@Override
  public String toString() {
    String cname = getShortClassName();
    return cname + '@' + Integer.toHexString(System.identityHashCode(this))
        + " processorId=" + getProcessorId()
        + " sender=" + getSender();
  }
returns the class name w/o package information. useful in logging
geode-core/src/main/java/org/apache/geode/distributed/internal/DistributionMessage.java