title: Attempt to access a harvested connection
body: <p>i get this exception in my weblogic console : 
  *</p>
  
  <pre><code>Caused by: java.sql.SQLException: Attempt to access a harvested connection
      at weblogic.jdbc.wrapper.Connection.checkHarvest(Connection.java:1676)
      at weblogic.jdbc.wrapper.PoolConnection.checkConnection(PoolConnection.java:108)
      at weblogic.jdbc.wrapper.ResultSet.preInvocationHandler(ResultSet.java:93)
      at weblogic.jdbc.wrapper.ResultSet_oracle_jdbc_driver_ForwardOnlyResultSet.next(Unknown Source)
      at org.hibernate.loader.Loader.processResultSet(Loader.java:950)
      at org.hibernate.loader.Loader.doQuery(Loader.java:921)
      at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:355)
      at org.hibernate.loader.Loader.doList(Loader.java:2554)
      ... 132 more
  </code></pre>
  
  <p>the weblogic version is : 12.2.1.2.0 
  i think this exception maybe related to lazy loading , is it correct ? 
  but finally i dont know what it is exactly. </p>