--- trunk/v3/appclient/server/core/src/main/java/org/glassfish/appclient/server/core/ApplicationSignedJARManager.java	(revision 34056)
+++ trunk/v3/appclient/server/core/src/main/java/org/glassfish/appclient/server/core/ApplicationSignedJARManager.java	(working copy)
@@ -302,7 +302,7 @@
         boolean jarIsSigned = false;
         for (Map.Entry<String,Attributes> entry : perEntryAttrs.entrySet()) {
             for (Object attrKey : entry.getValue().keySet()) {
-                if (((String) attrKey).contains("-Digest-")) {
+                if (attrKey.toString().contains("-Digest-")) {
                     jarIsSigned = true;
                     break;
                 }