|  |  | 
 |  |  |         Session session = this.get(cmd.getDevId()); | 
 |  |  |         if (session == null) { | 
 |  |  |             log.error("DevId: {} not online!", cmd.getDevId()); | 
 |  |  |             return "-1"; | 
 |  |  |             return null; | 
 |  |  |         } | 
 |  |  |         String requestKey = requestKey(cmd.getDevId(), cmd.getRespId(), cmd.getPackageNo()); | 
 |  |  |         SynchronousQueue<String> subscribe = subscribe(requestKey); | 
 |  |  |         if (subscribe == null) { | 
 |  |  |             log.error("DevId: {} key:{} send repaid", cmd.getDevId(), requestKey); | 
 |  |  |             return "-1"; | 
 |  |  |             return null; | 
 |  |  |         } | 
 |  |  |         session.writeObject(cmd); | 
 |  |  |         try { | 
 |  |  | 
 |  |  |                 log.error("{}", e.getMessage(), e); | 
 |  |  |             } | 
 |  |  |         } | 
 |  |  |         log.warn("未找到对应回复指令,key:{} 消息:{} ", requestKey, data); | 
 |  |  |         log.warn("Not find response,key:{} data:{} ", requestKey, data); | 
 |  |  |         return false; | 
 |  |  |     } | 
 |  |  |  |