#1 Null pointer exception

[Anonymous]

The exception occurs when I load up the MIPS perspective.

I'm running MacOs 10.4.8

Here is the stack trace for the exception:

ava.lang.NullPointerException
at edu.ucla.cs.mips.ui.spim.console.spim.spimCommand.readOutput(spimCommand.java:61)
at edu.ucla.cs.mips.ui.spim.console.console.<init>(console.java:149)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:494)
at java.lang.Class.newInstance0(Class.java:350)
at java.lang.Class.newInstance(Class.java:303)
at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:157)
at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:759)
at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)
at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:51)
at org.eclipse.ui.internal.WorkbenchPlugin.createExtension(WorkbenchPlugin.java:234)
at org.eclipse.ui.internal.registry.ViewDescriptor.createView(ViewDescriptor.java:69)
at org.eclipse.ui.internal.ViewReference.createPartHelper(ViewReference.java:292)
at org.eclipse.ui.internal.ViewReference.createPart(ViewReference.java:197)
at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:566)
at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:290)
at org.eclipse.ui.internal.ViewPane.setVisible(ViewPane.java:525)
at org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:140)
at org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(PresentablePartFolder.java:268)
at org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(LeftToRightTabOrder.java:65)
at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart(TabbedStackPresentation.java:394)
at org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:1144)
at org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:1097)
at org.eclipse.ui.internal.PartStack.showPart(PartStack.java:1311)
at org.eclipse.ui.internal.PartStack.createControl(PartStack.java:601)
at org.eclipse.ui.internal.PartStack.createControl(PartStack.java:532)
at org.eclipse.ui.internal.PartSashContainer.createControl(PartSashContainer.java:562)
at org.eclipse.ui.internal.PerspectiveHelper.activate(PerspectiveHelper.java:244)
at org.eclipse.ui.internal.Perspective.onActivate(Perspective.java:815)
at org.eclipse.ui.internal.WorkbenchPage.setPerspective(WorkbenchPage.java:3284)
at org.eclipse.ui.internal.WorkbenchPage.busySetPerspective(WorkbenchPage.java:957)
at org.eclipse.ui.internal.WorkbenchPage.access$12(WorkbenchPage.java:941)
at org.eclipse.ui.internal.WorkbenchPage$12.run(WorkbenchPage.java:3408)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
at org.eclipse.ui.internal.WorkbenchPage.setPerspective(WorkbenchPage.java:3406)
at org.eclipse.ui.internal.ChangeToPerspectiveMenu.run(ChangeToPerspectiveMenu.java:92)
at org.eclipse.ui.actions.PerspectiveMenu.run(PerspectiveMenu.java:336)
at org.eclipse.ui.actions.PerspectiveMenu.runOther(PerspectiveMenu.java:352)
at org.eclipse.ui.actions.PerspectiveMenu$3.runWithEvent(PerspectiveMenu.java:108)
at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:539)
at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:488)
at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:400)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1496)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1520)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1505)
at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1279)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3312)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2941)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1914)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1878)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:419)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:95)
at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:78)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:68)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.eclipse.core.launcher.Main.invokeFramework(Main.java:336)
at org.eclipse.core.launcher.Main.basicRun(Main.java:280)
at org.eclipse.core.launcher.Main.run(Main.java:977)
at org.eclipse.core.launcher.Main.main(Main.java:952)

[Nobody/Anonymous]

Logged In: NO

same here

[Nobody/Anonymous]

I had the same problem (under Kubuntu). So I decided to give a look to the code, and found in edu.ucla.cs.mips.ui.spim.console.spim.spimCommand that it tries to run "spim.exe". I tried to replace it with a soft link to /usr/bin/spim but it didn't work xD

It seems that this plugin will only run under Windows.