diff --git a/org/apache/tomcat/jdbc/pool/PooledConnection.java b/org/apache/tomcat/jdbc/pool/PooledConnection.java
index c833209..4615abf 100644
--- a/org/apache/tomcat/jdbc/pool/PooledConnection.java
+++ b/org/apache/tomcat/jdbc/pool/PooledConnection.java
@@ -541,6 +541,22 @@ public class PooledConnection {
             }^M
             if (stmt!=null)^M
                 try { stmt.close();} catch (Exception ignore2){/*NOOP*/}^M
+^M
+            try {^M
+                if(!connection.getAutoCommit()) {^M
+                    connection.rollback();^M
+                }^M
+            } catch (SQLException e) {^M
+                // do nothing^M
+            }^M
+        } finally {^M
+            try {^M
+                if(!connection.getAutoCommit()) {^M
+                    connection.commit();^M
+                }^M
+            } catch (SQLException e) {^M
+                // do nothing^M
+            }^M
         }^M
         return false;^M
     } //validate