任何机构可以解释java.net.ConnectException:连接超时如何防止java.net.ConnectException:连接超时?
Caused by: java.net.ConnectException: Connection timed out
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:337)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:198)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:180)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:391)
at java.net.Socket.connect(Socket.java:579)
at sun.reflect.GeneratedMethodAccessor11.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at net.sourceforge.jtds.jdbc.SharedSocket.createSocketForJDBC3(SharedSocket.java:289)
at net.sourceforge.jtds.jdbc.SharedSocket.(SharedSocket.java:250)
at net.sourceforge.jtds.jdbc.ConnectionJDBC2.(ConnectionJDBC2.java:297)
这是一个数据库连接错误。你可以做一个telnet到你的数据库服务器和端口? –
是的,我试图访问远程系统。所以我有连接超时你能给我解决方案我 – sivaram
你可以尝试ping服务器?另一个问题可能是SQL Server需要您手动启用TCP/IP协议,如果您想从联网系统连接。 –