Re: out of ideas on an error

[Moin Anjum H.]

Hi, This is the most common error i get. I usually get if i try to compare or concat string variables that are null in value. Please check are your string variable. HTH Best Regards Moin. Kevin Fonner wrote: I am attempting to set up a servlet which acts as and rmi client.  I am getting an error which I don't understand.  Are their additional securitys I have to set or something??Here's the error Internal Servlet Error: java.lang.NullPointerException         at java.lang.ClassLoader.resolveClass0(Native Method)         at java.lang.ClassLoader.resolveClass(ClassLoader.java:588)         at org.apache.tomcat.loader.AdaptiveClassLoader.loadClass(AdaptiveClassLoader.java:518)         at org.apache.tomcat.loader.AdaptiveServletLoader.loadClass(AdaptiveServletLoader.java:174)         at org.apache.tomcat.core.ServletWrapper.loadServlet(ServletWrapper.java:265)         at org.apache.tomcat.core.ServletWrapper.init(ServletWrapper.java:289)         at org.apache.tomcat.core.Handler.service(Handler.java:254)         at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)         at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:797)         at org.apache.tomcat.core.ContextManager.service(ContextManager.java:743)         at org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpConnectionHandler.java:210)         at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)         at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498)         at java.lang.Thread.run(Thread.java:484)