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Using 0115, I got this stacktrace: java.lang.NullPointerException at org.eclipse.jdt.internal.corext.refactoring.changes.TextFileChange.perform(TextFileChange.java:203) at org.eclipse.jdt.internal.ui.refactoring.PerformChangeOperation$1.run(PerformChangeOperation.java:173) at org.eclipse.jdt.internal.core.BatchOperation.executeOperation(BatchOperation.java:34) at org.eclipse.jdt.internal.core.JavaModelOperation.execute(JavaModelOperation.java:326) at org.eclipse.jdt.internal.core.JavaModelOperation.run(JavaModelOperation.java:626) at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1580) at org.eclipse.jdt.core.JavaCore.run(JavaCore.java:2570) at org.eclipse.jdt.internal.ui.refactoring.PerformChangeOperation.executeChange(PerformChangeOperation.java:183) at org.eclipse.jdt.internal.ui.refactoring.PerformChangeOperation.run(PerformChangeOperation.java:151) at org.eclipse.jdt.internal.ui.util.BusyIndicatorRunnableContext$BusyRunnable.internalRun(BusyIndicatorRunnableContext.java:107) at org.eclipse.jdt.internal.ui.util.BusyIndicatorRunnableContext$BusyRunnable.run(BusyIndicatorRunnableContext.java:74) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:65) at org.eclipse.jdt.internal.ui.util.BusyIndicatorRunnableContext.run(BusyIndicatorRunnableContext.java:120) at org.eclipse.jdt.ui.actions.SurroundWithTryCatchAction.run(SurroundWithTryCatchAction.java:110) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(SelectionDispatchAction.java:193) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(SelectionDispatchAction.java:169) at org.eclipse.jface.action.Action.runWithEvent(Action.java:804) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:422) at org.eclipse.jface.action.ActionContributionItem.handleWidgetEvent(ActionContributionItem.java:374) at org.eclipse.jface.action.ActionContributionItem.access$0(ActionContributionItem.java:368) at org.eclipse.jface.action.ActionContributionItem$ActionListener.handleEvent(ActionContributionItem.java:69) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:77) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:836) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:1692) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1410) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1467) at org.eclipse.ui.internal.Workbench.run(Workbench.java:1450) at org.eclipse.core.internal.boot.InternalBootLoader.run(InternalBootLoader.java:845) at org.eclipse.core.boot.BootLoader.run(BootLoader.java:462) 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:324) at org.eclipse.core.launcher.Main.basicRun(Main.java:247) at org.eclipse.core.launcher.Main.run(Main.java:703) at org.eclipse.core.launcher.Main.main(Main.java:539) The code I tried to surround with try/catch is: BufferedWriter writer = new BufferedWriter(new FileWriter("d:/temp/compiler.log")); for (Iterator iterator = this.set.iterator(); iterator.hasNext(); ) { writer.write(iterator.next()); } writer.flush(); writer.close();
*** This bug has been marked as a duplicate of 29549 ***