System32\wshtcpip.dll
0x76e90000 - 0x76ec7000 C:\WINDOWS\System32\RASAPI32.DLL
0x76e40000 - 0x76e51000 C:\WINDOWS\System32\rasman.dll
0x71b70000 - 0x71bbe000 C:\WINDOWS\System32\NETAPI32.dll
0x76e60000 - 0x76e8b000 C:\WINDOWS\System32\TAPI32.dll
0x76e30000 - 0x76e3d000 C:\WINDOWS\System32\rtutils.dll
0x76af0000 - 0x76b1a000 C:\WINDOWS\System32\WINMM.dll
0x72220000 - 0x72225000 C:\WINDOWS\System32\sensapi.dll
0x759b0000 - 0x75a52000 C:\WINDOWS\system32\USERENV.dll
0x76f70000 - 0x76f75000 C:\WINDOWS\System32\rasadhlp.dll
0x76ed0000 - 0x76ef5000 C:\WINDOWS\System32\DNSAPI.dll
0x76f60000 - 0x76f67000 C:\WINDOWS\System32\winrnr.dll
0x76f10000 - 0x76f3c000 C:\WINDOWS\system32\WLDAP32.dll
0x71ed0000 - 0x71ed4000 C:\WINDOWS\System32\security.dll
0x76cc0000 - 0x76cdd000 C:\WINDOWS\system32\msv1_0.dll
0x63580000 - 0x6381e000 C:\WINDOWS\System32\mshtml.dll
0x74630000 - 0x74656000 C:\WINDOWS\System32\msimtf.dll
0x64890000 - 0x648e8000 C:\WINDOWS\IME\imjp8_1\IMJPCIC.DLL
0x049a0000 - 0x04ba1000 C:\WINDOWS\System32\msi.dll
0x04bc0000 - 0x04c31000 C:\Program Files\Common Files\Microsoft Shared\Ink\PENJPN.DLL
0x3aa00000 - 0x3aa74000 C:\Program Files\Common Files\Microsoft Shared\IME\IMJP\Applets\IMSKDIC.DLL
0x74bc0000 - 0x74bec000 C:\WINDOWS\System32\oleacc.dll
0x75fd0000 - 0x76031000 C:\WINDOWS\System32\MSVCP60.dll
0x32520000 - 0x32532000 C:\Program Files\Microsoft Office\Office10\msohev.dll
0x6b700000 - 0x6b790000 C:\WINDOWS\System32\jscript.dll
0x74600000 - 0x74627000 C:\WINDOWS\System32\MSLS31.DLL
0x74bf0000 - 0x74c5f000 C:\WINDOWS\System32\mshtmled.dll
0x72d50000 - 0x72e65000 C:\WINDOWS\System32\msxml3.dll
0x72c70000 - 0x72c79000 C:\WINDOWS\System32\wdmaud.drv
0x72c60000 - 0x72c68000 C:\WINDOWS\System32\msacm32.drv
0x77b90000 - 0x77ba4000 C:\WINDOWS\System32\MSACM32.dll
0x77b80000 - 0x77b87000 C:\WINDOWS\System32\midimap.dll
0x649d0000 - 0x649da000 C:\WINDOWS\System32\imgutil.dll
0x6d590000 - 0x6d5a1000 C:\Program Files\Java\jre1.5.0_05\bin\npjpi150_05.dll
0x5c9a0000 - 0x5c9ba000 C:\WINDOWS\System32\OLEPRO32.DLL
0x6d400000 - 0x6d417000 C:\Program Files\Java\jre1.5.0_05\bin\jpiexp32.dll
0x6d450000 - 0x6d468000 C:\Program Files\Java\jre1.5.0_05\bin\jpishare.dll
0x6d640000 - 0x6d7cc000 C:\PROGRA~1\Java\JRE15~1.0_0\bin\client\jvm.dll
0x6d280000 - 0x6d288000 C:\PROGRA~1\Java\JRE15~1.0_0\bin\hpi.dll
0x76ba0000 - 0x76bab000 C:\WINDOWS\System32\PSAPI.DLL
0x6d610000 - 0x6d61c000 C:\PROGRA~1\Java\JRE15~1.0_0\bin\verify.dll
0x6d300000 - 0x6d31d000 C:\PROGRA~1\Java\JRE15~1.0_0\bin\java.dll
0x6d630000 - 0x6d63f000 C:\PROGRA~1\Java\JRE15~1.0_0\bin\zip.dll
0x6d000000 - 0x6d167000 C:\Program Files\Java\jre1.5.0_05\bin\awt.dll
0x72f50000 - 0x72f73000 C:\WINDOWS\System32\WINSPOOL.DRV
0x51000000 - 0x5104d000 C:\WINDOWS\System32\ddraw.dll
0x73b10000 - 0x73b16000 C:\WINDOWS\System32\DCIMAN32.dll
0x5c000000 - 0x5c0c8000 C:\WINDOWS\System32\D3DIM700.DLL
0x6d240000 - 0x6d27d000 C:\Program Files\Java\jre1.5.0_05\bin\fontmanager.dll
0x6d1f0000 - 0x6d203000 C:\Program Files\Java\jre1.5.0_05\bin\deploy.dll
0x6d5d0000 - 0x6d5ed000 C:\Program Files\Java\jre1.5.0_05\bin\RegUtils.dll
0x6d3e0000 - 0x6d3f4000 C:\Program Files\Java\jre1.5.0_05\bin\jpicom32.dll
0x6d4c0000 - 0x6d4d3000 C:\Program Files\Java\jre1.5.0_05\bin\net.dll
0x03ff0000 - 0x0406d000 C:\PROGRA~1\SVFFOR~1\XSvfWeb.ocx
0x73d10000 - 0x73e02000 C:\WINDOWS\System32\MFC42.DLL
0x76300000 - 0x76344000 C:\WINDOWS\system32\comdlg32.dll
0x0a1b0000 - 0x0a23d000 C:\WINDOWS\System32\MSVCP50.dll
0x5f700000 - 0x5f70d000 C:\WINDOWS\System32\MFC42LOC.DLL

VM Arguments:
jvm_args: -Xbootclasspath/a:C:\PROGRA~1\Java\JRE15~1.0_0\lib\deploy.jar;C:\PROGRA~1\Java\JRE15~1.0_0\lib\plugin.jar -Xmx96m -Djavaplugin.maxHeapSize=96m -Xverify:remote -Djavaplugin.version=1.5.0_05 -Djavaplugin.nodotversion=150_05 -Dbrowser=sun.plugin -DtrustProxy=true -Dapplication.home=C:\PROGRA~1\Java\JRE15~1.0_0 -Djava.protocol.handler.pkgs=sun.plugin.net.protocol -Djavaplugin.vm.options=-Djava.class.path=C:\PROGRA~1\Java\JRE15~1.0_0\classes -Xbootclasspath/a:C:\PROGRA~1\Java\JRE15~1.0_0\lib\deploy.jar;C:\PROGRA~1\Java\JRE15~1.0_0\lib\plugin.jar -Xmx96m -Djavaplugin.maxHeapSize=96m -Xverify:remote -Djavaplugin.version=1.5.0_05 -Djavaplugin.nodotversion=150_05 -Dbrowser=sun.plugin -DtrustProxy=true -Dapplication.home=C:\PROGRA~1\Java\JRE15~1.0_0 -Djava.protocol.handler.pkgs=sun.plugin.net.protocol vfprintf
java_command: <unknown>

Environment Variables:
PATH=C:\PROGRA~1\Java\JRE15~1.0_0\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;.
USERNAME=kokuyo
OS=Windows_NT
PROCESSOR_IDENTIFIER=x86 Family 6 Model 8 Stepping 1, AuthenticAMD



--------------- S Y S T E M ---------------

OS: Windows XP Build 2600 Service Pack 1

CPU:total 1 family 6, cmov, cx8, fxsr, mmx, sse

Memory: 4k page, physical 114160k(14964k free), swap 286240k(60544k free)

vm_info: Java HotSpot(TM) Client VM (1.5.0_05-b05) for windows-x86, built on Aug 26 2005 15:36:02 by "java_re" with MS VC++ 6.0