The full stack trace of the root cause is available in the Apache Tomcat/6.0

The full stack trace of the root cause is available in the Apache Tomcat/6.0
The server encountered an internal error () that prevented it from fulfilling this request.
java.lang.NullPointerException
\x09cn.ruis.zhxxpt.mqrj.action.RjAction.getList(RjAction.java:101)
\x09sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
\x09sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
\x09sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
\x09java.lang.reflect.Method.invoke(Unknown Source)