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Struts & Hibernate
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| | | JNDI Realm NPE | JNDI Realm NPE 2006-11-23 - By pgodot
Back
Hi tomcat list,
I'm trying to setup a JNDIRealm and I recieved a NPE if the user is not in
the LDAP Server:
java.lang.NullPointerException 
at
org.apache.catalina.realm.JNDIRealm (JNDIRealm.java:1555)
at
org.apache.catalina.realm.JNDIRealm (JNDIRealm.java:1502)
at
org.apache.catalina.realm.RealmBase (RealmBase.java:1198)
at
org.apache.catalina.realm.RealmBase (RealmBase.java:436)
at
org.apache.catalina.authenticator.SSLAuthenticator (SSLAuthentic
ator.java:148)
at
org.apache.catalina.authenticator.AuthenticatorBase (AuthenticatorBase
.java:490)
at
org.apache.catalina.core.StandardHostValve (StandardHostValve.java:126
)
at
org.apache.catalina.valves.ErrorReportValve (ErrorReportValve.java:105
)
at
org.apache.catalina.core.StandardEngineValve (StandardEngineValve.java
:107)
at
org.apache.catalina.connector.CoyoteAdapter (CoyoteAdapter.java:148)
at
org.apache.jk.server.JkCoyoteHandler (JkCoyoteHandler.java:199)
at
org.apache.jk.common.HandlerRequest (HandlerRequest.java:282)
at
org.apache.jk.common.ChannelSocket (ChannelSocket.java:754)
at
org.apache.jk.common.ChannelSocket (ChannelSocket.java:684)
at
org.apache.jk.common.ChannelSocket $SocketConnection.runIt(ChannelSocket.java
:876)
at
org.apache.tomcat.util.threads.ThreadPool $ControlRunnable.run(ThreadPool.jav
a:684)
at java.lang.Thread (Thread.java:595)
This NPE arrived in the Realm and then tomcat doen't present any error page.
I checked quickly the JNDI realm code and so that:
/**
* Return the Principal associated with the given user name.
*/
protected synchronized Principal getPrincipal(DirContext context,
String username)
throws NamingException {
User user = getUser(context, username);
return new GenericPrincipal(this, user.username, user.password ,
getRoles(context, user));
}
But the getUser method return null when user is not found in the LDAP .
If the user is referenced in the LDAP all is ok !!!!
Thanks,
Phil
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