안드로이드 비누 호출 예외

Question

안녕하세요 저는 비누 webservices를 사용하여 MySQL 데이터베이스 연결로 안드로이드 로그인을 개발해야합니다.

성공적으로 내 (로컬 호스트/phpMyAdmin을)

Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/androidlogin","root",""); 

근무는하지만 내 dev 사이트에 근무하지 않는됩니다 : (dev.www.com/phpmyadmin)

Connection con = DriverManager.getConnection("jdbc:mysql://dev.www.com:3306/login","mm2","mm5"); 

을

위의 코드를 사용하면 다음과 같은 오류가 발생합니다.이 오류를 해결하는 방법은 무엇입니까? 오류가 아래 점점

오전 :

java.sql.SQLException: Unable to connect to any hosts due to exception:  java.net.SocketException: java.net.ConnectException: Operation timed out 

** BEGIN NESTED EXCEPTION ** 

java.net.SocketException 
MESSAGE: java.net.ConnectException: Operation timed out 

STACKTRACE: 

java.net.SocketException: java.net.ConnectException: Operation timed out 
at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:143) 
at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:225) 
at com.mysql.jdbc.Connection.createNewIO(Connection.java:1805) 
at com.mysql.jdbc.Connection.<init>(Connection.java:452) 
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:411) 
at java.sql.DriverManager.getConnection(DriverManager.java:582) 
at java.sql.DriverManager.getConnection(DriverManager.java:185) 
at com.xcart.Login.authentication(Login.java:16) 
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) 
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 
at java.lang.reflect.Method.invoke(Method.java:597) 
at org.apache.axis2.rpc.receivers.RPCUtil.invokeServiceClass(RPCUtil.java:212) 
at org.apache.axis2.rpc.receivers.RPCMessageReceiver.invokeBusinessLogic(RPCMessageReceiver.java:117) 
at org.apache.axis2.receivers.AbstractInOutMessageReceiver.invokeBusinessLogic(AbstractInOutMessageReceiver.java:40) 
at org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:110) 
at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:181) 
at org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:172) 
at org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:146) 
at javax.servlet.http.HttpServlet.service(HttpServlet.java:641) 
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) 
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224) 
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169) 
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472) 
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168) 
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98) 
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927) 
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) 
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407) 
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:987) 
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:579) 
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:307) 
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) 
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) 
at java.lang.Thread.run(Thread.java:680) 


    ** END NESTED EXCEPTION ** 


    at com.mysql.jdbc.Connection.createNewIO(Connection.java:1875) 
    at com.mysql.jdbc.Connection.<init>(Connection.java:452) 
    at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:411) 
    at java.sql.DriverManager.getConnection(DriverManager.java:582) 
    at java.sql.DriverManager.getConnection(DriverManager.java:185) 
    at com.xcart.Login.authentication(Login.java:16) 
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) 
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 
    at java.lang.reflect.Method.invoke(Method.java:597) 
    at org.apache.axis2.rpc.receivers.RPCUtil.invokeServiceClass(RPCUtil.java:212) 
    at org.apache.axis2.rpc.receivers.RPCMessageReceiver.invokeBusinessLogic(RPCMessageReceiver.java:117) 
    at org.apache.axis2.receivers.AbstractInOutMessageReceiver.invokeBusinessLogic(AbstractInOutMessageReceiver.java:40) 
    at org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:110) 
    at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:181) 
    at org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:172) 
    at org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:146) 
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:641) 
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:722) 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) 
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224) 
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169) 
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472) 
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168) 
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98) 
    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927) 
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) 
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407) 
    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:987) 
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:579) 
    at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:307) 
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) 
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) 
    at java.lang.Thread.run(Thread.java:680) 

Answer 1

이 코드 문제가되지 않습니다. 그것은 당신의 환경에서 무언가이므로 여기 얼마나 많은 사람들이 당신을 도울 수 있는지 확신하지 못합니다. 여기에 몇 가지 힌트가 있습니다. 예외 메시지는 다음과 같습니다.

java.net.ConnectException: Operation timed out 

이것은 몇 가지 사항을 제외합니다. www.dev.com 호스트에 액세스 할 수 있지만 mysql이 실행되고 있지 않으면 java.net.ConnectException: Connection refused이됩니다. 주소 (예 : www.dev.comm)를 잘못 입력했다면 java.net.UnknownHostException: <host name>을 얻었을 것입니다.

시간 초과 오류가 발생했습니다. 즉, 호스트 이름이 주소로 성공적으로 확인되었지만 주소에 연결하려고하면 컴퓨터에서 전혀 응답이 없습니다. 일반적으로 두 가지 중 하나를 의미합니다 :

• 누군가가 컴퓨터를 꺼
• 이 방화벽이 당신과 컴퓨터와 방화벽 포트에 TCP 연결을 허용하지 않습니다 사이 켜는 3306

방화벽이라고 생각합니다. 행운을 빕니다. 희망이 도움이됩니다.