Realm Exception

Hi

I am using Tomcat 5.0.28 JDBCRealm with SecurityFilter, when I startup
Tomcat I get:

ERROR [main] RealmBase.init(1198) | Can't register null
java.lang.NullPointerException
	at org.apache.catalina.realm.RealmBase.init(RealmBase.java:1194)
	at org.apache.catalina.realm.RealmBase.start(RealmBase.java:875)
	at org.apache.catalina.realm.JDBCRealm.start(JDBCRealm.java:669)
	at org.securityfilter.realm.catalina.CatalinaRealmAdapter.setRealm(CatalinaRealmAdapter.java:81)
	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:324)
	at org.securityfilter.config.SecurityConfig.addRealm(SecurityConfig.java:217)
...

SecureFilter is functional as I can login etc... Is it normal to see
this error message?

Thanks


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