我尝试在localhost中使用centosbroker，并且服务启动，但是在30秒内，服务停止automaticall，没有错误，我尝试使用rest客户端连接并收到错误0。
[alex@alex ~]$ contextBroker --version
0.19.0
Copyright 2013 Telefonica Investigacion y Desarrollo, S.A.U Orion Context Broker is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
Orion Context Broker is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.
Telefonica I+D
和
[root@alex alex]# contextBroker -fg -t 0-255
DEBUG@15:18:25 paConfig.cpp[892]: setting trace levels to '0-255'
DEBUG@15:18:25 paConfig.cpp[893]: Leaving function paConfigActions
DEBUG@15:18:25 contextBroker.cpp[1341]: dbName: 'orion'
INFO@15:18:25 contextBroker.cpp[1348]: Orion Context Broker is running
DEBUG@15:18:25 contextBroker.cpp[1144]: dbName: 'orion'
DEBUG@15:18:25 MongoGlobal.cpp[101]: dbName: 'orion'
DEBUG@15:18:25 sem.cpp[107]: mongoConnect taking the 'mongo' semaphore for 'connecting to mongo'
DEBUG@15:18:25 sem.cpp[109]: mongoConnect has the 'mongo' semaphore
ERROR@15:18:25 MongoGlobal.cpp[123]: Database Startup Error (cannot connect to mongo - doing 100 retries with a 1000 microsecond interval)
答案 0 :(得分：1)
错误跟踪：
Database Startup Error (cannot connect to mongo - doing 100 retries with a 1000 microsecond interval)
表示Orion Context Broker在启动时无法连接到MongoDB。请检查您是否正确安装了MongoDB（默认情况下在localhost中，如果您想更改此设置，请查看this section in the Orion Administration Manual）。