Hi,
I am trying to access a
servlet from a html page.
I am making project using Eclipse/MyEclipse
1)Project name is userregistration.
2)Servlet name is displayname which is in a package userpackage under src folder.
3)HTML file name is welcome which is accessing a servlet when submit button is clicked. The command for accessing servlet is :
FORM ACTION = �/servlet/userservlets.displayname� method = post
The problem is when I press save buttom in html form ,it gives message �Object not found� in browser.
The log for the localhost in
Tomcat server says :
Dec 28, 2005 7:03:23 AM org.apache.catalina.core.ApplicationContext log
INFO: Marking servlet org.apache.catalina.INVOKER.userservlets.displayname as unavailable
Dec 28, 2005 7:03:23 AM org.apache.catalina.core.ApplicationContext log
SEVERE: Error loading WebappClassLoader
delegate: false
repositories:
/WEB-INF/classes/
----------> Parent Classloader:
org.apache.catalina.loader.StandardClassLoader@349471
userservlets.displayname
java.lang.ClassNotFoundException: userservlets.displayname
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1332)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1181)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1027)
at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:750)
at org.apache.catalina.servlets.InvokerServlet.serveRequest(InvokerServlet.java:369)
at org.apache.catalina.servlets.InvokerServlet.doPost(InvokerServlet.java:169)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:536)
Dec 28, 2005 7:03:23 AM org.apache.catalina.core.ApplicationContext log
SEVERE: invoker: Cannot allocate servlet instance for path /servlet/userservlets.displayname
javax.servlet.ServletException: Wrapper cannot find servlet class userservlets.displayname or a class it depends on
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1035)
at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:750)
at org.apache.catalina.servlets.InvokerServlet.serveRequest(InvokerServlet.java:369)
at org.apache.catalina.servlets.InvokerServlet.doPost(InvokerServlet.java:169)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:536)
Dec 28, 2005 7:03:33 AM org.apache.catalina.core.ApplicationContext log
INFO: ContextListener: attributeReplaced('org.apache.catalina.WELCOME_FILES', '[Ljava.lang.String;@a0864f')
Dec 28, 2005 7:03:33 AM org.apache.catalina.core.ApplicationContext log
INFO: ContextListener: attributeReplaced('org.apache.catalina.WELCOME_FILES', '[Ljava.lang.String;@d1e233')
Dec 28, 2005 7:03:33 AM org.apache.catalina.core.ApplicationContext log
INFO: ContextListener: attributeReplaced('org.apache.catalina.WELCOME_FILES', '[Ljava.lang.String;@15983b7')
Dec 28, 2005 7:03:33 AM org.apache.catalina.core.ApplicationContext log
INFO: SessionListener: contextDestroyed()
Dec 28, 2005 7:03:33 AM org.apache.catalina.core.ApplicationContext log
INFO: ContextListener: contextDestroyed()
Dec 28, 2005 7:03:33 AM org.apache.catalina.core.ApplicationContext log
INFO: ContextListener: attributeReplaced('org.apache.catalina.WELCOME_FILES', '[Ljava.lang.String;@7976c1')
Dec 28, 2005 7:03:33 AM org.apache.catalina.core.ApplicationContext log
INFO: ContextListener: attributeReplaced('org.apache.catalina.WELCOME_FILES', '[Ljava.lang.String;@6397eb')
Dec 28, 2005 7:03:33 AM org.apache.catalina.core.ApplicationContext log
INFO: ContextListener: attributeReplaced('org.apache.catalina.WELCOME_FILES', '[Ljava.lang.String;@8aeb74')
Dec 28, 2005 7:03:33 AM org.apache.catalina.core.ApplicationContext log
INFO: SessionListener: contextDestroyed()
Dec 28, 2005 7:03:33 AM org.apache.catalina.core.ApplicationContext log
INFO: ContextListener: contextDestroyed()