[A-MQ, jms pool] org.apache.activemq.jms.pool.PooledConnection will not start again after stop() was called.

Issue

• org.apache.activemq.jms.pool.PooledConnection will not start again after stop() was called. According to the JMS spec "temporarily stopped
  using its stop() method. It can be restarted using its start() method." . When start() is called after stop() the following exception is thrown

javax.jms.IllegalStateException: Connection closed
    at org.apache.activemq.jms.pool.PooledConnection.assertNotClosed(PooledConnection.java:206)
    at org.apache.activemq.jms.pool.PooledConnection.start(PooledConnection.java:94)