diff --git a/bndtools.jareditor/src/bndtools/jareditor/internal/JARPrintPage.java b/bndtools.jareditor/src/bndtools/jareditor/internal/JARPrintPage.java
index a7e6fff363..4417a57efc 100644
--- a/bndtools.jareditor/src/bndtools/jareditor/internal/JARPrintPage.java
+++ b/bndtools.jareditor/src/bndtools/jareditor/internal/JARPrintPage.java
@@ -43,6 +43,7 @@
 import org.eclipse.ui.forms.widgets.FormToolkit;
 import org.eclipse.ui.forms.widgets.ScrolledForm;
 
+import aQute.bnd.exceptions.Exceptions;
 import aQute.bnd.osgi.Jar;
 import aQute.bnd.print.JarPrinter;
 
@@ -393,10 +394,13 @@ private void update() {
 			return;
 		}
 		loading = true;
-		JAREditor.background("Printing ZIP file", monitor -> print(uri), text -> {
+		try {
+			String text = print(uri);
 			styledText.setText(text);
 			styledText.setFocus();
-		});
+		} catch (Exception e) {
+			throw Exceptions.duck(e);
+		}
 
 	}
 
diff --git a/bndtools.jareditor/src/bndtools/jareditor/internal/JARTreeEntryPart.java b/bndtools.jareditor/src/bndtools/jareditor/internal/JARTreeEntryPart.java
index d554ba09c3..eca924d87f 100644
--- a/bndtools.jareditor/src/bndtools/jareditor/internal/JARTreeEntryPart.java
+++ b/bndtools.jareditor/src/bndtools/jareditor/internal/JARTreeEntryPart.java
@@ -38,6 +38,7 @@
 import org.eclipse.ui.forms.widgets.FormToolkit;
 import org.eclipse.ui.forms.widgets.Section;
 
+import aQute.bnd.exceptions.Exceptions;
 import aQute.lib.hex.Hex;
 import aQute.lib.io.ByteBufferOutputStream;
 import aQute.lib.io.IO;
@@ -201,13 +202,13 @@ private void update() {
 		lastModified.setText("");
 		if (resource instanceof IFile) {
 			IFile node = (IFile) resource;
-			JAREditor.background("Loading " + resource.getName(), mon -> {
-				try (InputStream in = limitRead ? new LimitedInputStream(node.getContents(), READ_LIMIT)
-					: node.getContents()) {
-					return IO.copy(in, new ByteBufferOutputStream())
-						.toByteBuffer();
-				}
-			}, this::setContent);
+			try (InputStream in = limitRead ? new LimitedInputStream(node.getContents(), READ_LIMIT)
+				: node.getContents()) {
+				setContent(IO.copy(in, new ByteBufferOutputStream())
+					.toByteBuffer());
+			} catch (Exception e) {
+				throw Exceptions.duck(e);
+			}
 		} else {
 			setContent("");
 		}
diff --git a/bndtools.jareditor/src/bndtools/jareditor/internal/JARTreePage.java b/bndtools.jareditor/src/bndtools/jareditor/internal/JARTreePage.java
index bd479299e0..48351e9e28 100644
--- a/bndtools.jareditor/src/bndtools/jareditor/internal/JARTreePage.java
+++ b/bndtools.jareditor/src/bndtools/jareditor/internal/JARTreePage.java
@@ -8,6 +8,7 @@
 import org.eclipse.core.resources.IFolder;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.NullProgressMonitor;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.custom.SashForm;
 import org.eclipse.swt.graphics.Image;
@@ -20,6 +21,8 @@
 import org.eclipse.ui.forms.widgets.ScrolledForm;
 import org.eclipse.ui.plugin.AbstractUIPlugin;
 
+import aQute.bnd.exceptions.Exceptions;
+
 public class JARTreePage extends FormPage {
 
 	private Image				titleImg;
@@ -101,19 +104,21 @@ private void update() {
 		if (loading.getAndIncrement() > 1)
 			return;
 
-		JAREditor.background("Reading zip file", monitor -> {
+		try {
 			IFolder folder;
 			do {
-				folder = getFolder(uri, monitor);
+				folder = getFolder(uri, new NullProgressMonitor());
 				loading.getAndDecrement();
 			} while (loading.getAndSet(0) > 0);
-			return folder;
-		}, folder -> {
+
 			if (closed)
 				return;
 			setFolder(folder);
 			tree.setFormInput(folder);
-		});
+		} catch (CoreException e) {
+			throw Exceptions.duck(e);
+		}
+
 	}
 
 	private void setFolder(IFolder folder) {