If not set explicitly assume async is not supported and avoid NPEx

Fixes eclipse-ee4j/glassfish 22406
payara · Jan 9, 2020 · cce6338 · cce6338
1 parent 321e2d7
commit cce6338
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/appserver/web/web-glue/src/main/java/com/sun/enterprise/web/deploy/FilterDefDecorator.java b/appserver/web/web-glue/src/main/java/com/sun/enterprise/web/deploy/FilterDefDecorator.java
@@ -1,7 +1,7 @@
 /*
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
  *
- * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997-2020 Oracle and/or its affiliates. All rights reserved.
  *
  * The contents of this file are subject to the terms of either the GNU
  * General Public License Version 2 only ("GPL") or the Common Development
@@ -114,7 +114,8 @@ public String getSmallIcon() {
     }
 
     public boolean isAsyncSupported() {
-        return decoree.isAsyncSupported();
+        Boolean decoreeAsyncFlag = decoree.isAsyncSupported();
+        return (decoreeAsyncFlag == null ? false : decoreeAsyncFlag);
     }   
 
 }