Hi I followed the SlideRealm HowTo(lhttp://nagoya.apache.org/wiki/apachewiki.cgi?SlideRealm) to setup my SlideRealm. The steps are: 1. Uncommented the <security-constraint> in slide web.xml 2. Replace the Realm in Tomcat server.xml with: <Realm className="wrappers.catalina.SlideRealm" name="Slide DAV Server" namespace="slide" /> 3. Copy all of the slide jars from the distribution \jakarta-slide-1.0.16\slide\lib to the $TOMCAT_HOME/common/lib directory 4.Copy slide-catalinawrapper.jar from the distribution \jakarta-slide-1.0.16\server\server\lib to \Apache Group\Tomcat 4.1\server\lib 5.setup my slide.properties in \Apache Group\Tomcat 4.1\conf set org.apache.slide.domain=../webapps/slide/Domain.xml But when I start my tomcat, it throws NoClassDefFoundError. How to solve this problem? Thanks! 2003-11-28 10:42:04 org.apache.commons.modeler.Registry loadRegistry 信息: Loading registry information 2003-11-28 10:42:04 org.apache.commons.modeler.Registry getRegistry 信息: Creating new Registry instance 2003-11-28 10:42:05 org.apache.commons.modeler.Registry getServer 信息: Creating MBeanServer 2003-11-28 10:42:06 org.apache.commons.digester.Digester startElement 严重: Begin event threw error java.lang.NoClassDefFoundError: org/apache/catalina/realm/RealmBase at java.lang.ClassLoader.defineClass0(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:502) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:12 3) at java.net.URLClassLoader.defineClass(URLClassLoader.java:250) at java.net.URLClassLoader.access$100(URLClassLoader.java:54) at java.net.URLClassLoader$1.run(URLClassLoader.java:193) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:186) at org.apache.catalina.loader.StandardClassLoader.findClass(StandardClas sLoader.java:621) at org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClas sLoader.java:958) at org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClas sLoader.java:857) at org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClas sLoader.java:941) at org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClas sLoader.java:857) at org.apache.commons.digester.ObjectCreateRule.begin(ObjectCreateRule.j ava:252) at org.apache.commons.digester.Rule.begin(Rule.java:200) at org.apache.commons.digester.Digester.startElement(Digester.java:1273) at org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown Sour ce) at org.apache.xerces.parsers.AbstractXMLDocumentParser.emptyElement(Unkn own Source) at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElemen t(Unknown Source) at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContent Dispatcher.dispatch(Unknown Source) at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Un known Source) at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source) at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source) at org.apache.xerces.parsers.XMLParser.parse(Unknown Source) at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source) at org.apache.commons.digester.Digester.parse(Digester.java:1548) at org.apache.catalina.startup.Catalina.start(Catalina.java:449) at org.apache.catalina.startup.Catalina.execute(Catalina.java:400) at org.apache.catalina.startup.Catalina.process(Catalina.java:180) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl. java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces sorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:203)
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