Windchill fails to start with error "javax.naming.CommunicationException: <hostname>:389 [Root exception is java.net.ConnectException: Connection timed out" in Windchill PDMLink

• Windchill fails to start with following error message in the Method Server logs：

javax.naming.CommunicationException: <hostname>:389 [Root exception is java.net.ConnectException: Connection timed out

• Active directory user are unable to login into the windchill with below error reported in log

com.ptc.mvc.controllers.ExceptionController <user> - message : javax.naming.CommunicationException

• Method Server fails to start , error in log file 

  javax.naming.CommunicationException: <hostname>:389 [Root exception is java.net.ConnectException: Connection refused (Connection refused)]
      at java.naming/com.sun.jndi.ldap.Connection.<init>(Connection.java:252)
      at java.naming/com.sun.jndi.ldap.LdapClient.<init>(LdapClient.java:137)
      at java.naming/com.sun.jndi.ldap.LdapClient.getInstance(LdapClient.java:1616)
      at java.naming/com.sun.jndi.ldap.LdapCtx.connect(LdapCtx.java:2847)
      at java.naming/com.sun.jndi.ldap.LdapCtx.<init>(LdapCtx.java:348)
      at java.naming/com.sun.jndi.ldap.LdapCtxFactory.getLdapCtxFromUrl(LdapCtxFactory.java:266)
      at java.naming/com.sun.jndi.ldap.LdapCtxFactory.getUsingURL(LdapCtxFactory.java:226)
  ...
      at com.infoengine.procunit.adapter.Adapter.send(Adapter.java:199)
      at com.infoengine.SAK.ObjectWebject.invoke(ObjectWebject.java:319)
      at com.infoengine.compiledTasks.file.opt.ptc.Windchill_12$2e1.Windchill.tasks.wt.federation.queryprincipals$2exml.invoke(queryprincipals$2exml.java:100)
  ...
  Caused by: java.net.ConnectException: Connection refused (Connection refused)
      at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
      at java.base/java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:412)
      at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:255)
  
  

• MethodServer failed to start with below error in MethodServer log: 

  FATAL [main] wt.method.server  - MethodServerMain abort wt.services.ManagerException: Unable to start all managers. Nested exception is: (wt.services.servicesResource/21) wt.services.ManagerException: Unable to start manager: "wt.audit.AuditService" ，with implementation class:"wt.audit.StandardAuditService"
  Nested exception is: wt.services.ManagerException: Could not initialize Auditing service.
  Nested exception is: wt.org.OrganizationServicesIEException: javax.naming.CommunicationException: <hostname>:389
  	at wt.org.LdapServices.queryPrincipalsFromLdap(LdapServices.java:1181)
  	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
  	at wt.services.ServiceFactory$ServerInvocationHandler.invoke(ServiceFactory.java:399)
  	at com.sun.proxy.$Proxy64.queryPrincipalsFromLdap(Unknown Source)
  	at wt.org.StandardOrganizationServicesManager._queryPrincipals(StandardOrganizationServicesManager.java:12292)
  	at wt.org.StandardOrganizationServicesManager._queryPrincipals(StandardOrganizationServicesManager.java:11556)
  	at wt.org.StandardOrganizationServicesManager._queryPrincipals(StandardOrganizationServicesManager.java:11513)
  	at wt.org.StandardOrganizationServicesManager._queryPrincipals(StandardOrganizationServicesManager.java:11498)
  	at wt.org.StandardOrganizationServicesManager._queryPrincipal(StandardOrganizationServicesManager.java:11405)
  	at wt.org.StandardOrganizationServicesManager.getAuthenticatedUser(StandardOrganizationServicesManager.java:3128)
  	at wt.org.StandardOrganizationServicesManager.getUser(StandardOrganizationServicesManager.java:3265)
  	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
  	at wt.services.ServiceFactory$ServerInvocationHandler.invoke(ServiceFactory.java:399)
  	at com.sun.proxy.$Proxy63.getUser(Unknown Source)
  	at wt.session.StandardSessionManager.getUser(StandardSessionManager.java:454)
  	at wt.session.StandardSessionManager.getAdministrator(StandardSessionManager.java:326)
  	at wt.session.StandardSessionManager.setAdministrator(StandardSessionManager.java:289)
  	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
  	at wt.services.ServiceFactory$ServerInvocationHandler.invoke(ServiceFactory.java:399)
  	at com.sun.proxy.$Proxy53.setAdministrator(Unknown Source)
  	at wt.audit.StandardAuditService.performStartupProcess(StandardAuditService.java:294)
  	at wt.services.StandardManager.startup(StandardManager.java:459)
  	at wt.services.ManagerImplementation.startup(ManagerImplementation.java:363)
  	at wt.services.DefaultStartupHandler.startup(DefaultStartupHandler.java:112)
  	at wt.services.StandardManagerService.performStartupProcess(StandardManagerService.java:167)
  	at wt.services.StandardManager.startup(StandardManager.java:459)
  	at wt.services.StandardServicesHandler.start(StandardServicesHandler.java:44)
  	at wt.method.MethodServerMain.run(MethodServerMain.java:584)
  	at wt.method.MethodServerMain.main(MethodServerMain.java:353)

• Master cluster server does not start any longer
• Users could not access Windchill UI page
• Users get Windchill error "javax.naming.CommunicationException: <hostname>:389" on Windchill UI