Index: src/main/java/org/apache/jackrabbit/filevault/maven/packaging/impl/ImportPackageBuilder.java
===================================================================
--- src/main/java/org/apache/jackrabbit/filevault/maven/packaging/impl/ImportPackageBuilder.java	(revision 1818910)
+++ src/main/java/org/apache/jackrabbit/filevault/maven/packaging/impl/ImportPackageBuilder.java	(working copy)
@@ -476,7 +476,10 @@
             id = artifact.getId();
             JarFile jar = new JarFile(artifact.getFile());
             Manifest manifest = jar.getManifest();
-            String exportPackages = manifest.getMainAttributes().getValue(Constants.EXPORT_PACKAGE);
+            String exportPackages = null;
+            if (manifest != null) {
+                exportPackages = manifest.getMainAttributes().getValue(Constants.EXPORT_PACKAGE);
+            }
             if (exportPackages != null) {
                 for (Map.Entry<String, Attrs> entry : new Parameters(exportPackages).entrySet()) {
                     Attrs options = entry.getValue();
Index: src/test/resources/test-projects/manifest-generation/with-bundles/pom.xml
===================================================================
--- src/test/resources/test-projects/manifest-generation/with-bundles/pom.xml	(revision 1818910)
+++ src/test/resources/test-projects/manifest-generation/with-bundles/pom.xml	(working copy)
@@ -33,7 +33,7 @@
                     <group>my/test/group</group>
                     <importUnusedPackages>true</importUnusedPackages>
                     <importPackage>
-                        -aQute*, <!-- example of removing a package -->
+                        -aQute*,-javax.inject*, <!-- example of removing a package -->
                         -org.osgi.framework.*, <!-- should keep the org.osgi.framework but remove subpackages-->
                         javax.jcr*;version="[1.0.0,3.0.0)", <!-- example of altering existing packages -->
                         org.apache.foo  <!-- example of adding a new package -->
@@ -74,5 +74,12 @@
             <version>5.0.0</version>
             <scope>provided</scope>
         </dependency>
+        <dependency>
+            <!-- unused dependency without manifest -->
+            <groupId>javax.inject</groupId>
+            <artifactId>javax.inject</artifactId>
+            <version>1</version>
+            <scope>provided</scope>
+        </dependency>
     </dependencies>
 </project>