帮我看看,怎么连不上数据库了??
String connectionUrl = "jdbc:sqlserver://localhost:1433;database=crab;user=test;password=testtest";
这个报错
com.microsoft.sqlserver.jdbc.SQLServerException: 到主机 的 TCP/IP 连接失败。 java.net.ConnectException: Connection refused: connect
at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDriverError(Unknown Source)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.connect(Unknown Source)
at com.microsoft.sqlserver.jdbc.SQLServerDriver.connect(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at com.sx.wdt.dbConnect.connectDB(dbConnect.java:83)
at com.sx.wdt.mainProcess.main(mainProcess.java:35)
而我换成远端的"jdbc:sqlserver://61.183.148.71;database=crab;user=tester;password=tester";
连接就没问题