Index: src/test/org/apache/commons/dbcp2/TesterConnection.java
===================================================================
--- src/test/org/apache/commons/dbcp2/TesterConnection.java     (revisão 1532638)
+++ src/test/org/apache/commons/dbcp2/TesterConnection.java     (cópia de trabalho)
@@ -361,7 +361,7 @@

     @Override
     public boolean isValid(int timeout) throws SQLException {
-        throw new SQLException("Not implemented.");
+        return true;
     }

     @Override
Index: src/java/org/apache/commons/dbcp2/PoolableConnectionFactory.java
===================================================================
--- src/java/org/apache/commons/dbcp2/PoolableConnectionFactory.java    (revisão 1532638)
+++ src/java/org/apache/commons/dbcp2/PoolableConnectionFactory.java    (cópia de trabalho)
@@ -256,6 +256,9 @@
         if(conn.isClosed()) {
             throw new SQLException("validateConnection: connection closed");
         }
+        if(!conn.isValid(0)) {
+            throw new SQLException("validateConnection: connection.isValid(0) == false");
+        }
         if(null != query) {
             Statement stmt = null;
             ResultSet rset = null;