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Using I20050920-0010, I got this exception. java.lang.NullPointerException at org.eclipse.jdt.internal.ui.text.java.AnonymousTypeCompletionProposal.updateReplacementString(AnonymousTypeCompletionProposal.java:278) at org.eclipse.jdt.internal.ui.text.java.JavaTypeCompletionProposal.apply(JavaTypeCompletionProposal.java:95) at org.eclipse.jdt.internal.ui.text.java.JavaCompletionProposal.apply(JavaCompletionProposal.java:566) at org.eclipse.jface.text.contentassist.CompletionProposalPopup.insertProposal(CompletionProposalPopup.java:588) at org.eclipse.jface.text.contentassist.CompletionProposalPopup.insertSelectedProposalWithMask(CompletionProposalPopup.java:536) at org.eclipse.jface.text.contentassist.CompletionProposalPopup.access$26(CompletionProposalPopup.java:532) at org.eclipse.jface.text.contentassist.CompletionProposalPopup$5.widgetDefaultSelected(CompletionProposalPopup.java:457) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:97) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:884) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3194) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2823) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1755) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1719) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:368) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:143) at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:106) at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:226) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:377) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:164) 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:338) at org.eclipse.core.launcher.Main.basicRun(Main.java:282) at org.eclipse.core.launcher.Main.run(Main.java:977) at org.eclipse.core.launcher.Main.main(Main.java:952) STEPS TO REPRODUCE: 1) create a java project with a compilation unit containing: package p; public class Anon { void test() { class Type<S, T> { Type<String, String> t= new Type<String, String>(/*caret*/); } } } 2) Put the cursor before the /*caret*/ comment. 3) Do code assist and select the second entry to create an anonymous entry. You should get the stack trace.
*** This bug has been marked as a duplicate of 99358 ***