Fix an NPE.
diff --git a/bundles/org.eclipse.core.runtime/src/org/eclipse/core/internal/runtime/ResourceTranslator.java b/bundles/org.eclipse.core.runtime/src/org/eclipse/core/internal/runtime/ResourceTranslator.java
index 70ee028..0839e36 100644
--- a/bundles/org.eclipse.core.runtime/src/org/eclipse/core/internal/runtime/ResourceTranslator.java
+++ b/bundles/org.eclipse.core.runtime/src/org/eclipse/core/internal/runtime/ResourceTranslator.java
@@ -111,6 +111,8 @@
 		ManifestElement[] classpathElements;
 		try {
 			classpathElements = ManifestElement.parseHeader(Constants.BUNDLE_CLASSPATH, (String) b.getHeaders().get(Constants.BUNDLE_CLASSPATH));
+			if(classpathElements == null)
+				return;
 			for (int i = 0; i < classpathElements.length; i++) {
 				URL classpathEntry = b.getEntry(classpathElements[i].getValue());
 				if (classpathEntry != null)