매우 이상한 종류가 있습니다. 여기 문제. JDBC는 '127.0.0.1'을 사용하여 mysql 서버에 연결하지만 실제 IP-ADDRESS를 사용하면 영원히 멈추고 일부 소켓 예외가 throw됩니다.JDBC는 'jdbc : mysql : //127.0.0.1 : 3306/xxx'와 연결되지만 'jdbc : mysql : //172.29.198.142 : 3306/xxx'에 대해 소켓 예외가 발생합니다.
"jdbc : mysql : //127.0.0.1 : 3306/트리플 엑스"; 매력처럼 작동합니다 ....
"jdbc : mysql : //172.29.198.142 : 3306/xxx"; 아래 추한 예외 던졌습니다 ... !!
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1117)
at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:350)
at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2408)
at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2445)
at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2230)
at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:813)
at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
got null
com.xxxxxxxx.server.test.PersistTest
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:399)
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:334)
at java.sql.DriverManager.getConnection(DriverManager.java:582)
at java.sql.DriverManager.getConnection(DriverManager.java:185)
at com.lntinfotech.server.test.PersistTest.testConnectionJDBC(PersistTest.java:204)
at com.lntinfotech.server.test.PersistTest.main(PersistTest.java:56)
Caused by: java.net.SocketException: Malformed reply from SOCKS server
at java.net.SocksSocketImpl.readSocksReply(SocksSocketImpl.java:90)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:429)
at java.net.Socket.connect(Socket.java:529)
at java.net.Socket.connect(Socket.java:478)
at java.net.Socket.<init>(Socket.java:375)
at java.net.Socket.<init>(Socket.java:218)
at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:259)
at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:300)
... 16 more
도와주세요 !!!!!!
미리 감사드립니다 ......
클라이언트가 공용 MySQL IP 주소와 포트의 조합에 대한 액세스를 차단하는 SOCKS 프록시를 사용하도록 구성되었습니다. 이 액세스를 허용하도록 프록시를 구성해야합니다. – Perception