Fix NPE if no filters are configured.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@815290 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/java/org/apache/catalina/core/StandardWrapperValve.java b/java/org/apache/catalina/core/StandardWrapperValve.java
index 74522f0..d9dbc1b 100644 (file)
--- a/java/org/apache/catalina/core/StandardWrapperValve.java
+++ b/java/org/apache/catalina/core/StandardWrapperValve.java
@@ -199,7 +199,9 @@ final class StandardWrapperValve
         // Reset comet flag value after creating the filter chain
         request.setComet(false);
         //check filters to see if we support async or not.
-        request.setAsyncSupported(filterChain.isAsyncSupported());
+        if (filterChain != null) {
+            request.setAsyncSupported(filterChain.isAsyncSupported());
+        }
 
         // Call the filter chain for this request
         // NOTE: This also calls the servlet's service() method