Bug 497094 - Check for no symbolic name before calling PackageAdmin

Change-Id: I18e56f297188c32a412127da36d4917bf1cc9944
Signed-off-by: Thomas Watson <tjwatson@us.ibm.com>
diff --git a/bundles/org.eclipse.equinox.simpleconfigurator/src/org/eclipse/equinox/internal/simpleconfigurator/ConfigApplier.java b/bundles/org.eclipse.equinox.simpleconfigurator/src/org/eclipse/equinox/internal/simpleconfigurator/ConfigApplier.java
index 32d0792..84352f7 100644
--- a/bundles/org.eclipse.equinox.simpleconfigurator/src/org/eclipse/equinox/internal/simpleconfigurator/ConfigApplier.java
+++ b/bundles/org.eclipse.equinox.simpleconfigurator/src/org/eclipse/equinox/internal/simpleconfigurator/ConfigApplier.java
@@ -397,11 +397,14 @@
 		Set<Bundle> allSameBSNs = new LinkedHashSet<Bundle>(); // maintain order and avoid duplicates
 		for (Bundle bundle : bundles) {
 			allSameBSNs.add(bundle);
-			// look for others with same BSN
-			Bundle[] sameBSNs = packageAdminService.getBundles(bundle.getSymbolicName(), null);
-			if (sameBSNs != null) {
-				// likely contains the bundle we just added above but a set is used
-				allSameBSNs.addAll(Arrays.asList(sameBSNs));
+			String bsn = bundle.getLocation();
+			if (bsn != null) {
+				// look for others with same BSN
+				Bundle[] sameBSNs = packageAdminService.getBundles(bsn, null);
+				if (sameBSNs != null) {
+					// likely contains the bundle we just added above but a set is used
+					allSameBSNs.addAll(Arrays.asList(sameBSNs));
+				}
 			}
 		}