From 907063f33e3aa28e39d617a3ff86f9ec28aa8405 Mon Sep 17 00:00:00 2001
From: wenshao <szujobs@gmail.com>
Date: Thu, 28 Feb 2013 22:20:38 +0800
Subject: [PATCH] add error detail info

---
 .../alibaba/druid/pool/DruidPooledConnection.java    | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/alibaba/druid/pool/DruidPooledConnection.java b/src/main/java/com/alibaba/druid/pool/DruidPooledConnection.java
index 4557d28468..f3d89dfd78 100644
--- a/src/main/java/com/alibaba/druid/pool/DruidPooledConnection.java
+++ b/src/main/java/com/alibaba/druid/pool/DruidPooledConnection.java
@@ -1012,8 +1012,16 @@ public class DruidPooledConnection extends PoolableWrapper implements javax.sql.
     }
 
     public void checkState() throws SQLException {
-        if (holder == null || closed || disable) {
-            throw new SQLException("connection is closed");
+        if (holder == null) {
+            throw new SQLException("connection holder is null");
+        }
+        
+        if (closed) {
+            throw new SQLException("connection closed");
+        }
+        
+        if (disable) {
+            throw new SQLException("connection disabled");
         }
     }