AMConsole page not accessible

Hi,

I'am trying to access /amconsole page get the following message:

"Authentication Service is not initialized."

Does anyone know, could be the possible reason for this.

I get the following error in amAuth logs:

02/13/2007 02:16:14:603 PM GMT: Thread[service-j2ee-2,5,main]

AuthD initializing

02/13/2007 02:16:14:603 PM GMT: Thread[service-j2ee-2,5,main]

ERROR: AuthD failed to get session service instance

02/13/2007 02:16:14:604 PM GMT: Thread[service-j2ee-2,5,main]

ERROR: AuthD init()

java.lang.NullPointerException

at com.sun.identity.authentication.service.AuthD.initAuthSessions(AuthD.java:765)

at com.sun.identity.authentication.service.AuthD.<init>(AuthD.java:227)

at com.sun.identity.authentication.service.AuthD.getAuth(AuthD.java:529)

at com.sun.identity.authentication.UI.LoginServlet.initializeRequestContext(LoginS ervlet.java:111)

at com.iplanet.jato.ApplicationServletBase.processRequest(ApplicationServletBase.j ava:407)

at com.iplanet.jato.ApplicationServletBase.doPost(ApplicationServletBase.java:324)

at com.iplanet.jato.ApplicationServletBase.doGet(ApplicationServletBase.java:294)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFil terChain.java:247)

at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterCha in.java:98)

at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.ja va:176)

at java.security.AccessController.doPrivileged(Native Method)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain .java:172)

at uk.nhs.spine.idm.amserver.filter.LoginFilter.doFilter(LoginFilter.java:157)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFil terChain.java:213)

at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterCha in.java:98)

at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.ja va:176)

at java.security.AccessController.doPrivileged(Native Method)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain .java:172)

at com.sun.mobile.filter.AMLController.doFilter(AMLController.java:163)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFil terChain.java:213)

at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterCha in.java:98)

at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.ja va:176)

at java.security.AccessController.doPrivileged(Native Method)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain .java:172)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java: 265)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:505)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java: 212)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:505)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:203)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:505)

at com.iplanet.ias.web.connector.nsapi.NSAPIProcessor.process(NSAPIProcessor.java: 158)

at com.iplanet.ias.web.WebContainer.service(WebContainer.java:598)

02/13/2007 02:16:14:605 PM GMT: Thread[service-j2ee-2,5,main]

AuthD initializing

02/13/2007 02:16:14:606 PM GMT: Thread[service-j2ee-2,5,main]

ERROR: AuthD failed to get session service instance

02/13/2007 02:16:14:606 PM GMT: Thread[service-j2ee-2,5,main]

ERROR: AuthD init()

java.lang.NullPointerException

at com.sun.identity.authentication.service.AuthD.initAuthSessions(AuthD.java:765)

at com.sun.identity.authentication.service.AuthD.<init>(AuthD.java:227)

at com.sun.identity.authentication.service.AuthD.getAuth(AuthD.java:529)

at com.sun.identity.authentication.service.AuthUtils.<init>(AuthUtils.java:1 20)

at com.sun.identity.authentication.UI.LoginServlet.initializeRequestContext(LoginS ervlet.java:112)