private void startSender(String senderId) {
    try (IgnoredException ie1 = addIgnoredException("Could not connect");
        IgnoredException ie2 = addIgnoredException(ForceReattemptException.class);
        IgnoredException ie3 = addIgnoredException(InterruptedException.class)) {
      findGatewaySender(senderId).start();
    }
  }
Since the sender is attached to a region and in use, it can not be destroyed. Hence, exception
is thrown by the sender API.
geode-wan/src/distributedTest/java/org/apache/geode/internal/cache/wan/serial/SerialGatewaySenderOperationsDistributedTest.java