If this is not correct catogory please change this issue to correct subcategory.

Pre condition.
I was using Adventure builder application in IDE. Currently it contains approximately 14 java projects opend. (In the past I used severals times this application and did not see this issue)

How to reproduce :
Start IDE.
IDE scans the classpath and suddenly it crashes.


#
# An unexpected error has been detected by HotSpot Virtual Machine:
#
# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x6d777b7a, pid=236, tid=4048
#
# Java VM: Java HotSpot(TM) Client VM (1.5.0_04-b05 mixed mode, sharing)
# Problematic frame:
# V [jvm.dll+0xc7b7a]
#

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

Current thread (0x00a66480): VMThread [id=4048]

siginfo: ExceptionCode=0xc0000005, writing address 0x2afb65d8

Registers:
EAX=0x0cfefee0, EBX=0x2b6f3478, ECX=0x2afb65d8, EDX=0x6d7d4df0
ESP=0x0099f9ec, EBP=0x0099fa18, ESI=0x000000d0, EDI=0x2afb65d8
EIP=0x6d777b7a, EFLAGS=0x00010293

Top of Stack: (sp=0x0099f9ec)
0x0099f9ec: 6d777876 2afb65d8 2b6f3484 000000d0
0x0099f9fc: 6d70f9d0 2b6f37d4 6d81a908 2b390280
0x0099fa0c: 00000000 2b6f3bd0 2b6f37d4 0099fa5c
0x0099fa1c: 6d777919 2b6f3478 6d7778dd 6d81a908
0x0099fa2c: 6d777b38 6d81ecb8 6d7b853d 6d81ecb8
0x0099fa3c: 6d81a908 00a48678 6d71d4d8 6d81a908
0x0099fa4c: 00000000 00000001 00a48678 00000000
0x0099fa5c: 0099fac4 6d71e722 00000001 00000000

Instructions: (pc=0x6d777b7a)
0x6d777b6a: 83 e0 fc 74 02 89 01 c2 04 00 8b 4c 24 04 8b 01
0x6d777b7a: c7 01 03 00 00 00 83 f8 01 74 1a 8b d0 83 e2 03


Stack: [0x00960000,0x009a0000), sp=0x0099f9ec, free space=254k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [jvm.dll+0xc7b7a]
V [jvm.dll+0xc7919]
V [jvm.dll+0x6e722]
V [jvm.dll+0x6e4b9]
V [jvm.dll+0x71afb]
V [jvm.dll+0xffd2b]
V [jvm.dll+0x6d2fa]
V [jvm.dll+0x6d98a]
V [jvm.dll+0x11a6ae]
V [jvm.dll+0x11a185]
V [jvm.dll+0x11a325]
V [jvm.dll+0x11a0ba]
C [MSVCRT.dll+0x2a3b0]
C [kernel32.dll+0xb50b]

VM_Operation (0x039af504): full generation collection, mode: safepoint, requested by thread 0x03711590


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

Java Threads: ( => current thread )
  0x03f2da30 JavaThread "Inactive RequestProcessor thread [Was:Folder recognizer/org.openide.loaders.FolderList$ListTask]" daemon [_thread_blocked, id=1964]
  0x03e70e30 JavaThread "MDR event dispatcher" daemon [_thread_blocked, id=3348]
  0x00abe508 JavaThread "Collaboration Notification" daemon [_thread_blocked, id=3416]
  0x00035aa0 JavaThread "DestroyJavaVM" [_thread_blocked, id=2968]
  0x03daaae8 JavaThread "TimerQueue" daemon [_thread_blocked, id=4076]
  0x0348c870 JavaThread "AWT-EventQueue-1" [_thread_blocked, id=3488]
  0x03d9ebe8 JavaThread "Timer-1" [_thread_blocked, id=4024]
  0x03d966f8 JavaThread "RoundtripQueue" [_thread_blocked, id=3744]
  0x041c2a08 JavaThread "Inactive RequestProcessor thread [Was:TimedSoftReference/org.openide.util.TimedSoftReference]" daemon [_thread_blocked, id=484]
  0x03711590 JavaThread "Scanning Queue" daemon [_thread_blocked, id=1536]
  0x03711410 JavaThread "OpenIDE-request-processor-2" daemon [_thread_blocked, id=3332]
  0x035066b0 JavaThread "Inactive RequestProcessor thread [Was:TimedSoftReference/org.openide.util.TimedSoftReference]" daemon [_thread_blocked, id=3612]
  0x03482840 JavaThread "AWT-Shutdown" [_thread_blocked, id=1232]
  0x02fa5db8 JavaThread "Active Reference Queue Daemon" daemon [_thread_blocked, id=2476]
  0x02f04008 JavaThread "Timer-0" daemon [_thread_blocked, id=3364]
  0x02ef78e0 JavaThread "CLI Requests Server" daemon [_thread_in_native, id=2188]
  0x02ec4530 JavaThread "Java2D Disposer" daemon [_thread_blocked, id=2852]
  0x02e99020 JavaThread "AWT-Windows" daemon [_thread_in_native, id=2772]
  0x00a71040 JavaThread "Low Memory Detector" daemon [_thread_blocked, id=3764]
  0x00a6fd48 JavaThread "CompilerThread0" daemon [_thread_blocked, id=1176]
  0x00a6efa8 JavaThread "Signal Dispatcher" daemon [_thread_blocked, id=2256]
  0x00a6a200 JavaThread "Finalizer" daemon [_thread_blocked, id=3732]
  0x00a68d20 JavaThread "Reference Handler" daemon [_thread_blocked, id=1272]

Other Threads:
=>0x00a66480 VMThread [id=4048]
  0x00a93bc0 WatcherThread [id=1028]

VM state:at safepoint (normal execution)

VM Mutex/Monitor currently owned by a thread: ([mutex/lock_event])
[0x00038448/0x0000071c] Threads_lock - owner thread: 0x00a66480
[0x000385c8/0x000006e0] Heap_lock - owner thread: 0x03711590

Heap
 def new generation total 18176K, used 11319K [0x04b90000, 0x05f40000, 0x072f0000)
  eden space 16192K, 57% used [0x04b90000, 0x054add88, 0x05b60000)
  from space 1984K, 100% used [0x05b60000, 0x05d50000, 0x05d50000)
  to space 1984K, 0% used [0x05d50000, 0x05d50000, 0x05f40000)
 tenured generation total 241984K, used 67026K [0x072f0000, 0x15f40000, 0x24b90000)
   the space 241984K, 27% used [0x072f0000, 0x0b464b78, 0x0b464c00, 0x15f40000)
 compacting perm gen total 36864K, used 36863K [0x24b90000, 0x26f90000, 0x2ab90000)
   the space 36864K, 99% used [0x24b90000, 0x26f8ffa0, 0x26f90000, 0x26f90000)
    ro space 8192K, 66% used [0x2ab90000, 0x2b0e9dc0, 0x2b0e9e00, 0x2b390000)
    rw space 12288K, 46% used [0x2b390000, 0x2b927e98, 0x2b928000, 0x2bf90000)

Dynamic libraries:
0x00400000 - 0x0040c000 D:\Program Files\Java\jdk1.5.0_04\jre\bin\java.exe
0x7c900000 - 0x7c9b0000 D:\WINDOWS\system32\ntdll.dll
0x7c800000 - 0x7c8f4000 D:\WINDOWS\system32\kernel32.dll
0x77dd0000 - 0x77e6b000 D:\WINDOWS\system32\ADVAPI32.dll
0x77e70000 - 0x77f01000 D:\WINDOWS\system32\RPCRT4.dll
0x77c10000 - 0x77c68000 D:\WINDOWS\system32\MSVCRT.dll
0x6d6b0000 - 0x6d839000 D:\Program Files\Java\jdk1.5.0_04\jre\bin\client\jvm.dll
0x77d40000 - 0x77dd0000 D:\WINDOWS\system32\USER32.dll
0x77f10000 - 0x77f56000 D:\WINDOWS\system32\GDI32.dll
0x76b40000 - 0x76b6d000 D:\WINDOWS\system32\WINMM.dll
0x76390000 - 0x763ad000 D:\WINDOWS\system32\IMM32.DLL
0x629c0000 - 0x629c9000 D:\WINDOWS\system32\LPK.DLL
0x74d90000 - 0x74dfb000 D:\WINDOWS\system32\USP10.dll
0x6d2f0000 - 0x6d2f8000 D:\Program Files\Java\jdk1.5.0_04\jre\bin\hpi.dll
0x76bf0000 - 0x76bfb000 D:\WINDOWS\system32\PSAPI.DLL
0x6d680000 - 0x6d68c000 D:\Program Files\Java\jdk1.5.0_04\jre\bin\verify.dll
0x6d370000 - 0x6d38d000 D:\Program Files\Java\jdk1.5.0_04\jre\bin\java.dll
0x6d6a0000 - 0x6d6af000 D:\Program Files\Java\jdk1.5.0_04\jre\bin\zip.dll
0x6d530000 - 0x6d543000 D:\Program Files\Java\jdk1.5.0_04\jre\bin\net.dll
0x71ab0000 - 0x71ac7000 D:\WINDOWS\system32\WS2_32.dll
0x71aa0000 - 0x71aa8000 D:\WINDOWS\system32\WS2HELP.dll
0x76d60000 - 0x76d79000 D:\WINDOWS\system32\iphlpapi.dll
0x76d40000 - 0x76d58000 D:\WINDOWS\system32\MPRAPI.dll
0x77cc0000 - 0x77cf2000 D:\WINDOWS\system32\ACTIVEDS.dll
0x76e10000 - 0x76e35000 D:\WINDOWS\system32\adsldpc.dll
0x5b860000 - 0x5b8b4000 D:\WINDOWS\system32\NETAPI32.dll
0x76f60000 - 0x76f8c000 D:\WINDOWS\system32\WLDAP32.dll
0x76b20000 - 0x76b31000 D:\WINDOWS\system32\ATL.DLL
0x774e0000 - 0x7761d000 D:\WINDOWS\system32\ole32.dll
0x77120000 - 0x771ac000 D:\WINDOWS\system32\OLEAUT32.dll
0x76e80000 - 0x76e8e000 D:\WINDOWS\system32\rtutils.dll
0x71bf0000 - 0x71c03000 D:\WINDOWS\system32\SAMLIB.dll
0x77920000 - 0x77a13000 D:\WINDOWS\system32\SETUPAPI.dll
0x71a50000 - 0x71a8f000 D:\WINDOWS\system32\mswsock.dll
0x662b0000 - 0x66308000 D:\WINDOWS\system32\hnetcfg.dll
0x71a90000 - 0x71a98000 D:\WINDOWS\System32\wshtcpip.dll
0x76f20000 - 0x76f47000 D:\WINDOWS\system32\DNSAPI.dll
0x76fb0000 - 0x76fb8000 D:\WINDOWS\System32\winrnr.dll
0x76fc0000 - 0x76fc6000 D:\WINDOWS\system32\rasadhlp.dll
0x6d070000 - 0x6d1d7000 D:\Program Files\Java\jdk1.5.0_04\jre\bin\awt.dll
0x73000000 - 0x73026000 D:\WINDOWS\system32\WINSPOOL.DRV
0x5ad70000 - 0x5ada8000 D:\WINDOWS\system32\uxtheme.dll
0x73760000 - 0x737a9000 D:\WINDOWS\system32\ddraw.dll
0x73bc0000 - 0x73bc6000 D:\WINDOWS\system32\DCIMAN32.dll
0x73940000 - 0x73a10000 D:\WINDOWS\system32\D3DIM700.DLL
0x755c0000 - 0x755ee000 D:\WINDOWS\system32\msctfime.ime
0x7c9c0000 - 0x7d1d4000 D:\WINDOWS\system32\shell32.dll
0x77f60000 - 0x77fd6000 D:\WINDOWS\system32\SHLWAPI.dll
0x773d0000 - 0x774d2000 D:\WINDOWS\WinSxS\x86_Microsoft.Windows.Common-Controls_6595b64144ccf1df_6.0.2600.2180_x-ww_a84f1ff9\comctl32.dll
0x5d090000 - 0x5d127000 D:\WINDOWS\system32\comctl32.dll
0x6d2b0000 - 0x6d2ed000 D:\Program Files\Java\jdk1.5.0_04\jre\bin\fontmanager.dll
0x6d550000 - 0x6d559000 D:\Program Files\Java\jdk1.5.0_04\jre\bin\nio.dll
0x03170000 - 0x03198000 D:\WINDOWS\system32\rsaenh.dll
0x769c0000 - 0x76a73000 D:\WINDOWS\system32\USERENV.dll
0x71b20000 - 0x71b32000 D:\WINDOWS\system32\MPR.dll
0x75f60000 - 0x75f67000 D:\WINDOWS\System32\drprov.dll
0x71c10000 - 0x71c1e000 D:\WINDOWS\System32\ntlanman.dll
0x71cd0000 - 0x71ce7000 D:\WINDOWS\System32\NETUI0.dll
0x71c90000 - 0x71cd0000 D:\WINDOWS\System32\NETUI1.dll
0x71c80000 - 0x71c87000 D:\WINDOWS\System32\NETRAP.dll
0x75f70000 - 0x75f79000 D:\WINDOWS\System32\davclnt.dll
0x77b40000 - 0x77b62000 D:\WINDOWS\system32\appHelp.dll
0x6d200000 - 0x6d22f000 D:\Program Files\Java\jdk1.5.0_04\jre\bin\cmm.dll
0x6d430000 - 0x6d44f000 D:\Program Files\Java\jdk1.5.0_04\jre\bin\jpeg.dll
0x6d230000 - 0x6d253000 D:\Program Files\Java\jdk1.5.0_04\jre\bin\dcpr.dll

VM Arguments:
jvm_args: -Dnetbeans.importclass=com.sun.tools.ide.upgrade.Upgrade -Xms256m -Xmx512m -XX:PermSize=32m -XX:MaxPermSize=96m -Dnetbeans.logger.console=true -ea -Dsun.java2d.pmoffscreen=false -Dcom.sun.im.service.xmpp.session.keepaliveinterval=30 -Dcom.sun.aas.installRoot=D:\Program Files\Sun\jstudio_ent8\AppServ8.1UR2 -Dnetbeans.osenv=D:\DOCUME~1\pcmr\LOCALS~1\Temp\nbenv3 -Dnetbeans.osenv.nullsep=true -Djdk.home=D:\Program Files\Java\jdk1.5.0_04 -Dnetbeans.home=D:\Program Files\Sun\jstudio_ent8\ide\platform5 -Dnetbeans.dirs=D:\Program Files\Sun\jstudio_ent8\ide\jse8;D:\Program Files\Sun\jstudio_ent8\ide\ide5;D:\Program Files\Sun\jstudio_ent8\ide\enterprise1;D:\Program Files\Sun\jstudio_ent8\ide\infra1;D:\Program Files\Sun\jstudio_ent8\ide\visdev1;D:\Program Files\Sun\jstudio_ent8\ide\collab1;D:\Program Files\Sun\jstudio_ent8\ide\uml1;D:\Program Files\Sun\jstudio_ent8\ide\jesprofiler1;D:\Program Files\Sun\jstudio_ent8\ide\mobility7.1;D:\Program Files\Sun\jstudio_ent8\ide\portlet
builder1;D:\Program Files\Sun\jstudio_ent8\ide\jesprofiler1;D:\Program Files\Sun\jstudio_ent8\ide\infra1 -Dnetbeans.user=D:\Documents and Settings\pcmr\.jstudio\Ent8 -Dnetbeans.system_http_proxy=129.146.11.18:8080 -Dsun.awt.keepWorkingSetOnMinimize=true
java_command: org/netbeans/Main --branding jse

Environment Variables:
JAVA_HOME=D:\Program Files\Java\jdk1.5.0_04
CLASSPATH=H:\Sun\JavaESBeta\Shared\lib\saaj-impl.jar;H:\Sun\JavaESBeta\Shared\lib\saaj-api.jar;H:\Sun\JavaESBeta\Shared\lib\ktsearch.jar;H:\Sun\JavaESBeta\Shared\lib\jss4.jar;H:\Sun\JavaESBeta\Shared\lib\jhall.jar;H:\Sun\JavaESBeta\Shared\lib\commons-logging.jar;H:\Sun\JavaESBeta\Shared\lib\activation.jar;H:\Sun\JavaESBeta\Shared\lib\ldapjdk.jar;H:\Sun\JavaESBeta\Shared\lib\mail.jar
PATH=;;;;D:\WINDOWS\system32;c:\Sun\AppServer\bin;D:\Program Files\Sun\jstudio_ent8\ide\uml1\modules\DoorsIntegrationFiles\modules\bin;c:\Sun\jstudio_04Q4\Ent_04Q4\modules\bin;D:\Program Files\Sun\jstudio_ent8\AppServ8.1UR2\bin;;;C:\Sun\jwsdp-1.6\jwsdp-shared\bin;;;;;;;;c:\patch\Sun\AppServer\bin;;;;;;;;;;D:\WINDOWS\system32;c:\Sun\AppServer\bin;D:\Program Files\Sun\jstudio_ent8\ide\uml1\modules\DoorsIntegrationFiles\modules\bin
USERNAME=pcmr
OS=Windows_NT
PROCESSOR_IDENTIFIER=x86 Family 15 Model 2 Stepping 9, GenuineIntel



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

OS: Windows XP Build 2600 Service Pack 2

CPU:total 2 family 15, cmov, cx8, fxsr, mmx, sse, sse2, ht

Memory: 4k page, physical 1047020k(493740k free), swap 2622440k(2055712k free)

vm_info: Java HotSpot(TM) Client VM (1.5.0_04-b05) for windows-x86, built on Jun 3 2005 02:10:41 by "java_re" with MS VC++ 6.0