How to use

internalProxyException

method

in

org.eclipse.persistence.exceptions.TransactionException

public Connection getConnection(DataSourceImpl ds, String user, String password) throws SQLException {
  // We don't have a datasource connection yet, so allocate one
  if (connection == null) {
    debug("TxImpl - allocating new connection");
    dataSource = ds;
    connection = ds.internalGetConnection(user, password);
    connection.setAutoCommit(false);
  } else {
    // We already have a connection. Make sure the data sources are the same.
    if (ds.getName() != dataSource.getName()) {
      throw TransactionException.multipleResourceException();
    }
  }
  //  return connection;
  // Allocate and return a proxy for the connection
  debug("TxImpl - creating connection proxy");
  Connection proxyConnection = null;
  try {
    InvocationHandler handler = new ConnectionProxyHandler(connection);
    proxyConnection = (Connection)proxyClass.getConstructor(new Class[] { InvocationHandler.class }).newInstance(new Object[] { handler });
  } catch (Exception ex) {
    throw TransactionException.internalProxyException(ex);
  }
  return proxyConnection;
}