From eb65b1b2333246d3a5a3722aa2d1be1349694bfd Mon Sep 17 00:00:00 2001
From: Brett Wooldridge <brett.wooldridge@gmail.com>
Date: Wed, 6 Jul 2016 20:50:31 +0900
Subject: [PATCH] Fixes #664 do not recycle (requite) PoolEntrys that have been
 closed.

---
 src/main/java/com/zaxxer/hikari/pool/PoolEntry.java | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/zaxxer/hikari/pool/PoolEntry.java b/src/main/java/com/zaxxer/hikari/pool/PoolEntry.java
index 6d336817..8a82ec3b 100644
--- a/src/main/java/com/zaxxer/hikari/pool/PoolEntry.java
+++ b/src/main/java/com/zaxxer/hikari/pool/PoolEntry.java
@@ -82,8 +82,10 @@ final class PoolEntry implements IConcurrentBagEntry
     */
    void recycle(final long lastAccessed)
    {
-      this.lastAccessed = lastAccessed;
-      hikariPool.releaseConnection(this);
+      if (connection != null) {
+         this.lastAccessed = lastAccessed;
+         hikariPool.releaseConnection(this);
+      }
    }
 
    /**