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[DrJava] [ drjava-Bugs-3035391 ] Null pointer exception in DrJava
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From: SourceForge.net <no...@so...> - 2010-07-27 16:30:57
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Bugs item #3035391, was opened at 2010-07-27 16:30 Message generated for change (Tracker Item Submitted) made by nobody You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=438935&aid=3035391&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: 5: Makes DrJ unstable Status: Open Resolution: None Priority: 5 Private: No Submitted By: Nobody/Anonymous (nobody) Assigned to: Nobody/Anonymous (nobody) Summary: Null pointer exception in DrJava Initial Comment: java.lang.NullPointerException at java.util.Arrays$ArrayList.<init>(Unknown Source) at java.util.Arrays.asList(Unknown Source) at sun.awt.shell.Win32ShellFolderManager2.isFileSystemRoot(Unknown Source) at sun.awt.shell.ShellFolder.isFileSystemRoot(Unknown Source) at javax.swing.filechooser.FileSystemView.isFileSystemRoot(Unknown Source) at javax.swing.filechooser.FileSystemView.getShellFolder(Unknown Source) at javax.swing.filechooser.FileSystemView.getFiles(Unknown Source) at javax.swing.plaf.basic.BasicDirectoryModel$LoadFilesThread.run0(Unknown Source) at javax.swing.plaf.basic.BasicDirectoryModel$LoadFilesThread.run(Unknown Source) System Properties: DrJava Version drjava-20100711-r5314 DrJava Build Time 20100711-2158 drjava.debug.port = 1028 java.runtime.name = Java(TM) SE Runtime Environment sun.boot.library.path = C:\Program Files\Java\jre6\bin java.vm.version = 16.3-b01 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_20-b02 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:\oracle\product\10.2.0\db_1\bin;C:\Program Files\Java\jdk1.6.0_20\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;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 = 5.1 user.home = <anonymized user.home> user.timezone = Asia/Calcutta 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.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_20 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 In resource bundle edu.rice.cs.drjava.config.options: nothing In shadowed configuration: browser.file = C:\\Program Files\\Internet Explorer\\iexplore.exe font.main = Monospaced-18 font.line.numbers = Monospaced-15 font.doclist = Monospaced-14 font.toolbar = -14-12 lineenum.enabled = true key.delete.next = [shift DELETE] key.delete.previous = [shift BACK_SPACE] interactions.exit.prompt = false recent.files = [E:\\MyExplorer.java,E:\\SampleTrials\\checkBox.java,E:\\BouncingBalls.java,E:\\SampleTrials\\SwingFrame.java,E:\\SampleTrials\\AWTFrame.java] window.height = 1002 window.width = 1288 window.x = -4 window.y = -4 window.state = 6 last.dir = E:\\MyExplorer.java last.interactions.dir = E:\\ clipboardhistory.store.size = 15 dialog.gotofile.fully.qualified = true dialog.completeword.scan.class.files = true dialog.completeword.javaapi = true tabbedpanes.state = 640 512 700 400 new.version.notification.last = 1280072269125 drjava.survey.notification.last = 1280079587250 drjava.survey.result.last = http://www.drjava.org/submit-usage.php?rev=5314&os.name=Windows%20XP&os.version=5.1&java.version=1.6.0_20&java.vendor=Sun%20Microsystems%20Inc. Used memory: about 28.41 megabytes Free memory: about 10.93 megabytes Total memory: about 39.34 megabytes Total memory can expand to: about 247.50 megabytes Number of processors/cores: 2 Compiler Discovery Log: >From config: not set makeFromRuntime: compilerAdapter=edu.rice.cs.drjava.model.compiler.Javac160Compiler attempt = JDK 6.0_20, isAvailable() = false compiler=edu.rice.cs.drjava.model.compiler.NoCompilerAvailable at least Java 6, try EclipseCompiler version for Eclipse: Java 6.0 attempt = Eclipse Compiler 0.A48, isAvailable() = true compiler=edu.rice.cs.drjava.model.compiler.EclipseCompiler compiler found compilers found: 1 >From runtime: JDK library 6.0 Dir added: C:\Program Files\Java\jre6 Dir added: C:\Program Files\Java Dir added: C:\Program Files Dir added: C:\Program Files\Java\jdk1.6.0_20 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: <anonymized user.dir> Dir not added: C:\Java Dir added: <anonymized user.dir> Dir not added: C:\System\Library\Frameworks\JavaVM.framework\Versions Dir not added: C:\usr\java Dir not added: C:\usr\j2se Dir not added: C:\usr Dir not added: C:\usr\local\java Dir not added: C:\usr\local\j2se Dir not added: C:\usr\local Dir not added: C:\usr\lib\jvm Dir not added: C:\usr\lib\jvm\java-6-sun Dir not added: C:\usr\lib\jvm\java-1.5.0-sun Dir not added: C:\usr\lib\jvm\java-6-openjdk Dir not added: C:\home\javaplt\java\Linux-i686 File added: C:\Program Files\Java\jdk1.6.0_20\lib\tools.jar File not added: C:\Program Files\Java\jdk1.6.0_20\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\Java\jdk1.6.0_20\jdk-6u18-docs.zip\lib\tools.jar File not added: C:\Program Files\Java\jdk1.6.0_20\jdk-6u18-docs.zip\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: C:\usr\local\soylatte\lib\classes.jar File not added: C:\usr\local\soylatte\lib\tools.jar File not added: C:\usr\local\JavaMint\langtools\dist\lib\classes.jar File not added: C:\usr\local\JavaMint\langtools\dist\lib\tools.jar MINT_HOME not set File added: <anonymized user.dir>\drjava-stable-20090821-r5004.exe Result: Found library: JDK library 6.0_20 at C:\Program Files\Java\jdk1.6.0_20\lib\tools.jar, boot classpath: [C:\Program Files\Java\jdk1.6.0_20\jre\lib\alt-rt.jar, C:\Program Files\Java\jdk1.6.0_20\jre\lib\charsets.jar, C:\Program Files\Java\jdk1.6.0_20\jre\lib\deploy.jar, C:\Program Files\Java\jdk1.6.0_20\jre\lib\javaws.jar, C:\Program Files\Java\jdk1.6.0_20\jre\lib\jce.jar, C:\Program Files\Java\jdk1.6.0_20\jre\lib\jsse.jar, C:\Program Files\Java\jdk1.6.0_20\jre\lib\management-agent.jar, C:\Program Files\Java\jdk1.6.0_20\jre\lib\plugin.jar, C:\Program Files\Java\jdk1.6.0_20\jre\lib\resources.jar, C:\Program Files\Java\jdk1.6.0_20\jre\lib\rt.jar] >From search: JDK library 6.0_20 at C:\Program Files\Java\jdk1.6.0_20\lib\tools.jar, boot classpath: [C:\Program Files\Java\jdk1.6.0_20\jre\lib\alt-rt.jar, C:\Program Files\Java\jdk1.6.0_20\jre\lib\charsets.jar, C:\Program Files\Java\jdk1.6.0_20\jre\lib\deploy.jar, C:\Program Files\Java\jdk1.6.0_20\jre\lib\javaws.jar, C:\Program Files\Java\jdk1.6.0_20\jre\lib\jce.jar, C:\Program Files\Java\jdk1.6.0_20\jre\lib\jsse.jar, C:\Program Files\Java\jdk1.6.0_20\jre\lib\management-agent.jar, C:\Program Files\Java\jdk1.6.0_20\jre\lib\plugin.jar, C:\Program Files\Java\jdk1.6.0_20\jre\lib\resources.jar, C:\Program Files\Java\jdk1.6.0_20\jre\lib\rt.jar] may wish to save all your work and restart DrJava. Thanks for your help in making DrJava better! ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=438935&aid=3035391&group_id=44253 |
