From 339e65c4de569899a7efbc2cc4bc93a328ba7d38 Mon Sep 17 00:00:00 2001
From: wenshao <szujobs@gmail.com>
Date: Tue, 16 Apr 2013 21:51:01 +0800
Subject: [PATCH] add more error info

---
 src/main/java/com/alibaba/druid/pool/DruidDataSource.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/alibaba/druid/pool/DruidDataSource.java b/src/main/java/com/alibaba/druid/pool/DruidDataSource.java
index 862e62bda3..d6de2538c1 100644
--- a/src/main/java/com/alibaba/druid/pool/DruidDataSource.java
+++ b/src/main/java/com/alibaba/druid/pool/DruidDataSource.java
@@ -1117,7 +1117,11 @@ public class DruidDataSource extends DruidAbstractDataSource implements DruidDat
                 empty.signal(); // send signal to CreateThread create connection
 
                 if (estimate <= 0) {
-                    throw new GetConnectionTimeoutException();
+                    if (this.createError == null) {
+                        throw new GetConnectionTimeoutException(createError);
+                    } else {
+                        throw new GetConnectionTimeoutException();
+                    }
                 }
 
                 notEmptyWaitThreadCount++;