if (log.isDebugEnabled()) log.debug("AggPlugin:("+me+"):requestPushSession:  sent message");
if (log != null && log.isDebugEnabled()) log.debug("AggPlugin:("+me+"):requestPushSession:  sent message");
  private void requestPushSession (      String queryId, String clusterId, QueryResultAdapter qra)  {    sendMessage(createAggAddress(clusterId),      frameRequestXml("push_request", queryId, null, true, qra.getQuery()));    if (log.isDebugEnabled()) log.debug("AggPlugin:("+me+"):requestPushSession:  sent message");  }