[DrJava] [ drjava-Bugs-3114101 ] dr.java cannot run

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Bugs item #3114101, was opened at 2010-11-20 21:36
Message generated for change (Tracker Item Submitted) made by nicholasxuu
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=438935&aid=3114101&group_id=44253

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Category: util package
Group: None
Status: Open
Resolution: None
Priority: 5
Private: Yes
Submitted By: nico (nicholasxuu)
Assigned to: Nobody/Anonymous (nobody)
Summary: dr.java cannot run

Initial Comment:
can't run dr.java, it always show this error before opened. I could be java runtime's problem but i can't figure it out.

java.lang.ExceptionInInitializerError
	at edu.rice.cs.drjava.ui.SplashScreen.<init>(SplashScreen.java:57)
	at edu.rice.cs.drjava.DrJavaRoot.main(DrJavaRoot.java:108)
	at edu.rice.cs.drjava.DrJava.configureAndLoadDrJavaRoot(DrJava.java:377)
	at edu.rice.cs.drjava.DrJava.main(DrJava.java:250)
Caused by: java.lang.NullPointerException
	at sun.awt.shell.Win32ShellFolder2$7.call(Unknown Source)
	at sun.awt.shell.Win32ShellFolder2$7.call(Unknown Source)
	at sun.awt.shell.Win32ShellFolderManager2$ComInvoker.invoke(Unknown Source)
	at sun.awt.shell.ShellFolder.invoke(Unknown Source)
	at sun.awt.shell.ShellFolder.invoke(Unknown Source)
	at sun.awt.shell.Win32ShellFolder2.getFileSystemPath(Unknown Source)
	at sun.awt.shell.Win32ShellFolder2.access$300(Unknown Source)
	at sun.awt.shell.Win32ShellFolder2$11.call(Unknown Source)
	at sun.awt.shell.Win32ShellFolder2$11.call(Unknown Source)
	at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
	at java.util.concurrent.FutureTask.run(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at sun.awt.shell.Win32ShellFolderManager2$ComInvoker$3.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)


System Properties:
DrJava Version drjava-20100913-r5387
DrJava Build Time 20100913-2126

java.runtime.name = Java(TM) SE Runtime Environment
sun.boot.library.path = C:\Program Files\Java\jre6\bin
java.vm.version = 17.1-b03
java.vm.vendor = Sun Microsystems Inc.
java.vendor.url = http://java.sun.com/
path.separator = ;
java.vm.name = Java HotSpot(TM) Client VM
file.encoding.pkg = sun.io
sun.java.launcher = SUN_STANDARD
user.country = US
sun.os.patch.level = 
java.vm.specification.name = Java Virtual Machine Specification
user.dir = <anonymized user.dir>
java.runtime.version = 1.6.0_22-b04
java.awt.graphicsenv = sun.awt.Win32GraphicsEnvironment
java.endorsed.dirs = C:\Program Files\Java\jre6\lib\endorsed
os.arch = x86
java.io.tmpdir = <anonymized user.home>\AppData\Local\Temp\
line.separator = "\u000d\u000a"
java.vm.specification.vendor = Sun Microsystems Inc.
user.variant = 
os.name = Windows 7
sun.jnu.encoding = GBK
java.library.path = C:\Program Files\Java\jre6\bin;.;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:\Program Files\PHP\;C:\Program Files\Common Files\Microsoft Shared\Windows Live;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\Common Files\Thunder Network\KanKan\Codecs;d:\Program Files\MATLAB\R2007b\bin;d:\Program Files\MATLAB\R2007b\bin\win32;C:\Program Files\Microsoft SQL Server\90\Tools\binn\;E:\PROGRA~1\lego\MINDST~1\WinNT\Bin;C:\Program Files\Autodesk\Backburner\;C:\Program Files\Common Files\Autodesk Shared\;C:\Program Files\ATI Technologies\ATI.ACE\Core-Static;C:\Program Files\QuickTime\QTSystem\;C:\Program Files\Microsoft SQL Server\100\Tools\Binn\;C:\Program Files\Microsoft SQL Server\100\DTS\Binn\;C:\Program Files\Windows Live\Shared;C:\Program Files\IDM Computer Solutions\UltraEdit\;C:\Program Files\OpenVPN\bin;C:\Program Files\Java\jre6\bin
java.specification.name = Java Platform API Specification
java.class.version = 50.0
sun.management.compiler = HotSpot Client Compiler
os.version = 6.1
user.home = <anonymized user.home>
user.timezone = America/New_York
java.awt.printerjob = sun.awt.windows.WPrinterJob
file.encoding = Cp1252
java.specification.version = 1.6
java.class.path = <anonymized user.dir>drjava-stable-20100913-r5387.exe
user.name = <anonymized user.name>
java.vm.specification.version = 1.0
java.home = C:\Program Files\Java\jre6
sun.arch.data.model = 32
user.language = en
java.specification.vendor = Sun Microsystems Inc.
awt.toolkit = sun.awt.windows.WToolkit
java.vm.info = mixed mode, sharing
java.version = 1.6.0_22
java.ext.dirs = C:\Program Files\Java\jre6\lib\ext;C:\Windows\Sun\Java\lib\ext
sun.boot.class.path = C:\Program Files\Java\jre6\lib\resources.jar;C:\Program Files\Java\jre6\lib\rt.jar;C:\Program Files\Java\jre6\lib\sunrsasign.jar;C:\Program Files\Java\jre6\lib\jsse.jar;C:\Program Files\Java\jre6\lib\jce.jar;C:\Program Files\Java\jre6\lib\charsets.jar;C:\Program Files\Java\jre6\classes
java.vendor = Sun Microsystems Inc.
file.separator = \
java.vendor.url.bug = http://java.sun.com/cgi-bin/bugreport.cgi
sun.io.unicode.encoding = UnicodeLittle
sun.cpu.endian = little
sun.desktop = windows
sun.cpu.isalist = pentium_pro+mmx pentium_pro pentium+mmx pentium i486 i386 i86

DrJava configuration file
In resource bundle edu.rice.cs.drjava.config.options:
	nothing

In shadowed configuration:
key.delete.next = [shift DELETE]
key.delete.previous = [shift BACK_SPACE]


Used memory: about 1.80 megabytes
Free memory: about 13.70 megabytes
Total memory: about 15.50 megabytes
Total memory can expand to: about 247.50 megabytes

Number of processors/cores: 2

Compiler Discovery Log:




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