Bug 30581 NPE in organize Import
Found the following in the log of PR 30427 java.lang.NullPointerException at org.eclipse.jdt.ui.actions.OrganizeImportsAction.doChooseImports (OrganizeImportsAction.java:400) at org.eclipse.jdt.ui.actions.OrganizeImportsAction.access$1 (OrganizeImportsAction.java:398) at org.eclipse.jdt.ui.actions.OrganizeImportsAction$3.chooseImports (OrganizeImportsAction.java:393) at org.eclipse.jdt.internal.corext.codemanipulation.OrganizeImportsOperation.run (OrganizeImportsOperation.java:546) at org.eclipse.jdt.internal.core.BatchOperation.executeOperation (BatchOperation.java:34) at org.eclipse.jdt.internal.core.JavaModelOperation.execute (JavaModelOperation.java:326) at org.eclipse.jdt.internal.core.JavaModelOperation.run (JavaModelOperation.java:626) at org.eclipse.core.internal.resources.Workspace.run (Workspace.java:1564) at org.eclipse.jdt.core.JavaCore.run(JavaCore.java:2571) at org.eclipse.jdt.internal.ui.actions.WorkbenchRunnableAdapter.run (WorkbenchRunnableAdapter.java:32) at org.eclipse.jdt.internal.ui.util.BusyIndicatorRunnableContext$BusyRunnable.inter nalRun(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.OrganizeImportsAction.runOnSingle (OrganizeImportsAction.java:361) at org.eclipse.jdt.ui.actions.OrganizeImportsAction.run (OrganizeImportsAction.java:252) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun (SelectionDispatchAction.java:191) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run (SelectionDispatchAction.java:169) at org.eclipse.jface.action.Action.runWithEvent(Action.java:769) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection (ActionContributionItem.java:411) at org.eclipse.jface.action.ActionContributionItem.handleWidgetEvent (ActionContributionItem.java:365) at org.eclipse.jface.action.ActionContributionItem.access$0 (ActionContributionItem.java:356) at org.eclipse.jface.action.ActionContributionItem$ActionListener.handleEvent (ActionContributionItem.java:48) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:77) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:855) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:1825) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1616) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1446) at org.eclipse.ui.internal.Workbench.run(Workbench.java:1429) 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)
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/actions/OrganizeImportsAction.java
/*******************************************************************************
 * Copyright (c) 2002 International Business Machines Corp. and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v0.5 
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v05.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 ******************************************************************************/
package org.eclipse.jdt.ui.actions;
import java.lang.reflect.InvocationTargetException;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashSet;
import org.eclipse.core.resources.IWorkspaceRunnable;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.MultiStatus;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.SubProgressMonitor;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.action.IStatusLineManager;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.text.ITextSelection;
import org.eclipse.jface.viewers.ILabelProvider;