From 340a7a945ec66c7b4bcf562dd13cfbf995354d2d Mon Sep 17 00:00:00 2001
From: wenshao <szujobs@hotmail.com>
Date: Fri, 16 Nov 2012 16:17:32 +0800
Subject: [PATCH] bug fixed for httpRequest.getCookies() == null

---
 src/main/java/com/alibaba/druid/support/http/WebStatFilter.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/com/alibaba/druid/support/http/WebStatFilter.java b/src/main/java/com/alibaba/druid/support/http/WebStatFilter.java
index f95525b5a0..cca00180c0 100644
--- a/src/main/java/com/alibaba/druid/support/http/WebStatFilter.java
+++ b/src/main/java/com/alibaba/druid/support/http/WebStatFilter.java
@@ -265,7 +265,7 @@ public class WebStatFilter implements Filter {
             return sessionValue.toString();
         }
 
-        if (principalCookieName != null) {
+        if (principalCookieName != null && httpRequest.getCookies() != null) {
             for (Cookie cookie : httpRequest.getCookies()) {
                 if (principalCookieName.equals(cookie.getName())) {
                     return cookie.getValue();