Lomboz com Tomcat 5! Pense num pepino!

Ai pessoal, problemas aqui com Tomcat 5.0.28 , Lomboz 3.0.1 e jsdk 1.5.0
Não starta o tomcat de jeito nenhum!
Dá o seguinte erro:

Bootstrap: Class loader creation threw exception java.lang.ExceptionInInitializerError at org.apache.catalina.startup.ClassLoaderFactory.<clinit>(ClassLoaderFactory.java:63) at org.apache.catalina.startup.Bootstrap.initClassLoaders(Bootstrap.java:103) at org.apache.catalina.startup.Bootstrap.init(Bootstrap.java:196) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:402) Caused by: org.apache.commons.logging.LogConfigurationException: org.apache.commons.logging.LogConfigurationException: java.lang.NullPointerException (Caused by java.lang.NullPointerException) (Caused by org.apache.commons.logging.LogConfigurationException: java.lang.NullPointerException (Caused by java.lang.NullPointerException)) at org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:543) at org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:235) at org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:209) at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:351) at org.apache.tomcat.util.compat.JdkCompat.<clinit>(JdkCompat.java:55) ... 4 more Caused by: org.apache.commons.logging.LogConfigurationException: java.lang.NullPointerException (Caused by java.lang.NullPointerException) at org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:397) at org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:529) ... 8 more Caused by: java.lang.NullPointerException at org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:374) ... 9 more

Lá em server definitions está tudo ok…todas as variaveis que ele deixa padrão estão ok(Quando colocamos alguma variavel errada ele indica um erro)

Mas na hora de startar…dá isso se alguem souber algo que possa ajudar…
valeu!