I have Tomcat 3.2.2, Suse 7.1 and JDK1.1.8. I configure my /usr/local/tomcat/conf/server.xml with this: <RequestInterceptor className="org.apache.tomcat.request.JDBCRealm" debug="99" driverName="org.postgresql.Driver" connectionURL="jdbc:postgresql://localhost:5432/ingenieria" connectionName="postgres" connectionPassword="xxxxxxxxx" /> but when I run tomcat I get this error messages: Using classpath: /usr/local/tomcat/lib/tomcat.jar Using JAVA_HOME: /usr/lib/jdk1.1.8 Using TOMCAT_HOME: /usr/local/tomcat cinaweb:/usr/local/tomcat/bin # Tomcat: setAttribute home=/usr/local/tomcat ERROR reading /usr/local/tomcat//conf/server.xml At Line 129 /Server/ContextManager/RequestInterceptor/ className=org.apache.tomcat.request.JDBCRealm debug=99 driverName=org.postgresql.Driver connectionURL=jdbc:postgresql://localhost:5432/ingenieria connectionName=postgres connectionPassword=4490337 Guessed home=/usr/local/tomcat java.lang.reflect.InvocationTargetException at org.apache.tomcat.util.IntrospectionUtils.execute(IntrospectionUtils.java:87) at org.apache.tomcat.startup.Main.execute(Main.java:326) at org.apache.tomcat.startup.Main.main(Main.java:189) 2001-06-26 01:33:51 - SessionIdGenerator: Opening /dev/urandom 2001-06-26 01:33:53 - ContextManager: FATAL: error de configuración - java.lang.ClassNotFoundException: org.apache.tomcat.request.JDBCRealm at org.apache.tomcat.util.compat.SimpleClassLoader.loadClass(SimpleClassLoader.java:274) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java) at org.apache.tomcat.util.xml.ObjectCreate.start(XmlMapper.java:687) I don´t know where the JDBCRealm is, but in the tomcat.jar not is. Please help me!!! Agustina