@Override
  public DistributedSystemMXBean getDistributedSystemMXBean() {
    if (distributedSystemMXBeanProxy == null) {
      throw new IllegalStateException(
          "The DistributedSystemMXBean proxy was not initialized properly!");
    }
    return distributedSystemMXBeanProxy;
  }
JMX Specific operation invoke caller.


@return result of JMX Operation invocation
geode-gfsh/src/main/java/org/apache/geode/management/internal/cli/shell/JmxOperationInvoker.java