title: SQL recoverable Exception
body: <p>I am getting this stack trace on one of my test server.</p>
  
  <pre><code>java.sql.SQLRecoverableException: IO Error: Connection timed out
              at oracle.jdbc.driver.T4CConnection.createTemporaryClob(T4CConnection.java:3401)
              at oracle.jdbc.driver.PhysicalConnection.createClob(PhysicalConnection.java:9680)
              at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
              at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
              at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
              at java.lang.reflect.Method.invoke(Unknown Source)
              at oracle.ucp.jdbc.proxy.JDBCConnectionProxyFactory.invoke(JDBCConnectionProxyFactory.java:213)
              at com.sun.proxy.$Proxy58.createClob(Unknown Source)
              at com.ril.payment.PaymentProxyDAO.initiateTransaction(PaymentProxyDAO.java:37)
              at com.ril.payment.PaymentProxyFIS.recharge(PaymentProxyFIS.java:153)
              at com.ril.payment.PaymentProxyService.recharge(PaymentProxyService.java:46)
              at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
              at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
              at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
              at java.lang.reflect.Method.invoke(Unknown Source)
  </code></pre>
  
  <p>We are using Oracle 11g, Java 6 and plain JDBC.
  Can give more information if required.</p>
  
  <p>EDIT: 
  A Requested</p>
  
  <pre><code>        poolDataSource.setConnectionFactoryClassName(connectioPoolClass);
          poolDataSource.setURL(hostUrl);
          poolDataSource.setUser(userName);
          poolDataSource.setPassword(passwd);
          poolDataSource.setConnectionPoolName(UCP_POOL);
          poolDataSource.setInitialPoolSize(50);
          poolDataSource.setMinPoolSize(20);
          poolDataSource.setMaxPoolSize(200);
          poolDataSource.setConnectionWaitTimeout(5);
  </code></pre>