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javax.security.auth.login.LoginException: Receive timed out

作者：刘大猫
  • 2025-08-09
    黑龙江

  • 本文字数：11026 字

    阅读完需：约 36 分钟

@[toc]

一、背景

亲测可用,之前搜索了很多博客，啥样的都有，就是不介绍报错以及配置用处，根本不懂照抄那些配置是干啥的，稀里糊涂的按照博客搭完也跑不起来，因此记录这个。


项目背景：公司项目当前采用 http 协议+shiro+mysql 的登录认证方式，而现在想支持 ldap 协议认证登录然后能够访问自己公司的项目网站。


举例说明：假设我们公司有自己的门户网站，现在我们收购了一家公司，他们数据库采用 ldap 存储用户数据，那么为了他们账户能登陆我们公司项目所以需要集成，而不是再把他们的账户重新在 mysql 再创建一遍，万一人家有 1W 个账户呢，不累死了且也不现实啊。


需要安装 openldap+kerberos，且 ldap 和 kerberos 安装在同一台服务器上，当前版本如下：


  • centos 7.9

  • openldap 2.4.44

  • phpldapadmin 1.2.5

  • 服务器IP：10.110.38.162

  • Kerberos ：Kerberos 5 release 1.15.1


另外介绍下我的 Spring 各个版本：


  • Spring Security：4.2.3.RELEASE

  • Spring Version：4.3.9.RELEASE

  • SpringBoot Version：1.4.7.RELEASE


注意点1：我之所以选这么旧的版本，是因为我最后要在自己项目集成，我们项目就是上面版本附近的，所以不能选太高版本，这点请注意各版本之间的兼容性问题。详情可看这篇博客介绍兼容版本：https://zhuanlan.zhihu.com/p/652895555


注意点2：如果里面的某些配置不知道在哪或者不知道干啥的，可以看我的前面的博客，详细介绍了安装配置等，可以大致了解参数。


目前网上相关文章很少，而且好多博客都是未认证就发布的所以一堆问题，跑不起来，如下是我参考的博客


二、报错

完整错误


Receive timed outjavax.security.auth.login.LoginException: Receive timed out        at com.sun.security.auth.module.Krb5LoginModule.attemptAuthentication(Krb5LoginModule.java:812)        at com.sun.security.auth.module.Krb5LoginModule.login(Krb5LoginModule.java:618)        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 javax.security.auth.login.LoginContext.invoke(LoginContext.java:755)        at javax.security.auth.login.LoginContext.access$000(LoginContext.java:195)        at javax.security.auth.login.LoginContext$4.run(LoginContext.java:682)        at javax.security.auth.login.LoginContext$4.run(LoginContext.java:680)        at java.security.AccessController.doPrivileged(Native Method)        at javax.security.auth.login.LoginContext.invokePriv(LoginContext.java:680)        at javax.security.auth.login.LoginContext.login(LoginContext.java:587)        at com.example.ldaptest2.controller.TestController.authenticateUserByPassword(TestController.java:78)        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 org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205)        at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133)        at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97)        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827)        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738)        at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)        at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)        at javax.servlet.http.HttpServlet.service(HttpServlet.java:635)        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)        at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)        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 org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:317)        at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:127)        at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:91)        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)        at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:115)        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)        at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:137)        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)        at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:111)        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)        at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:169)        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)        at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63)        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)        at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:121)        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)        at org.springframework.security.web.csrf.CsrfFilter.doFilterInternal(CsrfFilter.java:100)        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)        at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:66)        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)        at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:105)        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)        at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:56)        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)        at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:214)        at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:177)        at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)        at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)        at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)        at org.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.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:105)        at org.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.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:81)        at org.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.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)        at org.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:198)        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:478)        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80)        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)        at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:799)        at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)        at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:861)        at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1455)        at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)        at java.lang.Thread.run(Thread.java:748)Caused by: java.net.SocketTimeoutException: Receive timed out        at java.net.PlainDatagramSocketImpl.receive0(Native Method)        at java.net.AbstractPlainDatagramSocketImpl.receive(AbstractPlainDatagramSocketImpl.java:143)        at java.net.DatagramSocket.receive(DatagramSocket.java:812)        at sun.security.krb5.internal.UDPClient.receive(NetClient.java:206)        at sun.security.krb5.KdcComm$KdcCommunication.run(KdcComm.java:404)        at sun.security.krb5.KdcComm$KdcCommunication.run(KdcComm.java:364)        at java.security.AccessController.doPrivileged(Native Method)        at sun.security.krb5.KdcComm.send(KdcComm.java:348)        at sun.security.krb5.KdcComm.sendIfPossible(KdcComm.java:253)        at sun.security.krb5.KdcComm.send(KdcComm.java:229)        at sun.security.krb5.KdcComm.send(KdcComm.java:200)        at sun.security.krb5.KrbAsReqBuilder.send(KrbAsReqBuilder.java:343)        at sun.security.krb5.KrbAsReqBuilder.action(KrbAsReqBuilder.java:447)        at com.sun.security.auth.module.Krb5LoginModule.attemptAuthentication(Krb5LoginModule.java:770)        ... 100 more
复制代码


我的代码


@GetMapping(value = "/authenticateUserByPassword")public void authenticateUserByPassword() {     try {         System.setProperty("java.security.krb5.conf", "/temporary/krb5.conf");         // 创建 LoginContext 对象，并为其提供自定义 Configuration         LoginContext lc = new LoginContext("KrbLogin", null, new MyCallbackHandler(), new CustomConfigurationByPassword());
         // 进行 Kerberos 认证         lc.login();         // 获取 Subject         Subject subject = lc.getSubject();//            logger.info("subject:{}", subject);         // 在这里可以使用 subject 来执行进一步的操作，如访问受限资源         // 登出         lc.logout();     } catch (LoginException e) {         // 处理登录异常         e.printStackTrace();         logger.error("LoginException e:{}", e.getMessage());     } }
复制代码


查看 38.162 服务器上/var/log/krb5kdc.log 日志，看详细报错：


otp: LoadedJun 17 14:51:41 localhost.localdomain krb5kdc[6531](info): setting up network...krb5kdc: setsockopt(12,IPV6_V6ONLY,1) workedkrb5kdc: setsockopt(14,IPV6_V6ONLY,1) workedJun 17 14:51:41 localhost.localdomain krb5kdc[6531](info): set up 4 socketsJun 17 14:51:41 localhost.localdomain krb5kdc[6533](info): commencing operationJun 17 14:52:01 localhost.localdomain krb5kdc[6533](info): AS_REQ (8 etypes {18 17 20 19 16 23 25 26}) 127.0.0.1: CLIENT_NOT_FOUND: ldap/admin@NODE3.COM for kadmin/127.0.0.1@NODE3.COM, Client not found in Kerberos databaseJun 17 14:57:22 localhost.localdomain krb5kdc[6533](info): AS_REQ (8 etypes {18 17 20 19 16 23 25 26}) 127.0.0.1: CLIENT_NOT_FOUND: ldap/admin@NODE3.COM for kadmin/127.0.0.1@NODE3.COM, Client not found in Kerberos databaseJun 18 01:44:05 localhost.localdomain krb5kdc[6533](info): AS_REQ (4 etypes {18 17 16 23}) 127.0.0.1: CLIENT_NOT_FOUND: ldap/bridge1@NODE3.COM for krbtgt/NODE3.COM@NODE3.COM, Client not found in Kerberos databaseJun 18 01:44:05 localhost.localdomain krb5kdc[6533](info): AS_REQ (4 etypes {18 17 16 23}) 127.0.0.1: CLIENT_NOT_FOUND: ldap/bridge1@NODE3.COM for krbtgt/NODE3.COM@NODE3.COM, Client not found in Kerberos databaseJun 18 07:25:44 localhost.localdomain krb5kdc[6533](info): AS_REQ (8 etypes {18 17 16 23 25 26 20 19}) 127.0.0.1: ISSUE: authtime 1718666744, etypes {rep=18 tkt=18 ses=18}, ldapadmin@NODE3.COM for krbtgt/NODE3.COM@NODE3.COMJun 18 07:29:04 localhost.localdomain krb5kdc[6533](info): AS_REQ (4 etypes {18 17 16 23}) 127.0.0.1: ISSUE: authtime 1718666944, etypes {rep=18 tkt=18 ses=18}, ldapadmin@NODE3.COM for krbtgt/NODE3.COM@NODE3.COMJun 18 09:21:25 localhost.localdomain krb5kdc[6533](info): AS_REQ (4 etypes {18 17 16 23}) 127.0.0.1: ISSUE: authtime 1718673685, etypes {rep=18 tkt=18 ses=18}, ldapadmin@NODE3.COM for krbtgt/NODE3.COM@NODE3.COMJun 18 11:10:13 localhost.localdomain krb5kdc[6533](info): AS_REQ (4 etypes {18 17 16 23}) 127.0.0.1: ISSUE: authtime 1718680213, etypes {rep=18 tkt=18 ses=18}, ldapadmin@NODE3.COM for krbtgt/NODE3.COM@NODE3.COMJun 18 11:16:22 localhost.localdomain krb5kdc[6533](info): AS_REQ (4 etypes {18 17 16 23}) 127.0.0.1: ISSUE: authtime 1718680582, etypes {rep=18 tkt=18 ses=18}, ldapadmin@NODE3.COM for krbtgt/NODE3.COM@NODE3.COMJun 18 11:17:08 localhost.localdomain krb5kdc[6533](info): AS_REQ (8 etypes {18 17 20 19 16 23 25 26}) 127.0.0.1: ISSUE: authtime 1718680628, etypes {rep=18 tkt=18 ses=18}, ldapadmin@NODE3.COM for krbtgt/NODE3.COM@NODE3.COMJun 18 11:17:20 localhost.localdomain krb5kdc[6533](info): AS_REQ (8 etypes {18 17 20 19 16 23 25 26}) 127.0.0.1: ISSUE: authtime 1718680640, etypes {rep=18 tkt=18 ses=18}, ldapadmin@NODE3.COM for krbtgt/NODE3.COM@NODE3.COMJun 18 11:17:26 localhost.localdomain krb5kdc[6533](info): AS_REQ (8 etypes {18 17 20 19 16 23 25 26}) 127.0.0.1: ISSUE: authtime 1718680646, etypes {rep=18 tkt=18 ses=18}, ldapadmin@NODE3.COM for krbtgt/NODE3.COM@NODE3.COMJun 18 11:18:33 localhost.localdomain krb5kdc[6533](info): AS_REQ (8 etypes {18 17 20 19 16 23 25 26}) 127.0.0.1: ISSUE: authtime 1718680713, etypes {rep=18 tkt=18 ses=18}, ldapadmin@NODE3.COM for krbtgt/NODE3.COM@NODE3.COMJun 18 11:18:44 localhost.localdomain krb5kdc[6533](info): AS_REQ (4 etypes {18 17 16 23}) 127.0.0.1: ISSUE: authtime 1718680724, etypes {rep=18 tkt=18 ses=18}, ldapadmin@NODE3.COM for krbtgt/NODE3.COM@NODE3.COMJun 19 03:37:41 localhost.localdomain krb5kdc[6533](info): AS_REQ (4 etypes {18 17 16 23}) 127.0.0.1: ISSUE: authtime 1718739461, etypes {rep=18 tkt=18 ses=18}, ldapadmin@NODE3.COM for krbtgt/NODE3.COM@NODE3.COMJun 19 03:38:42 localhost.localdomain krb5kdc[6533](info): AS_REQ (8 etypes {18 17 16 23 25 26 20 19}) 127.0.0.1: ISSUE: authtime 1718739522, etypes {rep=18 tkt=18 ses=18}, ldapadmin@NODE3.COM for krbtgt/NODE3.COM@NODE3.COMJun 19 03:41:16 localhost.localdomain krb5kdc[6533](info): AS_REQ (8 etypes {18 17 16 23 25 26 20 19}) 127.0.0.1: ISSUE: authtime 1718739676, etypes {rep=18 tkt=18 ses=18}, ldap/bridge1@NODE3.COM for krbtgt/NODE3.COM@NODE3.COMJun 19 03:41:22 localhost.localdomain krb5kdc[6533](info): AS_REQ (8 etypes {18 17 16 23 25 26 20 19}) 127.0.0.1: ISSUE: authtime 1718739682, etypes {rep=18 tkt=18 ses=18}, ldapadmin@NODE3.COM for krbtgt/NODE3.COM@NODE3.COMJun 19 03:41:59 localhost.localdomain krb5kdc[6533](info): AS_REQ (8 etypes {18 17 16 23 25 26 20 19}) 127.0.0.1: ISSUE: authtime 1718739719, etypes {rep=18 tkt=18 ses=18}, ldapadmin@NODE3.COM for krbtgt/NODE3.COM@NODE3.COMJun 19 03:51:21 localhost.localdomain krb5kdc[6533](info): AS_REQ (8 etypes {18 17 20 19 16 23 25 26}) 127.0.0.1: ISSUE: authtime 1718740281, etypes {rep=18 tkt=18 ses=18}, testldap3@NODE3.COM for krbtgt/NODE3.COM@NODE3.COMJun 19 03:51:36 localhost.localdomain krb5kdc[6533](info): AS_REQ (8 etypes {18 17 16 23 25 26 20 19}) 127.0.0.1: ISSUE: authtime 1718740296, etypes {rep=18 tkt=18 ses=18}, ldapadmin@NODE3.COM for krbtgt/NODE3.COM@NODE3.COMJun 19 03:53:15 localhost.localdomain krb5kdc[6533](info): AS_REQ (4 etypes {18 17 16 23}) 127.0.0.1: ISSUE: authtime 1718740395, etypes {rep=18 tkt=18 ses=18}, ldapadmin@NODE3.COM for krbtgt/NODE3.COM@NODE3.COMJun 19 03:53:55 localhost.localdomain krb5kdc[6533](info): AS_REQ (4 etypes {18 17 16 23}) 127.0.0.1: ISSUE: authtime 1718740435, etypes {rep=18 tkt=18 ses=18}, testldap3@NODE3.COM for krbtgt/NODE3.COM@NODE3.COMJun 19 03:55:13 localhost.localdomain krb5kdc[6533](info): AS_REQ (4 etypes {18 17 16 23}) 127.0.0.1: ISSUE: authtime 1718740513, etypes {rep=18 tkt=18 ses=18}, testldap3@NODE3.COM for krbtgt/NODE3.COM@NODE3.COMJun 19 03:58:19 localhost.localdomain krb5kdc[6533](info): AS_REQ (8 etypes {18 17 20 19 16 23 25 26}) 127.0.0.1: CLIENT_NOT_FOUND: ldaptest3@NODE3.COM for krbtgt/NODE3.COM@NODE3.COM, Client not found in Kerberos databaseJun 19 05:27:53 localhost.localdomain krb5kdc[6533](info): closing down fd 14Jun 19 05:27:53 localhost.localdomain krb5kdc[6533](info): closing down fd 13Jun 19 05:27:53 localhost.localdomain krb5kdc[6533](info): closing down fd 12Jun 19 05:27:53 localhost.localdomain krb5kdc[6533](info): closing down fd 11Jun 19 05:27:53 localhost.localdomain krb5kdc[6533](info): shutting down
复制代码


场景描述：我把 demo 项目打包运行在 209 服务器，而 ldap+kerberos 安装在 38.162 服务器上，进行接口联调。


错误原因：


主要看这行：CLIENT_NOT_FOUND: ldaptest3@NODE3.COM for krbtgt/NODE3.COM@NODE3.COM, Client not found in Kerberos database
再看这行：javax.security.auth.login.LoginException: Receive timed out
复制代码


报错显示 javax.security.auth.login.LoginException: Receive timed out，总感觉代码没连接 kerberos，或者说感觉 java 代码客户端对面 kerberos 不认识。之前我是 demo 运行在 38.162 就能认证应该是能识别，当我把 demo 放在 209 服务器上就报错了猜测可能是 209 服务器的连接不上 38.162 的 88 端口，所以应该是网络的问题


举例说明：


举例说明：56.70 服务器运行 telnet 命令查看 88 端口是否可用


[root@localhost temporary]# telnet 10.110.38.162 88Trying 10.110.38.162...Connected to 10.110.38.162.Escape character is '^]'.
复制代码


209 运行 telnet 命令查看 88 端口是否可用


[root@localhost temporary]#  telnet 10.110.38.162 88Trying 10.110.38.162...telnet: connect to address 10.110.38.162: Connection timed out[root@localhost temporary]#
复制代码


解决方案：你换台服务器跑项目就能调通了。

本人其他相关文章链接

1.Centos7.9安装openldap2.Centos7.9安装kerberos3.Openldap集成Kerberos4.Centos7.9安装phpldapadmin5.java连接ldap实现用户查询功能6.java连接kerberos用户认证7.javax.security.auth.login.LoginException: Unable to obtain password from user8.javax.security.auth.login.LoginException: null (68)9.javax.security.auth.login.LoginException: Message stream modified (41)10.javax.security.auth.login.LoginException: Checksum failed11.javax.security.auth.login.LoginException: No CallbackHandler available to garner authentication info12.javax.security.auth.login.LoginException: Cannot locate KDC13.javax.security.auth.login.LoginException: Receive timed out14.java: 无法访问org.springframework.context.ConfigurableApplicationContext15.LDAP: error code 34 - invalid DN16.LDAP: error code 32 - No Such Object17.java: 无法访问org.springframework.ldap.core.LdapTemplate

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