我这里有两套环境，一套测试，一套正式环境在测试环境上面可以配置成功也可以成功发送测试邮件，正式环境上会出这个报错，不知道是网络原因还是防火墙原因。不用列文档了，该查的文档我都查过了企业微信邮箱，报错如下：com.sun.mail.util.MailConnectException: Couldn't connect to host, port: SMTP.exmail.qq.com, 25; timeout 60000;nested exception is: java.net.UnknownHostException: SMTP.exmail.qq.com at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:2209) at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:740) at javax.mail.Service.connect(Service.java:366) at javax.mail.Service.connect(Service.java:246) at com.fr.base.EmailManager.connect(EmailManager.java:686) at com.fr.base.EmailManager.sendEmail(EmailManager.java:465) at com.fr.base.EmailManager.send(EmailManager.java:422) at com.fr.base.EmailManager.sendWithRecord(EmailManager.java:395) at com.fr.base.EmailManager.send(EmailManager.java:358) at com.fr.base.EmailManager.send(EmailManager.java:339) at com.fr.base.EmailManager.send(EmailManager.java:320) at com.fr.base.EmailManager.send(EmailManager.java:288) at com.fr.base.EmailManager.sendTestMail(EmailManager.java:265) at com.fr.decision.webservice.v10.config.ConfigService.testEmailConnection(Unknown Source) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at com.fr.decision.config.ConfigInterceptor.intercept(Unknown Source) at com.fr.decision.webservice.v10.config.ConfigService$$EnhancerByCGLIB$$fb9e39a3.testEmailConnection( at com.fr.web.controller.decision.api.config.EmailResource.testEmail(Unknown Source) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at com.fr.third.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205) at com.fr.third.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133) at com.fr.third.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97) at com.fr.third.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:854) at com.fr.third.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:765) at com.fr.third.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) at com.fr.third.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967) at com.fr.third.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901) at com.fr.third.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) at com.fr.third.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872) at javax.servlet.http.HttpServlet.service(HttpServlet.java:652) at com.fr.third.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) at javax.servlet.http.HttpServlet.service(HttpServlet.java:733) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at com.fr.decision.webservice.BackupActivator$1.doFilter(Unknown Source) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at com.fr.decision.webservice.filter.TenantFilter.doFilter(Unknown Source) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at com.fr.decision.base.DecisionServletInitializer$6.doFilterInternal(Unknown Source) at com.fr.third.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at com.fr.decision.base.DecisionServletInitializer$4.doFilter(Unknown Source) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at com.fr.plugin.bi.holger.zdgl.encode.GlobalFilter.doFilter(Unknown Source) at com.fr.decision.base.DecisionServletInitializer$5.doFilter(Unknown Source) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at com.fr.third.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197) at com.fr.third.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:544) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:698) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:364) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:616) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:831) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1629) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748)Caused by: java.net.UnknownHostException: SMTP.exmail.qq.com at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at com.sun.mail.util.SocketFetcher.createSocket(SocketFetcher.java:357) at com.sun.mail.util.SocketFetcher.getSocket(SocketFetcher.java:238) at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:2175) ... 80 more
