#968 Consistent Java Error
java.lang.NullPointerException: peer
at sun.awt.windows.WInputMethod.openCandidateWindow(Native Method)
at sun.awt.windows.WInputMethod.access$400(Unknown Source)
at sun.awt.windows.WInputMethod$1.run(Unknown Source)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$500(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.WaitDispatchSupport$2.run(Unknown Source)
at java.awt.WaitDispatchSupport$4.run(Unknown Source)
at java.awt.WaitDispatchSupport$4.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.WaitDispatchSupport.enter(Unknown Source)
at java.awt.Dialog.show(Unknown Source)
at javax.swing.JFileChooser.showDialog(Unknown Source)
at javax.swing.JFileChooser.showSaveDialog(Unknown Source)
at edu.rice.cs.drjava.ui.MainFrame.getSaveFile(MainFrame.java:4671)
at edu.rice.cs.drjava.ui.MainFrame$8.getFile(MainFrame.java:415)
at edu.rice.cs.drjava.model.AbstractGlobalModel$ConcreteOpenDefDoc.saveFileAs(AbstractGlobalModel.java:3257)
at edu.rice.cs.drjava.model.AbstractGlobalModel$ConcreteOpenDefDoc.saveFile(AbstractGlobalModel.java:3212)
at edu.rice.cs.drjava.model.AbstractGlobalModel.saveAllFilesHelper(AbstractGlobalModel.java:1577)
at edu.rice.cs.drjava.model.AbstractGlobalModel.saveAllFiles(AbstractGlobalModel.java:1554)
at edu.rice.cs.drjava.ui.MainFrame._saveAll(MainFrame.java:5327)
at edu.rice.cs.drjava.ui.MainFrame$ModelListener._saveAllBeforeProceeding(MainFrame.java:9812)
at edu.rice.cs.drjava.ui.MainFrame$ModelListener.saveBeforeCompile(MainFrame.java:9728)
at edu.rice.cs.drjava.model.GlobalEventNotifier.saveBeforeCompile(GlobalEventNotifier.java:437)
at edu.rice.cs.drjava.model.compiler.CompilerEventNotifier.saveBeforeCompile(CompilerEventNotifier.java:106)
at edu.rice.cs.drjava.model.compiler.DefaultCompilerModel._prepareForCompile(DefaultCompilerModel.java:230)
at edu.rice.cs.drjava.model.compiler.DefaultCompilerModel.compileAll(DefaultCompilerModel.java:171)
at edu.rice.cs.drjava.ui.MainFrame._compileAll(MainFrame.java:5752)
at edu.rice.cs.drjava.ui.MainFrame.access$5300(MainFrame.java:132)
at edu.rice.cs.drjava.ui.MainFrame$55.actionPerformed(MainFrame.java:973)
at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
at java.awt.Component.processMouseEvent(Unknown Source)
at javax.swing.JComponent.processMouseEvent(Unknown Source)
at java.awt.Component.processEvent(Unknown Source)
at java.awt.Container.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Window.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$500(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
System Properties:
DrJava Version drjava-20160913-225446
DrJava Build Time 20160913-225446
drjava.debug.port = 53443
java.runtime.name = Java(TM) SE Runtime Environment
sun.boot.library.path = C:\Program Files\Java\jre1.8.0_161\bin
java.vm.version = 25.161-b12
java.vm.vendor = Oracle Corporation
java.vendor.url = http://java.oracle.com/
path.separator = ;
java.vm.name = Java HotSpot(TM) 64-Bit Server VM
file.encoding.pkg = sun.io
user.country = US
user.script =
sun.java.launcher = SUN_STANDARD
sun.os.patch.level =
java.vm.specification.name = Java Virtual Machine Specification
user.dir = <anonymized user.home="">\Desktop
java.runtime.version = 1.8.0_161-b12
java.awt.graphicsenv = sun.awt.Win32GraphicsEnvironment
java.endorsed.dirs = C:\Program Files\Java\jre1.8.0_161\lib\endorsed
os.arch = amd64
java.io.tmpdir = <anonymized user.home="">\AppData\Local\Temp\
line.separator = "\u000d\u000a"
java.vm.specification.vendor = Oracle Corporation
user.variant =
os.name = Windows 10
sun.jnu.encoding = Cp1252
java.library.path = C:\Program Files\Java\jre1.8.0_161\bin;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\ProgramData\Oracle\Java\javapath;C:\Program Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS Client\;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\Intel\OpenCL SDK\2.0\bin\x86;C:\Program Files (x86)\Intel\OpenCL SDK\2.0\bin\x64;C:\Program Files\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files\Sony\VAIO Improvement\;C:\Program Files (x86)\Sony\VAIO Startup Setting Tool;C:\Program Files (x86)\QuickTime\QTSystem\;C:\Program Files (x86)\Brackets\command;<anonymized user.home="">\AppData\Local\Microsoft\WindowsApps;;C:\Program Files\Java\jre1.8.0_161\bin;.
sun.awt.enableExtraMouseButtons = true
java.specification.name = Java Platform API Specification
java.class.version = 52.0
sun.management.compiler = HotSpot 64-Bit Tiered Compilers
os.version = 10.0
user.home = <anonymized user.home="">
user.timezone = America/New_York
java.awt.printerjob = sun.awt.windows.WPrinterJob
file.encoding = Cp1252
java.specification.version = 1.8
java.class.path = <anonymized user.home="">\Desktop\drjava-beta-20160913-225446.exe
user.name = <anonymized user.name="">
java.vm.specification.version = 1.8
sun.java.command = <anonymized user.home="">\Desktop\drjava-beta-20160913-225446.exe
java.home = C:\Program Files\Java\jre1.8.0_161
sun.arch.data.model = 64
user.language = en
java.specification.vendor = Oracle Corporation
awt.toolkit = sun.awt.windows.WToolkit
java.vm.info = mixed mode
java.version = 1.8.0_161
java.ext.dirs = C:\Program Files\Java\jre1.8.0_161\lib\ext;C:\WINDOWS\Sun\Java\lib\ext
sun.boot.class.path = C:\Program Files\Java\jre1.8.0_161\lib\resources.jar;C:\Program Files\Java\jre1.8.0_161\lib\rt.jar;C:\Program Files\Java\jre1.8.0_161\lib\sunrsasign.jar;C:\Program Files\Java\jre1.8.0_161\lib\jsse.jar;C:\Program Files\Java\jre1.8.0_161\lib\jce.jar;C:\Program Files\Java\jre1.8.0_161\lib\charsets.jar;C:\Program Files\Java\jre1.8.0_161\lib\jfr.jar;C:\Program Files\Java\jre1.8.0_161\classes
java.vendor = Oracle Corporation
file.separator = \
java.vendor.url.bug = http://bugreport.sun.com/bugreport/
sun.io.unicode.encoding = UnicodeLittle
sun.cpu.endian = little
java.rmi.server.hostname = 127.0.0.1
sun.desktop = windows
sun.cpu.isalist = amd64
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]
save.before.compile = true
recent.files = [C:\Users\<anonymized user.name="">\Documents\CS\Lab 9\SearchFile.java,C:\Users\<anonymized user.name="">\Documents\CS\Review\DoingJunkWithFiles.java,C:\Users\<anonymized user.name="">\Documents\CS\Lab 9\ReadingFiles.java,C:\Users\<anonymized user.name="">\Documents\CS\Review\TestOverload.java,C:\Users\<anonymized user.name="">\Documents\CS\Lab 9\WritingFiles.java]
window.height = 876
window.width = 1616
window.x = -8
window.y = -8
window.state = 6
doc.list.width = 137
last.dir = C:\Users\<anonymized user.name="">\Documents\CS\Review\BibleMemory.java
last.interactions.dir = C:\Users\<anonymized user.name="">\Documents\CS\Review
tabbedpanes.state = 800 450 700 400
dialog.drjava.error.popup.enabled = false
new.version.notification.last = 1520363489319
file.ext.registration = always
Used memory: about 71.57 megabytes
Free memory: about 26.93 megabytes
Total memory: about 98.50 megabytes
Total memory can expand to: about 1.31 gigabytes
Number of processors/cores: 4
Compiler Discovery Log: