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[DrJava] [ drjava-Bugs-2953189 ] String Concatenation Error
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From: SourceForge.net <no...@so...> - 2010-02-17 00:16:40
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Bugs item #2953189, was opened at 2010-02-16 16:16 Message generated for change (Tracker Item Submitted) made by stephendgilbert You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=438935&aid=2953189&group_id=44253 Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: DynamicJava Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: Stephen Gilbert (stephendgilbert) Assigned to: Nobody/Anonymous (nobody) Summary: String Concatenation Error Initial Comment: The following two lines in the definitions pane blow up. > String s1 = "how "; > s1 += "now"; Here's the error. edu.rice.cs.util.UnexpectedException: java.lang.IllegalStateException: Property 'leftExpression' is not initialized at edu.rice.cs.drjava.model.repl.newjvm.MainJVM$ResultHandler.forUnexpectedException(MainJVM.java:1056) at edu.rice.cs.drjava.model.repl.newjvm.MainJVM$ResultHandler.forUnexpectedException(MainJVM.java:1003) at edu.rice.cs.drjava.model.repl.newjvm.InterpretResult$UnexpectedExceptionResult.apply(InterpretResult.java:111) at edu.rice.cs.drjava.model.repl.newjvm.MainJVM.interpret(MainJVM.java:352) at edu.rice.cs.drjava.model.repl.RMIInteractionsModel._interpret(RMIInteractionsModel.java:75) at edu.rice.cs.drjava.model.repl.InteractionsModel.interpret(InteractionsModel.java:287) at edu.rice.cs.drjava.model.repl.InteractionsModel$2$1.run(InteractionsModel.java:237) at java.lang.Thread.run(Unknown Source) Caused by: java.lang.IllegalStateException: Property 'leftExpression' is not initialized at koala.dynamicjava.tree.Node.getProperty(Node.java:122) at koala.dynamicjava.interpreter.NodeProperties.getLeftExpression(NodeProperties.java:170) at edu.rice.cs.dynamicjava.interpreter.ExpressionEvaluator.handleOpAssignExpression(ExpressionEvaluator.java:316) at edu.rice.cs.dynamicjava.interpreter.ExpressionEvaluator.visit(ExpressionEvaluator.java:185) at koala.dynamicjava.tree.AddAssignExpression.acceptVisitor(AddAssignExpression.java:64) at edu.rice.cs.dynamicjava.interpreter.ExpressionEvaluator.value(ExpressionEvaluator.java:38) at edu.rice.cs.dynamicjava.interpreter.StatementEvaluator.visit(StatementEvaluator.java:106) at edu.rice.cs.dynamicjava.interpreter.StatementEvaluator.visit(StatementEvaluator.java:29) at koala.dynamicjava.tree.ExpressionStatement.acceptVisitor(ExpressionStatement.java:101) at edu.rice.cs.dynamicjava.interpreter.StatementEvaluator.evaluateSequence(StatementEvaluator.java:66) at edu.rice.cs.dynamicjava.interpreter.Interpreter.evaluate(Interpreter.java:77) at edu.rice.cs.dynamicjava.interpreter.Interpreter.interpret(Interpreter.java:47) at edu.rice.cs.drjava.model.repl.newjvm.InterpreterJVM.interpret(InterpreterJVM.java:205) 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) ... 1 more Caused by: java.lang.IllegalStateException: Property 'leftExpression' is not initialized at koala.dynamicjava.tree.Node.getProperty(Node.java:122) at koala.dynamicjava.interpreter.NodeProperties.getLeftExpression(NodeProperties.java:170) at edu.rice.cs.dynamicjava.interpreter.ExpressionEvaluator.handleOpAssignExpression(ExpressionEvaluator.java:316) at edu.rice.cs.dynamicjava.interpreter.ExpressionEvaluator.visit(ExpressionEvaluator.java:185) at koala.dynamicjava.tree.AddAssignExpression.acceptVisitor(AddAssignExpression.java:64) at edu.rice.cs.dynamicjava.interpreter.ExpressionEvaluator.value(ExpressionEvaluator.java:38) at edu.rice.cs.dynamicjava.interpreter.StatementEvaluator.visit(StatementEvaluator.java:106) at edu.rice.cs.dynamicjava.interpreter.StatementEvaluator.visit(StatementEvaluator.java:29) at koala.dynamicjava.tree.ExpressionStatement.acceptVisitor(ExpressionStatement.java:101) at edu.rice.cs.dynamicjava.interpreter.StatementEvaluator.evaluateSequence(StatementEvaluator.java:66) at edu.rice.cs.dynamicjava.interpreter.Interpreter.evaluate(Interpreter.java:77) at edu.rice.cs.dynamicjava.interpreter.Interpreter.interpret(Interpreter.java:47) at edu.rice.cs.drjava.model.repl.newjvm.InterpreterJVM.interpret(InterpreterJVM.java:205) 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) System Properties: DrJava Version drjava-20100116-r5173 DrJava Build Time 20100116-2253 drjava.debug.port = 2591 java.runtime.name = Java(TM) SE Runtime Environment sun.boot.library.path = C:\Program Files\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 3 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 = C:\Program Files\Java\jre6\lib\endorsed os.arch = x86 java.io.tmpdir = C:\DOCUME~1\<anonymized user.name>\LOCALS~1\Temp\ line.separator = "\u000d\u000a" java.vm.specification.vendor = Sun Microsystems Inc. user.variant = os.name = Windows XP sun.jnu.encoding = Cp1252 java.library.path = C:\Program Files\Java\jre6\bin;.;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\Program Files\Microsoft DirectX SDK (August 2007)\Utilities\Bin\x86;C:\Python25\;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\Program Files\Intel\DMIX;C:\Program Files\ATI Technologies\ATI Control Panel;c:\Program Files\Microsoft SQL Server\90\Tools\binn\;C:\Program Files\MySQL\MySQL Server 5.0\bin;C:\Program Files\QuickTime\QTSystem\;C:\Program Files\Windows Imaging\;C:\Program Files\Java\jdk1.6.0_17\bin; java.specification.name = Java Platform API Specification java.class.version = 50.0 sun.management.compiler = HotSpot Client Compiler os.version = 5.1 user.home = <anonymized user.home> user.timezone = America/Los_Angeles java.awt.printerjob = sun.awt.windows.WPrinterJob file.encoding = Cp1252 java.specification.version = 1.6 java.class.path = <anonymized user.dir>\OCDJ.jar 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_18 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 java.rmi.server.hostname = 127.0.0.1 sun.desktop = windows sun.cpu.isalist = #DrJava configuration file #Tue Feb 16 16:12:59 PST 2010 javac.location = G:\\docs\\CS170S10\\cs170home\\tools\\tools.jar font.main = Consolas-14 font.line.numbers = Consolas-14 font.doclist = Tahoma-11 font.toolbar = Tahoma-11 lineenum.enabled = true look.and.feel = com.sun.java.swing.plaf.windows.WindowsLookAndFeel key.delete.next = [shift DELETE] key.delete.previous = [shift BACK_SPACE] quit.prompt = false interactions.reset.prompt = false save.before.compile = true indent.level = 4 compiler.default = JDK 5.0_21 recent.files = [G:\\docs\\CS170S10\\cs170home\\Copy of week04\\AirDistance.java,G:\\docs\\CS170S10\\cs170home\\week04\\Abacus1.java,G:\\docs\\CS170S10\\cs170home\\Copy of week04\\DrawEggs.java,G:\\docs\\CS170S10\\cs170home\\Copy of week04\\DrawShapes.java,G:\\docs\\CS170S10\\cs170home\\Copy of week04\\DrawEggsTest.java] window.height = 562 window.width = 729 window.x = 107 window.y = 65 doc.list.width = 137 last.dir = G:\\docs\\CS170S10\\cs170home\\week05\\Junk.java last.interactions.dir = G:\\docs\\CS170S10\\cs170home\\week05 tabbedpanes.state = 331 76 700 197 dialog.drjava.survey.enabled = false external.saved.count = 1 external.saved.names = [Check Style] external.saved.cmdlines = [java -cp ${drjava.file} Checkstyle ${drjava.current.file}] external.saved.workdirs = [${drjava.working.dir}] external.saved.enclosingdjappfiles = [] new.version.notification.last = 1265760584716 drjava.survey.notification.last = 1263336901631 drjava.survey.result.last = http://www.drjava.org/submit-usage.php?rev=5122&os.name=Windows%20XP&os.version=5.1&java.version=1.6.0_17&java.vendor=Sun%20Microsystems%20Inc. Used memory: about 33.66 megabytes Free memory: about 12.52 megabytes Total memory: about 46.18 megabytes Total memory can expand to: about 247.50 megabytes Number of processors/cores: 2 Compiler Discovery Log: >From config: JDK library 5.0_21 at <anonymized user.dir>\tools.jar, boot classpath: null >From runtime: invalid JDK library 6.0_18 Dir added: C:\Program Files\Java\jre6 Dir added: C:\Program Files\Java Dir added: C:\Program Files Dir added: C:\Program Files\Java Dir added: C:\Program Files Dir added: C:\Program Files\Java Dir added: C:\Program Files Dir not added: C:\Java Dir added: C:\ Dir not added: C:\Java Dir added: C:\ Dir not added: G:\System\Library\Frameworks\JavaVM.framework\Versions Dir not added: G:\usr\java Dir not added: G:\usr\j2se Dir not added: G:\usr Dir not added: G:\usr\local\java Dir not added: G:\usr\local\j2se Dir not added: G:\usr\local Dir not added: G:\usr\lib\jvm Dir not added: G:\usr\lib\jvm\java-6-sun Dir not added: G:\usr\lib\jvm\java-1.5.0-sun Dir not added: G:\usr\lib\jvm\java-6-openjdk Dir not added: G:\home\javaplt\java\Linux-i686 File added: C:\Program Files\Java\jdk1.5.0_21\lib\tools.jar File not added: C:\Program Files\Java\jdk1.5.0_21\Classes\classes.jar File not added: C:\Program Files\Java\jdk1.6.0_03\lib\tools.jar File not added: C:\Program Files\Java\jdk1.6.0_03\Classes\classes.jar File added: C:\Program Files\Java\jdk1.6.0_18\lib\tools.jar File not added: C:\Program Files\Java\jdk1.6.0_18\Classes\classes.jar File not added: C:\Program Files\Java\lib\tools.jar File not added: C:\Program Files\Java\Classes\classes.jar File not added: C:\Program Files\JavaMint\langtools\dist\lib\classes.jar File not added: C:\Program Files\JavaMint\langtools\dist\lib\tools.jar File not added: G:\usr\local\soylatte\lib\classes.jar File not added: G:\usr\local\soylatte\lib\tools.jar File not added: G:\usr\local\JavaMint\langtools\dist\lib\classes.jar File not added: G:\usr\local\JavaMint\langtools\dist\lib\tools.jar MINT_HOME not set File added: <anonymized user.dir>\OCDJ.jar Result: Found library: JDK library 6.0_18 at C:\Program Files\Java\jdk1.6.0_18\lib\tools.jar, boot classpath: [C:\Program Files\Java\jdk1.6.0_18\jre\lib\alt-rt.jar, C:\Program Files\Java\jdk1.6.0_18\jre\lib\charsets.jar, C:\Program Files\Java\jdk1.6.0_18\jre\lib\deploy.jar, C:\Program Files\Java\jdk1.6.0_18\jre\lib\javaws.jar, C:\Program Files\Java\jdk1.6.0_18\jre\lib\jce.jar, C:\Program Files\Java\jdk1.6.0_18\jre\lib\jsse.jar, C:\Program Files\Java\jdk1.6.0_18\jre\lib\management-agent.jar, C:\Program Files\Java\jdk1.6.0_18\jre\lib\plugin.jar, C:\Program Files\Java\jdk1.6.0_18\jre\lib\resources.jar, C:\Program Files\Java\jdk1.6.0_18\jre\lib\rt.jar] Found library: JDK library 5.0_21 at C:\Program Files\Java\jdk1.5.0_21\lib\tools.jar, boot classpath: [C:\Program Files\Java\jdk1.5.0_21\jre\lib\charsets.jar, C:\Program Files\Java\jdk1.5.0_21\jre\lib\deploy.jar, C:\Program Files\Java\jdk1.5.0_21\jre\lib\javaws.jar, C:\Program Files\Java\jdk1.5.0_21\jre\lib\jce.jar, C:\Program Files\Java\jdk1.5.0_21\jre\lib\jsse.jar, C:\Program Files\Java\jdk1.5.0_21\jre\lib\plugin.jar, C:\Program Files\Java\jdk1.5.0_21\jre\lib\rt.jar] >From search: JDK library 6.0_18 at C:\Program Files\Java\jdk1.6.0_18\lib\tools.jar, boot classpath: [C:\Program Files\Java\jdk1.6.0_18\jre\lib\alt-rt.jar, C:\Program Files\Java\jdk1.6.0_18\jre\lib\charsets.jar, C:\Program Files\Java\jdk1.6.0_18\jre\lib\deploy.jar, C:\Program Files\Java\jdk1.6.0_18\jre\lib\javaws.jar, C:\Program Files\Java\jdk1.6.0_18\jre\lib\jce.jar, C:\Program Files\Java\jdk1.6.0_18\jre\lib\jsse.jar, C:\Program Files\Java\jdk1.6.0_18\jre\lib\management-agent.jar, C:\Program Files\Java\jdk1.6.0_18\jre\lib\plugin.jar, C:\Program Files\Java\jdk1.6.0_18\jre\lib\resources.jar, C:\Program Files\Java\jdk1.6.0_18\jre\lib\rt.jar] >From search: duplicate JDK library 5.0_21 at C:\Program Files\Java\jdk1.5.0_21\lib\tools.jar, boot classpath: [C:\Program Files\Java\jdk1.5.0_21\jre\lib\charsets.jar, C:\Program Files\Java\jdk1.5.0_21\jre\lib\deploy.jar, C:\Program Files\Java\jdk1.5.0_21\jre\lib\javaws.jar, C:\Program Files\Java\jdk1.5.0_21\jre\lib\jce.jar, C:\Program Files\Java\jdk1.5.0_21\jre\lib\jsse.jar, C:\Program Files\Java\jdk1.5.0_21\jre\lib\plugin.jar, C:\Program Files\Java\jdk1.5.0_21\jre\lib\rt.jar] ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=438935&aid=2953189&group_id=44253 |
