diff --git a/org.eclipse.ui.workbench.texteditor.tests/META-INF/MANIFEST.MF b/org.eclipse.ui.workbench.texteditor.tests/META-INF/MANIFEST.MF
index 4a1e176..54d7943 100644
--- a/org.eclipse.ui.workbench.texteditor.tests/META-INF/MANIFEST.MF
+++ b/org.eclipse.ui.workbench.texteditor.tests/META-INF/MANIFEST.MF
@@ -15,6 +15,10 @@
  org.eclipse.ui.workbench.texteditor;bundle-version="[3.5.0,4.0.0)",
  org.eclipse.ui;bundle-version="[3.5.0,4.0.0)",
  org.junit;bundle-version="4.12.0",
- org.eclipse.text.tests;bundle-version="[3.5.0,4.0.0)"
+ org.eclipse.text.tests;bundle-version="[3.5.0,4.0.0)",
+ org.eclipse.ui.editors;bundle-version="3.11.0",
+ org.eclipse.core.filesystem;bundle-version="1.7.0",
+ org.eclipse.ui.ide;bundle-version="3.13.0",
+ org.eclipse.e4.ui.model.workbench;bundle-version="1.3.0"
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
 Eclipse-BundleShape: dir
diff --git a/org.eclipse.ui.workbench.texteditor.tests/src/org/eclipse/ui/workbench/texteditor/tests/StatusEditorTest.java b/org.eclipse.ui.workbench.texteditor.tests/src/org/eclipse/ui/workbench/texteditor/tests/StatusEditorTest.java
new file mode 100644
index 0000000..0302e62
--- /dev/null
+++ b/org.eclipse.ui.workbench.texteditor.tests/src/org/eclipse/ui/workbench/texteditor/tests/StatusEditorTest.java
@@ -0,0 +1,128 @@
+/*******************************************************************************
+ * Copyright (c) 2017 Vasili Gulevich and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *      Vasili Gulevich <vasili.gulevich@xored.com> - initial implementation
+ *      Andrey Loskutov <loskutov@gmx.de> - polishing and integration
+ *******************************************************************************/
+package org.eclipse.ui.workbench.texteditor.tests;
+
+import java.lang.reflect.Method;
+import java.net.URI;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import org.eclipse.swt.custom.CTabFolder;
+import org.eclipse.swt.widgets.Display;
+
+import org.eclipse.core.filesystem.EFS;
+
+import org.eclipse.core.runtime.ILog;
+import org.eclipse.core.runtime.ILogListener;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Platform;
+import org.eclipse.core.runtime.Status;
+
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.IWorkbenchPage;
+import org.eclipse.ui.IWorkbenchWindow;
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.WorkbenchException;
+import org.eclipse.ui.ide.FileStoreEditorInput;
+import org.eclipse.ui.internal.PartSite;
+
+import org.eclipse.ui.texteditor.AbstractTextEditor;
+import org.eclipse.ui.texteditor.IDocumentProvider;
+
+import org.eclipse.ui.editors.text.EditorsUI;
+import org.eclipse.ui.editors.text.ForwardingDocumentProvider;
+import org.eclipse.ui.editors.text.TextEditor;
+
+public class StatusEditorTest {
+	private IWorkbenchWindow window;
+	private Display display;
+	private IWorkbenchPage page;
+
+	@Before
+	public void before() throws WorkbenchException {
+		window = PlatformUI.getWorkbench().openWorkbenchWindow(null);
+		display = window.getShell().getDisplay();
+		page = window.getActivePage();
+		processEvents();
+	}
+
+	@After
+	public void after() {
+		window.close();
+		page = null;
+		processEvents();
+	}
+
+	/*
+	 * https://bugs.eclipse.org/bugs/attachment.cgi?bugid=320672
+	 * 
+	 * No exceptions are thrown when a status editor displaying an erroneous status is activated with a mouse click. 
+	 * @throws Exception 
+	 */
+	@Test
+	public void doNotThrowOnActivationInStale() throws Exception {
+		IEditorPart editor1 = openNonExistentFile(page, new URI("file:/1.txt"));
+		openNonExistentFile(page, new URI("file:/2.txt"));
+		ILog log = Platform.getLog(Platform.getBundle("org.eclipse.e4.ui.workbench"));
+		List<String> logEvents = new ArrayList<>();
+		ILogListener listener = (status, plugin) -> logEvents.add(status.toString());
+		log.addLogListener(listener);
+		// Clicks are not equivalent to activation from API, so we need this
+		// hack to imitate tab clicks.
+		CTabFolder folder = (CTabFolder) (((PartSite) editor1.getSite()).getModel().getParent().getWidget());
+		try {
+			folder.setSelection(0);
+			processEvents();
+			folder.setSelection(1);
+			processEvents();
+		} finally {
+			log.removeLogListener(listener);
+		}
+		if(!logEvents.isEmpty()) {
+			Assert.assertEquals("Unexpected errors logged", "", logEvents.toString());
+		}
+	}
+
+	private void processEvents() {
+		while (display.readAndDispatch()) {
+			//
+		}
+	}
+
+	private IEditorPart openNonExistentFile(IWorkbenchPage page1, URI uri) throws Exception {
+		FileStoreEditorInput input = new FileStoreEditorInput(EFS.getStore(uri));
+		TextEditor editor = (TextEditor) page1.openEditor(input, EditorsUI.DEFAULT_TEXT_EDITOR_ID, true);
+		Method setMethod= AbstractTextEditor.class.getDeclaredMethod("setDocumentProvider", IDocumentProvider.class);
+		setMethod.setAccessible(true);
+		setMethod.invoke(editor, new ErrorDocumentProvider(editor.getDocumentProvider()));
+		editor.setInput(input);
+		processEvents();
+		return editor;
+	}
+
+	private static class ErrorDocumentProvider extends ForwardingDocumentProvider {
+		public ErrorDocumentProvider(IDocumentProvider parent) {
+			super("", ignored -> { /**/	}, parent);
+		}
+
+		@Override
+		public IStatus getStatus(Object element) {
+			return new Status(IStatus.ERROR, "org.eclipse.ui.workbench.texteditor.tests", 
+					0, "This document provider always fails", null);
+		}
+	}
+}
diff --git a/org.eclipse.ui.workbench.texteditor.tests/src/org/eclipse/ui/workbench/texteditor/tests/WorkbenchTextEditorTestSuite.java b/org.eclipse.ui.workbench.texteditor.tests/src/org/eclipse/ui/workbench/texteditor/tests/WorkbenchTextEditorTestSuite.java
index ec8d266..01a8a8e 100644
--- a/org.eclipse.ui.workbench.texteditor.tests/src/org/eclipse/ui/workbench/texteditor/tests/WorkbenchTextEditorTestSuite.java
+++ b/org.eclipse.ui.workbench.texteditor.tests/src/org/eclipse/ui/workbench/texteditor/tests/WorkbenchTextEditorTestSuite.java
@@ -33,7 +33,8 @@
 		ChangeRegionTest.class,
 		RulerTestSuite.class,
 		HunkComputerTest.class,
-		ScreenshotTest.class
+		ScreenshotTest.class,
+		StatusEditorTest.class
 })
 public class WorkbenchTextEditorTestSuite {
 	// see @SuiteClasses
diff --git a/org.eclipse.ui.workbench.texteditor/src/org/eclipse/ui/texteditor/StatusTextEditor.java b/org.eclipse.ui.workbench.texteditor/src/org/eclipse/ui/texteditor/StatusTextEditor.java
index 5cd1851..28131c4 100644
--- a/org.eclipse.ui.workbench.texteditor/src/org/eclipse/ui/texteditor/StatusTextEditor.java
+++ b/org.eclipse.ui.workbench.texteditor/src/org/eclipse/ui/texteditor/StatusTextEditor.java
@@ -23,6 +23,7 @@
 import org.eclipse.core.runtime.IStatus;
 
 import org.eclipse.ui.IEditorInput;
+import org.eclipse.ui.PlatformUI;
 
 
 /**
@@ -39,6 +40,11 @@
 	private Composite fDefaultComposite;
 	/** The status page */
 	private Control fStatusControl;
+	/** {@link #setFocus()} is still running */
+	private boolean setFocusIsRunning;
+
+	// No .options for plugin yet
+	private static final boolean DEBUG = false;
 
 	/*
 	 * @see org.eclipse.ui.texteditor.AbstractTextEditor.createPartControl(Composite)
@@ -64,6 +70,13 @@
 	 * @param input the input whose status is checked
 	 */
 	public void updatePartControl(IEditorInput input) {
+		final String where = "updatePartControl"; //$NON-NLS-1$
+		if (setFocusIsRunning) {
+			trace(where, "ERROR: trying to call update while processing focus", fStatusControl); //$NON-NLS-1$
+		} else {
+			trace(where, "START", fStatusControl); //$NON-NLS-1$
+		}
+
 		boolean restoreFocus= false;
 
 		if (fStatusControl != null) {
@@ -71,6 +84,7 @@
 				restoreFocus= containsFocus(fStatusControl);
 			}
 			fStatusControl.dispose();
+			trace(where, "status control disposed", fStatusControl); //$NON-NLS-1$
 			fStatusControl= null;
 		}
 
@@ -83,6 +97,7 @@
 					front= fDefaultComposite;
 				} else {
 					fStatusControl= createStatusControl(fParent, status);
+					trace(where, "status control created", fStatusControl); //$NON-NLS-1$
 					front= fStatusControl;
 				}
 			}
@@ -97,6 +112,7 @@
 		if (restoreFocus && fStatusControl != null && !containsFocus(fStatusControl)) {
 			fParent.setFocus();
 		}
+		trace(where, "END", fStatusControl); //$NON-NLS-1$
 	}
 
 	private boolean containsFocus(Control control) {
@@ -112,6 +128,14 @@
 
 	@Override
 	public void setFocus() {
+		final String where = "setFocus"; //$NON-NLS-1$
+		if (setFocusIsRunning) {
+			trace(where, "ERROR: trying to call setFocus while processing focus", fStatusControl); //$NON-NLS-1$
+		} else {
+			trace(where, "START", fStatusControl); //$NON-NLS-1$
+		}
+		setFocusIsRunning = true;
+
 		if (fStatusControl != null && !fStatusControl.isDisposed()) {
 			/* even if the control does not really take focus, we still have to set it
 			 * to fulfill the contract and to make e.g. Ctrl+PageUp/Down work. */
@@ -119,6 +143,10 @@
 		} else {
 			super.setFocus();
 		}
+
+		setFocusIsRunning = false;
+
+		trace(where, "END", fStatusControl); //$NON-NLS-1$
 	}
 
 	@Override
@@ -227,37 +255,59 @@
 	@Override
 	protected void doSetInput(IEditorInput input) throws CoreException {
 		super.doSetInput(input);
-		if (fParent != null && !fParent.isDisposed())
-			updatePartControl(getEditorInput());
+		updatePartControl();
 	}
 
 	@Override
 	public void doRevertToSaved() {
 		// http://dev.eclipse.org/bugs/show_bug.cgi?id=19014
 		super.doRevertToSaved();
-		if (fParent != null && !fParent.isDisposed())
-			updatePartControl(getEditorInput());
+		updatePartControl();
 	}
 
 	@Override
 	protected void sanityCheckState(IEditorInput input) {
 		// http://dev.eclipse.org/bugs/show_bug.cgi?id=19014
 		super.sanityCheckState(input);
-		if (fParent != null && !fParent.isDisposed())
-			updatePartControl(getEditorInput());
+		if (!setFocusIsRunning) {
+			updatePartControl();
+		} else {
+			trace("sanityCheck", "delaying update", fStatusControl); //$NON-NLS-1$ //$NON-NLS-2$
+			PlatformUI.getWorkbench().getDisplay().asyncExec(() -> {
+				trace("sanityCheck", "incoming update", fStatusControl); //$NON-NLS-1$ //$NON-NLS-2$
+				updatePartControl();
+			});
+		}
 	}
 
 	@Override
 	protected void handleEditorInputChanged() {
 		super.handleEditorInputChanged();
-		if (fParent != null && !fParent.isDisposed())
-			updatePartControl(getEditorInput());
+		updatePartControl();
 	}
 
 	@Override
 	protected void handleElementContentReplaced() {
 		super.handleElementContentReplaced();
-		if (fParent != null && !fParent.isDisposed())
+		updatePartControl();
+	}
+
+	private void updatePartControl() {
+		if (fParent != null && !fParent.isDisposed()) {
 			updatePartControl(getEditorInput());
+		}
+	}
+
+	private static void trace(String where, String what, Control o) {
+		if (!DEBUG) {
+			return;
+		}
+		String id;
+		if (o == null) {
+			id = "null"; //$NON-NLS-1$
+		} else {
+			id = System.identityHashCode(o) + (o.isDisposed() ? "<disposed!>" : ""); //$NON-NLS-1$ //$NON-NLS-2$
+		}
+		System.out.println(where + " |" + id + "| " + what); //$NON-NLS-1$//$NON-NLS-2$
 	}
 }