I attempted to rename the page "Hello", but I am still getting the same error. Here is the stack trace for the error.
16:25:24,670 ERROR [STDERR] com.webobjects.appserver.WOPageNotFoundException: <gov.sns.hello.Application>: Unable to create page 'Hello'.
16:25:24,670 ERROR [STDERR] at com.webobjects.appserver.WOApplication.pageWithName(WOApplication.java:2337)
16:25:24,671 ERROR [STDERR] at gov.sns.hello.Application.pageWithName(Application.java:51)
16:25:24,671 ERROR [STDERR] at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedSession(WOComponentRequestHandler.java:284)
16:25:24,671 ERROR [STDERR] at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedApplication(WOComponentRequestHandler.java:332)
16:25:24,671 ERROR [STDERR] at com.webobjects.appserver._private.WOComponentRequestHandler._handleRequest(WOComponentRequestHandler.java:369)
16:25:24,671 ERROR [STDERR] at com.webobjects.appserver._private.WOComponentRequestHandler.handleRequest(WOComponentRequestHandler.java:442)
16:25:24,672 ERROR [STDERR] at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1678)
16:25:24,672 ERROR [STDERR] at com.webobjects.jspservlet._WOApplicationWrapper.servletDispatchRequest(_WOApplicationWrapper.java:131)
16:25:24,672 ERROR [STDERR] at com.webobjects.jspservlet.WOServletAdaptor._handleRequest(WOServletAdaptor.java:727)
16:25:24,672 ERROR [STDERR] at com.webobjects.jspservlet.WOServletAdaptor.doGet(WOServletAdaptor.java:709)
16:25:24,672 ERROR [STDERR] at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
16:25:24,672 ERROR [STDERR] at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
16:25:24,673 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
16:25:24,673 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
16:25:24,673 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
16:25:24,673 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
16:25:24,674 ERROR [STDERR] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
16:25:24,674 ERROR [STDERR] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
16:25:24,674 ERROR [STDERR] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
16:25:24,674 ERROR [STDERR] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
16:25:24,675 ERROR [STDERR] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
16:25:24,675 ERROR [STDERR] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)
16:25:24,675 ERROR [STDERR] at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
16:25:24,675 ERROR [STDERR] at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
16:25:24,675 ERROR [STDERR] at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
16:25:24,676 ERROR [STDERR] at java.lang.Thread.run(Thread.java:613)
16:25:24,688 INFO [STDOUT] - <com.webobjects.appserver._private.WOComponentRequestHandler>: Exception occurred while handling request: