Can't able to open alfresco client when using LDAP

[navaskhan17]

org.alfresco.error.AlfrescoRuntimeException: Failed to authenticate as Guest user.
caused by:
java.lang.NullPointerException

Hide Details

org.alfresco.error.AlfrescoRuntimeException: Failed to authenticate as Guest user.
at org.alfresco.web.app.servlet.AuthenticationHelper.authenticate(AuthenticationHelper.java:211)
at org.alfresco.web.app.servlet.AuthenticationHelper.authenticate(AuthenticationHelper.java:106)
at org.alfresco.web.app.servlet.AuthenticationFilter.doFilter(AuthenticationFilter.java:75)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Thread.java:595)
Caused by: java.lang.NullPointerException
at org.alfresco.repo.security.authentication.AbstractAuthenticationComponent.setCurrentUser(AbstractAuthenticationComponent.java:168)
at org.alfresco.repo.security.authentication.AbstractAuthenticationComponent.setGuestUserAsCurrentUser(AbstractAuthenticationComponent.java:336)
at org.alfresco.repo.security.authentication.AbstractAuthenticationComponent.setGuestUserAsCurrentUser(AbstractAuthenticationComponent.java:324)
at org.alfresco.repo.security.authentication.AuthenticationServiceImpl.authenticateAsGuest(AuthenticationServiceImpl.java:207)
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:585)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:296)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:177)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:144)
at net.sf.acegisecurity.intercept.method.aopalliance.MethodSecurityInterceptor.invoke(MethodSecurityInterceptor.java:80)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:166)
at org.alfresco.repo.security.permissions.impl.ExceptionTranslatorMethodInterceptor.invoke(ExceptionTranslatorMethodInterceptor.java:49)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:166)
at org.alfresco.repo.audit.AuditComponentImpl.audit(AuditComponentImpl.java:275)
at org.alfresco.repo.audit.AuditMethodInterceptor.invoke(AuditMethodInterceptor.java:69)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:166)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:107)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:166)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
at $Proxy24.authenticateAsGuest(Unknown Source)
at org.alfresco.web.app.servlet.AuthenticationHelper.authenticate(AuthenticationHelper.java:155)
… 14 more

[mahkath]

Have u copied and edited below files

1) ldap-authentication-context.xml
2) ldap-authentication.properties

Please provide more details about your configuration.

Regards,
Mahesh