while doing this I am getting this message in catalina logs
May 31, 2010 10:09:58 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory examples
May 31, 2010 10:10:01 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory ROOT
May 31, 2010 10:10:02 AM org.apache.catalina.startup.HostConfig deployWAR
INFO: Deploying web application archive amserver.war
May 31, 2010 10:10:50 AM org.apache.coyote.http11.Http11Protocol start
INFO: Starting Coyote HTTP/1.1 on http-8082
May 31, 2010 10:10:50 AM org.apache.catalina.startup.Catalina start
INFO: Server startup in 49286 ms
May 31, 2010 10:18:47 AM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet pllservice threw exception
java.lang.NullPointerException
at com.iplanet.services.naming.service.NamingService.processRequest(NamingService.java:361)
at com.iplanet.services.naming.service.NamingService.process(NamingService.java:351)
at com.iplanet.services.comm.server.PLLRequestServlet.handleRequest(PLLRequestServlet.java:196)
at com.iplanet.services.comm.server.PLLRequestServlet.doPost(PLLRequestServlet.java:148)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.sun.identity.setup.AMSetupFilter.doFilter(AMSetupFilter.java:86)
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:127)
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:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Unknown Source)
May 31, 2010 10:23:51 AM org.apache.coyote.http11.Http11Protocol pause
INFO: Pausing Coyote HTTP/1.1 on http-8082
May 31, 2010 10:23:52 AM org.apache.catalina.core.StandardService stop
INFO: Stopping service Catalina
May 31, 2010 10:24:25 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: A web application appears to have started a thread named [LDAPConnThread-3 ldap://ldapweb.mydomain.com:6389] but has failed to stop it. This is very likely to create a memory leak.
May 31, 2010 10:24:25 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: A web application appears to have started a thread named [LDAPConnThread-4 ldap://ldapweb.mydomain.com:6389] but has failed to stop it. This is very likely to create a memory leak.
May 31, 2010 10:24:25 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: A web application appears to have started a thread named [amStats] but has failed to stop it. This is very likely to create a memory leak.
May 31, 2010 10:24:25 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: A web application appears to have started a thread named [amSession[0]] but has failed to stop it. This is very likely to create a memory leak.
May 31, 2010 10:24:25 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: A web application appears to have started a thread named [amSession[1]] but has failed to stop it. This is very likely to create a memory leak.
May 31, 2010 10:24:25 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
If anybody has any idea please help...