Jenkins 发送验证邮件失败

最近在玩Jenkins想配置一个邮件提醒,在正确配置了SMTP服务器账号密码信息后,点击发送测试邮件死活发不出去,并报下边的错误。我检查了很多遍我的配置,并且从其他一个服务器拿过来一个在用的确认没错的配置以及账号尝试发送还是不成功。查了很多帖子,原来是这里发送邮件的账户,应该与上边填写的系统管理员账户(System Admin e-mail address)一致,修改后示例邮件发送成功。看来这个Jenkins坑还不少啊。

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java.net.SocketException: Connection or outbound has closed
at java.base/sun.security.ssl.SSLSocketImpl$AppOutputStream.write(SSLSocketImpl.java:1297)
at com.sun.mail.util.TraceOutputStream.write(TraceOutputStream.java:116)
at java.base/java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:81)
at java.base/java.io.BufferedOutputStream.flush(BufferedOutputStream.java:142)
at com.sun.mail.smtp.SMTPTransport.sendCommand(SMTPTransport.java:2429)
Caused: jakarta.mail.MessagingException: Can't send command to SMTP host;
  nested exception is:
java.net.SocketException: Connection or outbound has closed
at com.sun.mail.smtp.SMTPTransport.sendCommand(SMTPTransport.java:2431)
at com.sun.mail.smtp.SMTPTransport.sendCommand(SMTPTransport.java:2418)
at com.sun.mail.smtp.SMTPTransport.close(SMTPTransport.java:1394)
at jakarta.mail.Transport.send0(Transport.java:233)
at jakarta.mail.Transport.send(Transport.java:100)
at hudson.tasks.Mailer$DescriptorImpl.doSendTestMail(Mailer.java:714)
at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(MethodHandle.java:710)
at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:397)
at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:409)
at org.kohsuke.stapler.interceptor.RequirePOST$Processor.invoke(RequirePOST.java:78)
at org.kohsuke.stapler.PreInvokeInterceptedFunction.invoke(PreInvokeInterceptedFunction.java:26)
at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:207)
at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:140)
at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:558)
at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:59)
at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:762)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:894)
at org.kohsuke.stapler.MetaClass$4.doDispatch(MetaClass.java:289)
at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:59)
at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:762)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:894)
at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:830)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:894)
at org.kohsuke.stapler.MetaClass$9.dispatch(MetaClass.java:475)
at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:762)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:894)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:690)
at org.kohsuke.stapler.Stapler.service(Stapler.java:240)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:157)
at hudson.plugins.locale.LocaleFilter.doFilter(LocaleFilter.java:42)
at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:154)
at jenkins.telemetry.impl.UserLanguages$AcceptLanguageFilter.doFilter(UserLanguages.java:129)
at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:154)
at jenkins.security.ResourceDomainFilter.doFilter(ResourceDomainFilter.java:81)
at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:154)
at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:160)
at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:154)
at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
at jenkins.security.AcegiSecurityExceptionFilter.doFilter(AcegiSecurityExceptionFilter.java:52)
at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:99)
at hudson.security.UnwrapSecurityExceptionFilter.doFilter(UnwrapSecurityExceptionFilter.java:54)
at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:99)
at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:122)
at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:116)
at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:99)
at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:109)
at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:99)
at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:106)
at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:97)
at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:99)
at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:223)
at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:217)
at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:99)
at jenkins.security.BasicHeaderProcessor.doFilter(BasicHeaderProcessor.java:97)
at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:99)
at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:112)
at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:82)
at hudson.security.HttpSessionContextIntegrationFilter2.doFilter(HttpSessionContextIntegrationFilter2.java:63)
at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:99)
at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:53)
at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30)
at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:549)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1571)
at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1383)
at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1544)
at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1305)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
at org.eclipse.jetty.server.Server.handle(Server.java:563)
at org.eclipse.jetty.server.HttpChannel.lambda$handle$0(HttpChannel.java:505)
at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:762)
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:497)
at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:282)
at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
at org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.runTask(AdaptiveExecutionStrategy.java:421)
at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.consumeTask(AdaptiveExecutionStrategy.java:390)
at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.tryProduce(AdaptiveExecutionStrategy.java:277)
at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.lambda$new$0(AdaptiveExecutionStrategy.java:139)
at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:411)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:933)
at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1077)
at java.base/java.lang.Thread.run(Thread.java:829)

Reference:

https://zhuanlan.zhihu.com/p/486079741