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From "Wynne Carter" <n.w.car...@dundee.ac.uk>
Subject initial long delay from j_security_check
Date Mon, 04 Feb 2008 11:28:01 GMT
>From my test machine PC with Tomcat 5.5.17 my application ( built with Netbeans jdk 1.6)
does a JNDI login to a remote ldap server and returns fine. ( uses very simple form pointed
to <j_security_scheck> )

When I have it deployed on a production server ( now upgraded to Tomcat 5.5.25) the login
just hangs for many minutes, (no traffic seen on Ldap server, no logfile report ), finally
returns ( leaving log file Error below ), after which it then works fine for all users until
there has been a significant usage gap at which point the process is repeated.

The production server upgrade was tried following the info at 
http://www.mailinglistarchive.com/dev@tomcat.apache.org/msg07884.html 

unfortunately this doesn't seem to have solved the problem.

Any assistance greatly appreciated.


29-Jan-2008 14:35:30 org.apache.catalina.realm.JNDIRealm authenticate
SEVERE: Exception performing authentication
javax.naming.ServiceUnavailableException: ldap2.dundee.ac.uk:389; socket
closed; remaining name 'o=
dundee'
at com.sun.jndi.ldap.Connection.readReply(Connection.java:416)
at
com.sun.jndi.ldap.LdapClient.getSearchReply(LdapClient.java:611)
at com.sun.jndi.ldap.LdapClient.search(LdapClient.java:534)
at com.sun.jndi.ldap.LdapCtx.doSearch(LdapCtx.java:1948)
at com.sun.jndi.ldap.LdapCtx.searchAux(LdapCtx.java:1810)
at com.sun.jndi.ldap.LdapCtx.c_search(LdapCtx.java:1735)
at
com.sun.jndi.toolkit.ctx.ComponentDirContext.p_search(ComponentDirContext.java:368)
at
com.sun.jndi.toolkit.ctx.PartialCompositeDirContext.search(PartialCompositeDirContext.ja
va:338)
at
com.sun.jndi.toolkit.ctx.PartialCompositeDirContext.search(PartialCompositeDirContext.ja
va:321)
at
javax.naming.directory.InitialDirContext.search(InitialDirContext.java:248)
at
org.apache.catalina.realm.JNDIRealm.getUserBySearch(JNDIRealm.java:1051)
at
org.apache.catalina.realm.JNDIRealm.getUser(JNDIRealm.java:959)
at
org.apache.catalina.realm.JNDIRealm.authenticate(JNDIRealm.java:908)
at
org.apache.catalina.realm.JNDIRealm.authenticate(JNDIRealm.java:809)
at
org.apache.catalina.authenticator.FormAuthenticator.authenticate(FormAuthenticator.java:
258)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:417)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:870)
at org.apache.coyote.http11.Http11BaseProtocol
$Http11ConnectionHandler.processConnection(Ht
tp11BaseProtocol.java:665)
at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
at
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.j
ava:81)
at org.apache.tomcat.util.threads.ThreadPool
$ControlRunnable.run(ThreadPool.java:685)
at java.lang.Thread.run(Thread.java:619)


Dr. N. Wynne Carter,
Computing and Media Services
Level 8
Ninewells Hospital and Medical School
Dundee
DD1 9SY
Tel: 01382 632564  Fax: 01382 665226 E-Mail: n.w.carter@dundee.ac.uk


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