[DrJava] [ drjava-Bugs-3008828 ] throw null

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Bugs item #3008828, was opened at 2010-05-29 02:38
Message generated for change (Tracker Item Submitted) made by nobody
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=438935&aid=3008828&group_id=44253

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Category: Interactions
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Nobody/Anonymous (nobody)
Assigned to: Nobody/Anonymous (nobody)
Summary: throw null

Initial Comment:
The statement "throw null" in the Interactions Pane causes an exception and makes the Interactions Pane stall.

java.lang.NullPointerException
	at edu.rice.cs.drjava.model.repl.newjvm.InterpretResult$ExceptionResult.<init>(InterpretResult.java:85)
	at edu.rice.cs.drjava.model.repl.newjvm.InterpretResult.exception(InterpretResult.java:76)
	at edu.rice.cs.drjava.model.repl.newjvm.InterpreterJVM.interpret(InterpreterJVM.java:206)
	at edu.rice.cs.drjava.model.repl.newjvm.InterpreterJVM.interpret(InterpreterJVM.java:182)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at sun.rmi.server.UnicastServerRef.dispatch(Unknown Source)
	at sun.rmi.transport.Transport$1.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at sun.rmi.transport.Transport.serviceCall(Unknown Source)
	at sun.rmi.transport.tcp.TCPTransport.handleMessages(Unknown Source)
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(Unknown Source)
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)
	at sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(Unknown Source)
	at sun.rmi.transport.StreamRemoteCall.executeCall(Unknown Source)
	at sun.rmi.server.UnicastRef.invoke(Unknown Source)
	at java.rmi.server.RemoteObjectInvocationHandler.invokeRemoteMethod(Unknown Source)
	at java.rmi.server.RemoteObjectInvocationHandler.invoke(Unknown Source)
	at $Proxy0.interpret(Unknown Source)
	at edu.rice.cs.drjava.model.repl.newjvm.MainJVM.interpret(MainJVM.java:347)
	at edu.rice.cs.drjava.model.repl.RMIInteractionsModel._interpret(RMIInteractionsModel.java:75)
	at edu.rice.cs.drjava.model.repl.InteractionsModel.interpret(InteractionsModel.java:286)
	at edu.rice.cs.drjava.model.repl.InteractionsModel$2$1.run(InteractionsModel.java:236)
	at java.lang.Thread.run(Unknown Source)

System Properties:
DrJava Version drjava-20090821-r5004
DrJava Build Time 20090821-1520

drjava.debug.port = 53803
java.runtime.name = Java(TM) SE Runtime Environment
sun.boot.library.path = <anonymized user.dir>\Java\jre6\bin
java.vm.version = 16.0-b13
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 = Service Pack 2
java.vm.specification.name = Java Virtual Machine Specification
user.dir = <anonymized user.dir>
java.runtime.version = 1.6.0_18-b07
java.awt.graphicsenv = sun.awt.Win32GraphicsEnvironment
java.endorsed.dirs = <anonymized user.dir>\Java\jre6\lib\endorsed
os.arch = x86
java.io.tmpdir = C:\Users\ALEXAN~1\AppData\Local\Temp\
line.separator = "\u000d\u000a"
java.vm.specification.vendor = Sun Microsystems Inc.
user.variant = 
os.name = Windows Vista
sun.jnu.encoding = Cp1252
java.library.path = <anonymized user.dir>\Java\jre6\bin;.;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;<anonymized user.dir>\redshark\;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;<anonymized user.dir>\ATI Technologies\ATI.ACE\Core-Static;<anonymized user.dir>\Common Files\Roxio Shared\DLLShared\;<anonymized user.dir>\Common Files\Roxio Shared\10.0\DLLShared\;C:\Windows\System32\WindowsPowerShell\v1.0\;<anonymized user.dir>\QuickTime\QTSystem\
java.specification.name = Java Platform API Specification
java.class.version = 50.0
sun.management.compiler = HotSpot Client Compiler
os.version = 6.0
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-20090821-r5004.jar
user.name = <anonymized user.name>
java.vm.specification.version = 1.0
java.home = <anonymized user.dir>\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_18
java.ext.dirs = <anonymized user.dir>\Java\jre6\lib\ext;C:\Windows\Sun\Java\lib\ext
sun.boot.class.path = <anonymized user.dir>\Java\jre6\lib\resources.jar;<anonymized user.dir>\Java\jre6\lib\rt.jar;<anonymized user.dir>\Java\jre6\lib\sunrsasign.jar;<anonymized user.dir>\Java\jre6\lib\jsse.jar;<anonymized user.dir>\Java\jre6\lib\jce.jar;<anonymized user.dir>\Java\jre6\lib\charsets.jar;<anonymized user.dir>\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
java.rmi.server.hostname = 127.0.0.1
sun.desktop = windows
sun.cpu.isalist = pentium_pro+mmx pentium_pro pentium+mmx pentium i486 i386 i86

#DrJava configuration file
#Fri May 28 22:35:51 EDT 2010
lineenum.enabled = true
key.delete.next = [shift DELETE]
key.delete.previous = [shift BACK_SPACE]
quit.prompt = false
interactions.reset.prompt = false
save.before.compile = true
warn.change.laf = false
indent.level = 4
recent.files = [C:\\Users\\<anonymized user.name>\\workspace\\Other\\src\\other\\Tools.java,C:\\Users\\<anonymized user.name>\\workspace\\School\\src\\school\\looney\\Song.java,C:\\Users\\<anonymized user.name>\\workspace\\School\\src\\school\\looney\\SongComparator.java,C:\\Users\\<anonymized user.name>\\workspace\\School\\src\\school\\Concordance.java]
window.height = 816
window.width = 1296
window.x = -8
window.y = -8
window.state = 6
last.dir = C:\\Users\\<anonymized user.name>\\Documents
last.interactions.dir = C:\\Users\\<anonymized user.name>\\Documents
tabbedpanes.state = 640 400 700 400
dialog.drjava.survey.enabled = false
new.version.notification = stable versions only
new.version.notification.last = 1274745281089
drjava.survey.notification.last = 1251492334592
drjava.survey.result.last = http://www.drjava.org/submit-usage.php?rev=5004&os.name=Windows%20Vista&os.version=6.0&java.version=1.6.0_05&java.vendor=Sun%20Microsystems%20Inc.

Used memory: about 14.80 megabytes
Free memory: about 9.22 megabytes
Total memory: about 24.02 megabytes
Total memory can expand to: about 247.50 megabytes

Number of processors/cores: 2

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You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=438935&aid=3008828&group_id=44253

[DrJava] [ drjava-Bugs-3008828 ] throw null

A lightweight programming environment for Java

[DrJava] [ drjava-Bugs-3008828 ] throw null