Consigo lançar Tomcat autônomo, mas não a paretir do eclipse

Quando inicializo o Tomcat diretamente do startup.sh, funciona. Quando tento lançar de dentro do eclipse, recebo a exceção:

(Eu configurei o jdk extra pra fazer os debugs e apontei o tomcat pra rodar a partir desse jdk extra)

Dec 1, 2003 11:57:56 AM org.apache.coyote.http11.Http11Protocol init
INFO: Initializing Coyote HTTP/1.1 on port 80
Exception during startup processing
java.lang.reflect.InvocationTargetException
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.apache.catalina.startup.Bootstrap.main(Bootstrap.java:203)
Caused by: java.lang.NoClassDefFoundError: javax/management/MBeanRegistration
at java.lang.ClassLoader.findBootstrapClass(Native Method)
at java.lang.ClassLoader.findBootstrapClass0(ClassLoader.java:709)
at java.lang.ClassLoader.loadClass(ClassLoader.java:284)
at java.lang.ClassLoader.loadClass(ClassLoader.java:282)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:274)
at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
at org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoader.java:941)
at org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoader.java:857)
at org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoader.java:941)
at org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoader.java:857)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:537)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:251)
at java.net.URLClassLoader.access$100(URLClassLoader.java:55)
at java.net.URLClassLoader$1.run(URLClassLoader.java:194)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:187)
at org.apache.catalina.loader.StandardClassLoader.findClass(StandardClassLoader.java:621)
at org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoader.java:95<IMG SRC="images/forum/icons/icon_cool.gif">
at org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoader.java:857)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:141)
at org.apache.coyote.tomcat4.CoyoteConnector.initialize(CoyoteConnector.java:1097)
at org.apache.catalina.core.StandardService.initialize(StandardService.java:579)
at org.apache.catalina.core.StandardServer.initialize(StandardServer.java:2246)
at org.apache.catalina.startup.Catalina.start(Catalina.java:511)
at org.apache.catalina.startup.Catalina.execute(Catalina.java:400)
at org.apache.catalina.startup.Catalina.process(Catalina.java:180)
... 5 more


obrigado a todos por qualquer ajuda...