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From "KEITH PEMBERTON" <gat...@charter.net>
Subject Wrapper cannot find servlet class...
Date Fri, 13 Sep 2002 00:35:10 GMT
I have a servlet and three jsp files in a directory under 
/var/tomcat4/webapps/techlabs.  The web.xml file 
identifies the uri to be /AuthenticateServlet for the 
servlet in that directory.  I get the following error 
message when I try to access the servlet from the 
login.jsp file that is also in the techlabs directory. 
 Any help would be very much appreciated!!

javax.servlet.ServletException: Wrapper cannot find 
servlet class AuthenticateServlet or a class it depends on
	at 
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:873)
	at 
org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:655)
	at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
	at 
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
	at 
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
	at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:190)
	at 
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
	at 
org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:246)
	at 
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
	at 
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
	at 
org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2347)
	at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
	at 
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
	at 
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
	at 
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
	at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170)
	at 
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
	at 
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:468)
	at 
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
	at 
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
	at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
	at 
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
	at 
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
	at 
org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java:1027)
	at 
org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1125)
	at java.lang.Thread.run(Thread.java:536)


root cause 

java.lang.ClassNotFoundException: AuthenticateServlet
	at 
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1406)
	at 
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1254)
	at 
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:867)
	at 
org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:655)
	at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
	at 
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
	at 
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
	at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:190)
	at 
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
	at 
org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:246)
	at 
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
	at 
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
	at 
org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2347)
	at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
	at 
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
	at 
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
	at 
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
	at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170)
	at 
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
	at 
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:468)
	at 
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
	at 
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
	at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
	at 
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
	at 
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
	at 
org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java:1027)
	at 
org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1125)
	at java.lang.Thread.run(Thread.java:536)

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