hola a todos pues fijense ke ya intente de todo lo que encontre en internet pero me sigue saliendo el siguiente error, tengo el tomcat 4.1.31 y java 1.4, por favor si alguien sabe como puedo resolverlo se los agradecere.
2008-06-10 11:08:44 StandardManager[/sai]: Seeding random number generator class java.security.SecureRandom
2008-06-10 11:08:44 StandardManager[/sai]: Seeding of random number generator has been completed
2008-06-10 11:08:44 StandardWrapper[/sai:default]: Loading container servlet default
2008-06-10 11:08:45 StandardWrapper[/sai:invoker]: Loading container servlet invoker
2008-06-10 11:09:45 StandardWrapperValve[action]: Servlet.service() for servlet action threw exception
javax.servlet.ServletException: Servlet execution threw an exception
at org.apache.catalina.core.ApplicationFilterChain.in ternalDoFilter(ApplicationFilterChain.java:269)
at org.apache.catalina.core.ApplicationFilterChain.do Filter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.StandardWrapperValve.invo ke(StandardWrapperValve.java:260)
at org.apache.catalina.core.StandardPipeline$Standard PipelineValveContext.invokeNext(StandardPipeline.j ava:643)
at org.apache.catalina.core.StandardPipeline.invoke(S tandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(Cont ainerBase.java:995)
at org.apache.catalina.core.StandardContextValve.invo ke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardPipeline$Standard PipelineValveContext.invokeNext(StandardPipeline.j ava:643)
at org.apache.catalina.core.StandardPipeline.invoke(S tandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(Cont ainerBase.java:995)
at org.apache.catalina.core.StandardContext.invoke(St andardContext.java:2415)
at org.apache.catalina.core.StandardHostValve.invoke( StandardHostValve.java:180)
at org.apache.catalina.core.StandardPipeline$Standard PipelineValveContext.invokeNext(StandardPipeline.j ava:643)
at org.apache.catalina.valves.ErrorDispatcherValve.in voke(ErrorDispatcherValve.java:170)
at org.apache.catalina.core.StandardPipeline$Standard PipelineValveContext.invokeNext(StandardPipeline.j ava:641)
at org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:172)
at org.apache.catalina.core.StandardPipeline$Standard PipelineValveContext.invokeNext(StandardPipeline.j ava:641)
at org.apache.catalina.core.StandardPipeline.invoke(S tandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(Cont ainerBase.java:995)
at org.apache.catalina.core.StandardEngineValve.invok e(StandardEngineValve.java:174)
at org.apache.catalina.core.StandardPipeline$Standard PipelineValveContext.invokeNext(StandardPipeline.j ava:643)
at org.apache.catalina.core.StandardPipeline.invoke(S tandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(Cont ainerBase.java:995)
at org.apache.coyote.tomcat4.CoyoteAdapter.service(Co yoteAdapter.java:223)
at org.apache.coyote.http11.Http11Processor.process(H ttp11Processor.java:432)
at org.apache.coyote.http11.Http11Protocol$Http11Conn ectionHandler.processConnection(Http11Protocol.jav a:386)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(P oolTcpEndpoint.java:534)
at org.apache.tomcat.util.threads.ThreadPool$ControlR unnable.run(ThreadPool.java:530)
at java.lang.Thread.run(Thread.java:536)
----- Root Cause -----
java.lang.UnsupportedClassVersionError: gob/daetic/sdi/sai/actions/LoginAction (Unsupported major.minor version 50.0)
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java :502)
at java.security.SecureClassLoader.defineClass(Secure ClassLoader.java:123)
at org.apache.catalina.loader.WebappClassLoader.findC lassInternal(WebappClassLoader.java:1664)
at org.apache.catalina.loader.WebappClassLoader.findC lass(WebappClassLoader.java:953)
at org.apache.catalina.loader.WebappClassLoader.loadC lass(WebappClassLoader.java:1394)
at org.apache.catalina.loader.WebappClassLoader.loadC lass(WebappClassLoader.java:1274)
at org.apache.struts.util.RequestUtils.applicationCla ss(RequestUtils.java:117)
at org.apache.struts.util.RequestUtils.applicationIns tance(RequestUtils.java:143)
at org.apache.struts.action.RequestProcessor.processA ctionCreate(RequestProcessor.java:280)
at org.apache.struts.action.RequestProcessor.process( RequestProcessor.java:218)
at org.apache.struts.action.ActionServlet.process(Act ionServlet.java:1196)
at org.apache.struts.action.ActionServlet.doPost(Acti onServlet.java:432)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:853)
at org.apache.catalina.core.ApplicationFilterChain.in ternalDoFilter(ApplicationFilterChain.java:247)
at org.apache.catalina.core.ApplicationFilterChain.do Filter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.StandardWrapperValve.invo ke(StandardWrapperValve.java:260)
at org.apache.catalina.core.StandardPipeline$Standard PipelineValveContext.invokeNext(StandardPipeline.j ava:643)
at org.apache.catalina.core.StandardPipeline.invoke(S tandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(Cont ainerBase.java:995)
at org.apache.catalina.core.StandardContextValve.invo ke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardPipeline$Standard PipelineValveContext.invokeNext(StandardPipeline.j ava:643)
at org.apache.catalina.core.StandardPipeline.invoke(S tandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(Cont ainerBase.java:995)
at org.apache.catalina.core.StandardContext.invoke(St andardContext.java:2415)
at org.apache.catalina.core.StandardHostValve.invoke( StandardHostValve.java:180)
at org.apache.catalina.core.StandardPipeline$Standard PipelineValveContext.invokeNext(StandardPipeline.j ava:643)
at org.apache.catalina.valves.ErrorDispatcherValve.in voke(ErrorDispatcherValve.java:170)
at org.apache.catalina.core.StandardPipeline$Standard PipelineValveContext.invokeNext(StandardPipeline.j ava:641)
at org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:172)
at org.apache.catalina.core.StandardPipeline$Standard PipelineValveContext.invokeNext(StandardPipeline.j ava:641)
at org.apache.catalina.core.StandardPipeline.invoke(S tandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(Cont ainerBase.java:995)
at org.apache.catalina.core.StandardEngineValve.invok e(StandardEngineValve.java:174)
at org.apache.catalina.core.StandardPipeline$Standard PipelineValveContext.invokeNext(StandardPipeline.j ava:643)
at org.apache.catalina.core.StandardPipeline.invoke(S tandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(Cont ainerBase.java:995)
at org.apache.coyote.tomcat4.CoyoteAdapter.service(Co yoteAdapter.java:223)
at org.apache.coyote.http11.Http11Processor.process(H ttp11Processor.java:432)
at org.apache.coyote.http11.Http11Protocol$Http11Conn ectionHandler.processConnection(Http11Protocol.jav a:386)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(P oolTcpEndpoint.java:534)
at org.apache.tomcat.util.threads.ThreadPool$ControlR unnable.run(ThreadPool.java:530)
at java.lang.Thread.run(Thread.java:536)