https://www.eclipse.org/che/getting-started/cloud/ list things like thorntail which is no longer supported - could it be replaced with a Quarkus flow ?

  // Close the ZkConnectionManager if no other shared client is referring to it.
  // Note the close operation of connection manager needs to be synchronized with the pool operation
  // to avoid race condition.
  private void cleanupConnectionManager(ZkConnectionManager zkConnectionManager) {
    synchronized (_connectionManagerPool) {
      zkConnectionManager.close(true);
    }
  }