NoSuchMethodException

[Joe McGranaghan]

I'm developing a web app in JDeveloper. Works fine while using its embedded 
server, however, as soon as I deploy it to tomcat, my servlets throw this:

Root cause:



java.lang.NoSuchMethodError: 
javax.servlet.http.HttpSessionBindingEvent.(Ljavax/servlet/http/HttpSession;Ljava/lang/String;Ljava/lang/Object;)V
	at 
org.apache.catalina.session.StandardSession.setAttribute(StandardSession.java:1259)
	at 
org.apache.catalina.session.StandardSessionFacade.setAttribute(StandardSessionFacade.java:191)
	at 
org.apache.catalina.session.StandardSessionFacade.setAttribute(StandardSessionFacade.java:191)
	at lul.servlets.SearchAttribSetter.doGet(SearchAttribSetter.java:53)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:865)
	at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
	at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
	at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:260)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
	at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
	at 
org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2415)
	at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
	at 
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
	at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
	at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
	at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
	at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:432)
	at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:386)
	at 
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:534)
	at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:530)
	at java.lang.Thread.run(Thread.java:536)

Help would be greatly appreciated

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