我有一个使用 putty 访问的 linux 服务器。
我使用 SQuirrel SQL 客户端程序访问该服务器的 mysql 数据库。
一切正常。现在我买了一台新的 windows 电脑,我想安装所有相同的应用程序来访问我的 linux 服务器。
我可以很好地使用 putty 访问我的服务器。
我安装了 SQuirrel 并放置了相同的驱动程序、属性来访问数据库,但我不工作。
我收到以下错误:
MESSAGE: Connection refused: connect
STACKTRACE:
java.net.ConnectException: Connection refused: connect
at java.net.DualStackPlainSocketImpl.connect0(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:69)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:157)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:391)
at java.net.Socket.connect(Socket.java:579)
at java.net.Socket.connect(Socket.java:528)
at java.net.Socket.<init>(Socket.java:425)
at java.net.Socket.<init>(Socket.java:208)
at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:121)
at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:220)
at com.mysql.jdbc.Connection.createNewIO(Connection.java:1768)
at com.mysql.jdbc.Connection.<init>(Connection.java:440)
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:400)
at net.sourceforge.squirrel_sql.fw.sql.SQLDriverManager.getConnection(SQLDriverManager.java:133)
at net.sourceforge.squirrel_sql.client.mainframe.action.OpenConnectionCommand.executeConnect(OpenConnectionCommand.java:167)
at net.sourceforge.squirrel_sql.client.mainframe.action.OpenConnectionCommand.access$000(OpenConnectionCommand.java:45)
at net.sourceforge.squirrel_sql.client.mainframe.action.OpenConnectionCommand$1.run(OpenConnectionCommand.java:104)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)
** END NESTED EXCEPTION **
我怎样才能解决这个问题 ?