Index: java/org/apache/catalina/core/mbeans-descriptors.xml
===================================================================
--- java/org/apache/catalina/core/mbeans-descriptors.xml	(revision 599866)
+++ java/org/apache/catalina/core/mbeans-descriptors.xml	(working copy)
@@ -679,6 +679,17 @@
                type="int"
                writeable="false" />
 
+    <attribute name="unavailable"
+               description="Whether the servlet is unavailable or not"
+               is="true"
+               type="boolean"/>
+
+    <attribute name="available"
+               description="The date and time at which the servlet will become available 
+                            (in milliseconds since the epoch), or zero if the servlet is available."
+               type="long"
+               writeable="false" />
+
     <operation name="findMappings"
                description="Return the mappings associated with this wrapper"
                impact="INFO"