Question

到主机的 TCP/IP 连接失败，怎么办？

org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (到主机 的 TCP/IP 连接失败。 java.net.ConnectException: Connection refused: connect)
at org.apache.commons.dbcp.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:1549)
at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1388)
at org.apache.commons.dbcp.BasicDataSource.getLogWriter(BasicDataSource.java:1098)
at org.apache.commons.dbcp.BasicDataSourceFactory.createDataSource(BasicDataSourceFactory.java:350)
at cn.manage.util.DBCPUtil.<clinit>(DBCPUtil.java:21)
at cn.manage.dao.impl.DeviceDaoImpl.<init>(DeviceDaoImpl.java:18)
at cn.manage.service.impl.BusinessServiceImpl.<init>(BusinessServiceImpl.java:27)
at cn.manage.web.ManagerServlet.<init>(ManagerServlet.java:30)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
服务都启动了，也重启了sqlserver服务，链接信息
端口、数据库、用户密码都检查过了，还是报这个错误，现在该怎么办？

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Answer 1

把1433前面的IP换成localhost试试

追问

改了，还是报这个错