>Here is th args to run with: ${JAVA_HOME}/fastdebug/bin/java 
>>>>-XX:+VerifyBeforeGC -XX:+VerifyAfterGC  "YOUR ARGS"

>>
>>
>>====================================================
>>
>>  VerifyBeforeGC:[Verifying threads permgen tenured generation def new 
>>generation remset ref_proc syms strs zone dict hand C-heap ]
>>  VerifyAfterGC:[Verifying threads permgen tenured generation def new 
>>generation remset ref_proc syms strs zone dict hand C-heap ]
>>Failed dependency of type unique_concrete_method
>>   method  = {method} 'readObject' '(Ljava/io/ObjectInputStream;)V' in 
>>'jGPS/GNIS/GNIScityBase'
>>   witness = jGPS.GNIS.GNISCityInfo
>># To suppress the following error report, specify this argument
>># after -XX: or in .hotspotrc:  SuppressErrorAt=/ciEnv.cpp:717]
>>#
>># An unexpected error has been detected by Java Runtime Environment:
>>#
>>#  Internal Error (/BUILD_AREA/jdk6.0/hotspot/src/share/vm/ci/ciEnv.cpp, 
>>717), pid=2748, tid=98311
>>#
>># Java VM: Java HotSpot(TM) Client VM (1.6.0-beta2-fastdebug-b72-debug 
>>mixed mode)
>>#
>># Error: assert(counter_changed,"failed dependencies, but counter didn't 
>>change")
>># An error report file with more information is saved as hs_err_pid2748.log
>>#
>># If you would like to submit a bug report, please visit:
>>#   http://java.sun.com/webapps/bugreport/crash.jsp
>>#
>>Current thread is 98311
>>Dumping core ...
>>gps: line 12:  2748 Killed 
>>"/home/gat/Desktop/JDK/jdk1.6.0/fastdebug/bin/java" -XX:+VerifyBeforeGC 
>>-XX:+VerifyAfterGC -Djdk.home="/home/gat/Desktop/JDK/jdk1.6.0/" 
>>-classpath "/home/gat/gps/jar/jGPS_II.jar:" -Xmx400m -Xshare:off jGPS.jGPS
>>[gat@Dell725N ~]$
>>--------------------------------------------------------------
>>---------------------------------------------------------------
>>
>>[gat@Dell725N gps]$ cat hs_err_pid2748.log
>>#
>># An unexpected error has been detected by Java Runtime Environment:
>>#
>>#  Internal Error (/BUILD_AREA/jdk6.0/hotspot/src/share/vm/ci/ciEnv.cpp, 
>>717), pid=2748, tid=98311
>>#
>># Java VM: Java HotSpot(TM) Client VM (1.6.0-beta2-fastdebug-b72-debug 
>>mixed mode)
>>#
>># Error: assert(counter_changed,"failed dependencies, but counter didn't 
>>change")
>># If you would like to submit a bug report, please visit:
>>#   http://java.sun.com/webapps/bugreport/crash.jsp
>>#
>>
>>---------------  T H R E A D  ---------------
>>
>>Current thread (0x080e2400):  JavaThread "CompilerThread0" daemon 
>>[_thread_in_vm, id=2755]
>>
>>Stack: [0x00828000,0x008a8000),  sp=0x008a78f4,  free space=510k
>>Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, 
>>C=native code)
>>V  [libjvm.so+0x70d478]
>>V  [libjvm.so+0x372225]
>>V  [libjvm.so+0x2d345d]
>>V  [libjvm.so+0x2d3628]
>>V  [libjvm.so+0x2120ef]
>>V  [libjvm.so+0x21221c]
>>V  [libjvm.so+0x213623]
>>V  [libjvm.so+0x3353ec]
>>V  [libjvm.so+0x3349e2]
>>V  [libjvm.so+0x6c5a9c]
>>V  [libjvm.so+0x606292]
>>C  [libpthread.so.0+0x5ce1]
>>
>>
>>Current CompileTask:
>>HotSpot Client Compiler:200  ! 
>>sun.reflect.GeneratedMethodAccessor2.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object; 
>>(66 bytes)
>>
>>
>>---------------  P R O C E S S  ---------------
>>
>>Java Threads: ( => current thread )
>>   0x08210000 JavaThread "Thread-19" [_thread_blocked, id=2780]
>>   0x08071000 JavaThread "DestroyJavaVM" [_thread_blocked, id=2750]
>>   0x085db400 JavaThread "QuadrantFiller" [_thread_blocked, id=2779]
>>   0x085d5400 JavaThread "RT1Data.QuadrantFiller" [_thread_blocked, id=2778]
>>   0x085d3400 JavaThread "QuadrantFour" [_thread_blocked, id=2777]
>>   0x085d1000 JavaThread "RT1Data.QuadrantFour" [_thread_blocked, id=2776]
>>   0x085cbc00 JavaThread "QuadrantThree" [_thread_blocked, id=2775]
>>   0x085c9800 JavaThread "RT1Data.QuadrantThree" [_thread_blocked, id=2774]
>>   0x085c7400 JavaThread "QuadrantTwo" [_thread_blocked, id=2773]
>>   0x085c5400 JavaThread "RT1Data.QuadrantTwo" [_thread_blocked, id=2772]
>>   0x085c0400 JavaThread "QuadrantOne" [_thread_blocked, id=2771]
>>   0x085bf000 JavaThread "RT1Data.QuadrantOne" [_thread_blocked, id=2770]
>>   0x080ac400 JavaThread "AWT-EventQueue-0" [_thread_blocked, id=2769]
>>   0x0825a000 JavaThread "AWT-Shutdown" [_thread_blocked, id=2768]
>>   0x081fb000 JavaThread "Thread-8" [_thread_blocked, id=2767]
>>   0x08b0cc00 JavaThread "FilePort_Binary" [_thread_blocked, id=2766]
>>   0x08a35400 JavaThread "Thread-5" [_thread_blocked, id=2765]
>>   0x08a93800 JavaThread "WhichCityState Am I In?" [_thread_blocked, 
>>id=2763]
>>   0x088f3800 JavaThread "AWT-Motif" daemon [_thread_in_native, id=2761]
>>   0x0880a000 JavaThread "Java2D Disposer" daemon [_thread_blocked, id=2759]
>>   0x08787400 JavaThread "JgpsEventDispatcher" [_thread_blocked, id=2758]
>>   0x080e5400 JavaThread "Low Memory Detector" daemon [_thread_blocked, 
>>id=2756]
>>=>0x080e2400 JavaThread "CompilerThread0" daemon [_thread_in_vm, id=2755]
>>   0x080e0c00 JavaThread "Signal Dispatcher" daemon [_thread_blocked, 
>>id=2754]
>>   0x080ca400 JavaThread "Finalizer" daemon [_thread_blocked, id=2753]
>>   0x080c5000 JavaThread "Reference Handler" daemon [_thread_blocked, 
>>id=2752]
>>
>>Other Threads:
>>   0x080bf800 VMThread [id=2751]
>>   0x080ea000 WatcherThread [id=2757]
>>
>>VM state:not at safepoint (normal execution)
>>
>>VM Mutex/Monitor currently owned by a thread:  ([mutex/lock_event])
>>[0x0806f868/0x0806f8c8] Compile_lock - owner thread: 0x080e2400
>>[0x0806fb30/0x0806fba0] MethodCompileQueue_lock - owner thread: 0x080e2400
>>
>>Heap
>>  def new generation   total 960K, used 644K [0xda000000, 0xda100000, 
>>0xdbec0000)  eden space 896K,  64% used [0xda000000, 0xda091358, 0xda0e0000)
>>   from space 64K, 100% used [0xda0e0000, 0xda0f0000, 0xda0f0000)
>>   to   space 64K,   0% used [0xda0f0000, 0xda0f0000, 0xda100000)
>>  tenured generation   total 6296K, used 6147K [0xdbec0000, 0xdc4e6000, 
>>0xf3000000)
>>    the space 6296K,  97% used [0xdbec0000, 0xdc4c0e40, 0xdc4c1000, 
>>0xdc4e6000)
>>  compacting perm gen  total 12288K, used 12231K [0xf3000000, 
>>0xf3c00000, 0xf7000000)
>>    the space 12288K,  99% used [0xf3000000, 0xf3bf1e08, 0xf3bf2000, 
>>0xf3c00000)
>>No shared spaces configured.
>>
>>Dynamic libraries:
>>00111000-00112000 rwxp 00111000 00:00 0
>>00112000-00134000 r-xp 00000000 22:01 129770 
>>/home/gat/Desktop/JDK/jdk1.6.0/fastdebug/jre/lib/i386/libjava.so
>>00134000-00136000 rwxp 00021000 22:01 129770 
>>/home/gat/Desktop/JDK/jdk1.6.0/fastdebug/jre/lib/i386/libjava.so
>>00136000-0013d000 r-xp 00000000 16:01 82113      /usr/X11R6/lib/libXi.so.6.0
>>0013d000-0013e000 rwxp 00006000 16:01 82113      /usr/X11R6/lib/libXi.so.6.0
>>00141000-00145000 ---p 00141000 00:00 0
>>00145000-00192000 rwxp 00145000 00:00 0
>>00192000-001a1000 r-xp 00000000 22:01 129774 
>>/home/gat/Desktop/JDK/jdk1.6.0/fastdebug/jre/lib/i386/libzip.so
>>001a1000-001a3000 rwxp 0000f000 22:01 129774 
>>/home/gat/Desktop/JDK/jdk1.6.0/fastdebug/jre/lib/i386/libzip.so
>>001a3000-001aa000 r-xp 00000000 16:01 82083      /usr/X11R6/lib/libSM.so.6.0
>>001aa000-001ab000 rwxp 00007000 16:01 82083      /usr/X11R6/lib/libSM.so.6.0
>>001af000-002d0000 r-xp 00000000 16:01 81945      /lib/i686/libc-2.3.3.so
>>002d0000-002d1000 ---p 00121000 16:01 81945      /lib/i686/libc-2.3.3.so
>>002d1000-002d3000 r-xp 00121000 16:01 81945      /lib/i686/libc-2.3.3.so
>>002d3000-002d5000 rwxp 00123000 16:01 81945      /lib/i686/libc-2.3.3.so
>>002d5000-002de000 rwxp 002d5000 00:00 0
>>002de000-002f8000 rwxp 002de000 00:00 0
>>002f8000-002ff000 r-xp 00000000 22:01 129779 
>>/home/gat/Desktop/JDK/jdk1.6.0/fastdebug/jre/lib/i386/libnio.so
>>002ff000-00300000 rwxp 00006000 22:01 129779 
>>/home/gat/Desktop/JDK/jdk1.6.0/fastdebug/jre/lib/i386/libnio.so
>>00300000-00306000 r-xs 00000000 16:01 229688 
>>/usr/lib/gconv/gconv-modules.cache
>>00306000-0030e000 r-xp 00000000 16:01 82097 
>>/usr/X11R6/lib/libXcursor.so.1.0.2
>>0030e000-0030f000 rwxp 00007000 16:01 82097 
>>/usr/X11R6/lib/libXcursor.so.1.0.2
>>0030f000-00316000 r-xp 00000000 16:01 82125 
>>/usr/X11R6/lib/libXrender.so.1.2.2
>>00316000-00317000 rwxp 00006000 16:01 82125 
>>/usr/X11R6/lib/libXrender.so.1.2.2
>>0031a000-0033b000 r-xp 00000000 16:01 82044      /lib/i686/libm-2.3.3.so
>>0033b000-0033c000 r-xp 00020000 16:01 82044      /lib/i686/libm-2.3.3.so
>>0033c000-0033d000 rwxp 00021000 16:01 82044      /lib/i686/libm-2.3.3.so
>>0033d000-0034a000 r-xp 00000000 16:01 82103 
>>/usr/X11R6/lib/libXext.so.6.4
>>0034a000-0034b000 rwxp 0000c000 16:01 82103 
>>/usr/X11R6/lib/libXext.so.6.4
>>0034b000-00354000 r-xp 00000000 16:01 196759 
>>/usr/X11R6/lib/X11/locale/lib/common/xomGeneric.so.2
>>00354000-00355000 rwxp 00008000 16:01 196759 
>>/usr/X11R6/lib/X11/locale/lib/common/xomGeneric.so.2
>>0035f000-00371000 r-xp 00000000 16:01 65690      /lib/libnsl-2.3.3.so
>>00371000-00372000 r-xp 00011000 16:01 65690      /lib/libnsl-2.3.3.so
>>00372000-00373000 rwxp 00012000 16:01 65690      /lib/libnsl-2.3.3.so
>>00373000-0037c000 rwxp 00373000 00:00 0
>>0037c000-003f5000 rwxp 0037c000 00:00 0
>>003f5000-003f6000 rwxp 003f5000 00:00 0
>>003f6000-00404000 rwxp 003f6000 00:00 0
>>00404000-00408000 rwxp 00404000 00:00 0
>>00408000-004bd000 rwxp 00408000 00:00 0
>>004bd000-004c3000 rwxp 004bd000 00:00 0
>>004c3000-004dd000 rwxp 004c3000 00:00 0
>>004dd000-004e2000 rwxp 004dd000 00:00 0
>>004e2000-00597000 rwxp 004e2000 00:00 0
>>00597000-0060b000 rwxp 00597000 00:00 0
>>0060b000-0060e000 ---p 0060b000 00:00 0
>>0060e000-0065b000 rwxp 0060e000 00:00 0
>>0065b000-00670000 r-xp 00000000 16:01 82079 
>>/usr/X11R6/lib/libICE.so.6.3
>>00670000-00671000 rwxp 00014000 16:01 82079 
>>/usr/X11R6/lib/libICE.so.6.3
>>00671000-00673000 rwxp 00671000 00:00 0
>>00673000-0068d000 r-xp 00000000 16:01 196754 
>>/usr/X11R6/lib/X11/locale/lib/common/ximcp.so.2
>>0068d000-0068f000 rwxp 0001a000 16:01 196754 
>>/usr/X11R6/lib/X11/locale/lib/common/ximcp.so.2
>>00699000-006a1000 rwxs 00000000 16:01 116793     /tmp/hsperfdata_gat/2748
>>006ef000-006f0000 ---p 006ef000 00:00 0
>>006f0000-00770000 rwxp 006f0000 00:00 0
>>00770000-00773000 ---p 00770000 00:00 0
>>00773000-007c0000 rwxp 00773000 00:00 0
>>007c7000-007c8000 rwxp 007c7000 00:00 0
>>007d5000-007e3000 r-xp 00000000 16:01 82046 
>>/lib/i686/libpthread-0.10.so
>>007e3000-007e4000 r-xp 0000d000 16:01 82046 
>>/lib/i686/libpthread-0.10.so
>>007e4000-007e5000 rwxp 0000e000 16:01 82046 
>>/lib/i686/libpthread-0.10.so
>>007e5000-00827000 rwxp 007e5000 00:00 0
>>00827000-0082b000 ---p 00827000 00:00 0
>>0082b000-008a8000 rwxp 0082b000 00:00 0
>>008a8000-008ab000 ---p 008a8000 00:00 0
>>008ab000-008f8000 rwxp 008ab000 00:00 0
>>008f8000-00944000 r-xp 00000000 16:01 82129      /usr/X11R6/lib/libXt.so.6.0
>>00944000-00947000 rwxp 0004b000 16:01 82129      /usr/X11R6/lib/libXt.so.6.0
>>00947000-00948000 rwxp 00947000 00:00 0
>>00956000-0095d000 r-xp 00000000 16:01 82062      /lib/i686/librt-2.3.3.so
>>0095d000-0095e000 ---p 00007000 16:01 82062      /lib/i686/librt-2.3.3.so
>>0095e000-0095f000 r-xp 00007000 16:01 82062      /lib/i686/librt-2.3.3.so
>>0095f000-00960000 rwxp 00008000 16:01 82062      /lib/i686/librt-2.3.3.so
>>00960000-0096a000 rwxp 00960000 00:00 0
>>00970000-00984000 r-xp 00000000 22:01 129778 
>>/home/gat/Desktop/JDK/jdk1.6.0/fastdebug/jre/lib/i386/libnet.so
>>00984000-00985000 rwxp 00013000 22:01 129778 
>>/home/gat/Desktop/JDK/jdk1.6.0/fastdebug/jre/lib/i386/libnet.so
>>009b0000-009b9000 r-xp 00000000 22:01 129756 
>>/home/gat/Desktop/JDK/jdk1.6.0/fastdebug/jre/lib/i386/native_threads/libhpi.so
>>009b9000-009ba000 rwxp 00009000 22:01 129756 
>>/home/gat/Desktop/JDK/jdk1.6.0/fastdebug/jre/lib/i386/native_threads/libhpi.so
>>009ba000-009bb000 ---p 009ba000 00:00 0
>>009bb000-00a3b000 rwxp 009bb000 00:00 0
>>00a53000-00a57000 r-xp 00000000 16:01 82131 
>>/usr/X11R6/lib/libXtst.so.6.1
>>00a57000-00a58000 rwxp 00003000 16:01 82131 
>>/usr/X11R6/lib/libXtst.so.6.1
>>00a64000-00a79000 r-xp 00000000 16:01 65596      /lib/ld-2.3.3.so
>>00a79000-00a7a000 r-xp 00014000 16:01 65596      /lib/ld-2.3.3.so
>>00a7a000-00a7b000 rwxp 00015000 16:01 65596      /lib/ld-2.3.3.so
>>00a7b000-00a7e000 ---p 00a7b000 00:00 0
>>00a7e000-00acb000 rwxp 00a7e000 00:00 0
>>00b0e000-00b0f000 rwxp 00b0e000 00:00 0
>>00b19000-00b2d000 r-xp 00000000 16:01 82117 
>>/usr/X11R6/lib/libXmu.so.6.2
>>00b2d000-00b2e000 rwxp 00014000 16:01 82117 
>>/usr/X11R6/lib/libXmu.so.6.2
>>00b7a000-00b7c000 r-xp 00000000 16:01 65686      /lib/libdl-2.3.3.so
>>00b7c000-00b7d000 r-xp 00001000 16:01 65686      /lib/libdl-2.3.3.so
>>00b7d000-00b7e000 rwxp 00002000 16:01 65686      /lib/libdl-2.3.3.so
>>00b7e000-00b81000 ---p 00b7e000 00:00 0
>>00b81000-00bce000 rwxp 00b81000 00:00 0
>>00bf8000-00c04000 r-xp 00000000 22:01 129769 
>>/home/gat/Desktop/JDK/jdk1.6.0/fastdebug/jre/lib/i386/libverify.so
>>00c04000-00c05000 rwxp 0000b000 22:01 129769 
>>/home/gat/Desktop/JDK/jdk1.6.0/fastdebug/jre/lib/i386/libverify.so
>>00c52000-00c5a000 r-xp 00000000 22:01 129772 
>>/home/gat/Desktop/JDK/jdk1.6.0/fastdebug/jre/lib/i386/jli/libjli.so
>>00c5a000-00c5c000 rwxp 00007000 22:01 129772 
>>/home/gat/Desktop/JDK/jdk1.6.0/fastdebug/jre/lib/i386/jli/libjli.so
>>00c5c000-00c5f000 ---p 00c5c000 00:00 0
>>00c5f000-00cac000 rwxp 00c5f000 00:00 0
>>00cc6000-00cd1000 r-xs 0045a000 22:01 34710 
>>/home/gat/gps/jar/jGPS_II.jar
>>00d13000-00d14000 rwxp 00d13000 00:00 0
>>00d41000-00d48000 r-xp 00000000 16:01 84336      /usr/X11R6/lib/libXp.so.6.2
>>00d48000-00d49000 rwxp 00006000 16:01 84336      /usr/X11R6/lib/libXp.so.6.2
>>00d49000-00d4c000 ---p 00d49000 00:00 0
>>00d4c000-00d99000 rwxp 00d4c000 00:00 0
>>00da1000-00da2000 r-xp 00da1000 00:00 0
>>00da2000-00da5000 ---p 00da2000 00:00 0
>>00da5000-00df2000 rwxp 00da5000 00:00 0
>>00df6000-00e1e000 rwxp 00df6000 00:00 0
>>00e1f000-00e20000 r-xp 00000000 16:01 196756 
>>/usr/X11R6/lib/X11/locale/lib/common/xlcUTF8Load.so.2
>>00e20000-00e21000 rwxp 00000000 16:01 196756 
>>/usr/X11R6/lib/X11/locale/lib/common/xlcUTF8Load.so.2
>>00e5c000-00e5f000 ---p 00e5c000 00:00 0
>>00e5f000-00eac000 rwxp 00e5f000 00:00 0
>>00eac000-00eaf000 ---p 00eac000 00:00 0
>>00eaf000-00efc000 rwxp 00eaf000 00:00 0
>>00f0f000-00f3f000 rwxp 00f0f000 00:00 0
>>00f42000-00f4b000 r-xp 00000000 16:01 65696      /lib/libnss_files-2.3.3.so
>>00f4b000-00f4c000 r-xp 00008000 16:01 65696      /lib/libnss_files-2.3.3.so
>>00f4c000-00f4d000 rwxp 00009000 16:01 65696      /lib/libnss_files-2.3.3.so
>>00f4d000-010d5000 rwxp 00f4d000 00:00 0
>>010d5000-02f4d000 rwxp 010d5000 00:00 0
>>02f4d000-0314d000 r-xp 00000000 16:01 85850 
>>/usr/lib/locale/locale-archive
>>0314d000-03219000 r-xp 00000000 22:01 129787 
>>/home/gat/Desktop/JDK/jdk1.6.0/fastdebug/jre/lib/i386/libmlib_image.so
>>03219000-0321a000 rwxp 000cb000 22:01 129787 
>>/home/gat/Desktop/JDK/jdk1.6.0/fastdebug/jre/lib/i386/libmlib_image.so
>>0321a000-032a4000 r-xp 00000000 22:01 129797 
>>/home/gat/Desktop/JDK/jdk1.6.0/fastdebug/jre/lib/i386/libfontmanager.so
>>032a4000-032af000 rwxp 0008a000 22:01 129797 
>>/home/gat/Desktop/JDK/jdk1.6.0/fastdebug/jre/lib/i386/libfontmanager.so
>>032af000-032b3000 rwxp 032af000 00:00 0
>>032b3000-032b6000 ---p 032b3000 00:00 0
>>032b6000-03303000 rwxp 032b6000 00:00 0
>>03303000-03306000 ---p 03303000 00:00 0
>>03306000-03353000 rwxp 03306000 00:00 0
>>03353000-03414000 r-xs 00000000 00:06 1376268    /SYSV00000000 (deleted)
>>0345b000-035ce000 r-xs 035ee000 22:01 129813 
>>/home/gat/Desktop/JDK/jdk1.6.0/fastdebug/jre/lib/rt.jar
>>035ce000-0362b000 r-xp 00000000 22:01 129799 
>>/home/gat/Desktop/JDK/jdk1.6.0/fastdebug/jre/lib/i386/libcmm.so
>>0362b000-0362e000 rwxp 0005d000 22:01 129799 
>>/home/gat/Desktop/JDK/jdk1.6.0/fastdebug/jre/lib/i386/libcmm.so
>>0362e000-03631000 ---p 0362e000 00:00 0
>>03631000-0367e000 rwxp 03631000 00:00 0
>>0367e000-03681000 ---p 0367e000 00:00 0
>>03681000-036ce000 rwxp 03681000 00:00 0
>>036ce000-036d1000 ---p 036ce000 00:00 0
>>036d1000-0371e000 rwxp 036d1000 00:00 0
>>0371e000-03721000 ---p 0371e000 00:00 0
>>03721000-0376e000 rwxp 03721000 00:00 0
>>0376e000-03771000 ---p 0376e000 00:00 0
>>03771000-037be000 rwxp 03771000 00:00 0
>>037be000-037c1000 ---p 037be000 00:00 0
>>037c1000-0380e000 rwxp 037c1000 00:00 0
>>0380e000-03811000 ---p 0380e000 00:00 0
>>03811000-0385e000 rwxp 03811000 00:00 0
>>0385e000-0391f000 r-xs 000