Index: system/src/main/org/jboss/deployment/DeploymentInfo.java
===================================================================
--- system/src/main/org/jboss/deployment/DeploymentInfo.java	(revision 81917)
+++ system/src/main/org/jboss/deployment/DeploymentInfo.java	(working copy)
@@ -386,7 +386,9 @@
                fis.close();
             }
             else if(isXML == false)// a jar
-               manifest = new JarFile(file).getManifest();
+               JarFile jarFile = new JarFile(file);
+               manifest = jarFile.getManifest();
+               jarFile.close();
          }
 
          return manifest;