Why am I getting '500 Internal server error' after installing CF 10?

Hello,

I am not able to get to CF admin after installing CF 10. I am getting a '500 internal server error' along with the following message. How do I get around it? Thanks.

Best regards,

Chung Lee

type Exception report

message

descriptionThe server encountered an internal error () that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: java.lang.NullPointerException coldfusion.bootstrap.ClassloaderHelper.initServletClass(ClassloaderHelper.java:129) coldfusion.bootstrap.BootstrapServlet.init(BootstrapServlet.java:59) org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98) org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:928) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:414) org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:203) org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:539) org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:298) java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) java.lang.Thread.run(Thread.java:722) 

root cause

java.lang.NullPointerException coldfusion.CfmServlet.init(CfmServlet.java:82) coldfusion.bootstrap.ClassloaderHelper.initServletClass(ClassloaderHelper.java:121) coldfusion.bootstrap.BootstrapServlet.init(BootstrapServlet.java:59) org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98) org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:928) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:414) org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:203) org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:539) org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:298) java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) java.lang.Thread.run(Thread.java:722) 

noteThe full stack trace of the root cause is available in the Apache Tomcat/7.0.23 logs.