案例: from modbus_tk import modbus_tcp,defines import time s = modbus_tcp.TcpServer(port=5300) def main(): try: s.start() s.add_slave(1) sl = s.get_slave(1) sl.add_block('block0',defines.HOLDING_REGISTERS,0,100) sl.set_values('block0',0,[1 for i in ran…
错误信息: listen(): bind() failed errno:48 Address already in use for socket: 0.0.0.0:27017 27017端口已经被占用 完整error信息 2016-10-24T23:46:56.314+0800 E NETWORK [initandlisten] listen(): bind() failed errno:48 Address already in use for socket: 0.0.0.0:27017 2…
参考: Mac OSX 解决socket.error: [Errno 48] Address already in use问题 Mac OS X中解决socket.error: [Errno 48] Address already in use 端口占用问题 解决方法: 使用lsof命令查看当前localhost进程的PID: sudo lsof -i:5000 kill掉进程: sudo kill [pid] 2017.3.28…
5.在安装的时候遇到的问题 5.1使用ambari-server start的时候出现ERROR: Exiting with exit code -1. 5.1.1REASON: Ambari Server java process died with exitcode 255. Check /var/log/ambari-server/ambari-server.out for more information 解决: 由于是重新安装,所以在使用/etc/init.d/postgresql …