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Posted to users@tomcat.apache.org by Aleksandr Bukharovich <bu...@cs.nyu.edu> on 2001/11/21 17:53:52 UTC

Running JSP Examples

Hello,

When I try to run JSP examples I get the following error (see at the end
of the mail). I did start the Tomcat and I access the example via
localhost:8080. The JSP Samples web page says "These examples will only
work when these pages are being served by the ServletRunner". Is
ServletRunner running when I start Tomcat? If not, how do I start the
servlet? Thank you for any insight.

Alexander

Apache Tomcat/4.0.1 - HTTP Status 500 - Internal Server Error

--------------------------------------------------------------------------------

type Exception report

message Internal Server Error

description The server encountered an internal error (Internal Server
Error) that prevented it from fulfilling this request.

exception 

javax.servlet.ServletException: sun/tools/javac/Main (Unsupported
major.minor version 48.0)
	at
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:484)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	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:243)
	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:201)
	at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
	at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
	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:2344)
	at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
	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:462)
	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:163)
	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:1011)
	at
org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1106)
	at java.lang.Thread.run(Unknown Source)


root cause 

java.lang.UnsupportedClassVersionError: sun/tools/javac/Main (Unsupported
major.minor version 48.0)
	at java.lang.ClassLoader.defineClass0(Native Method)
	at java.lang.ClassLoader.defineClass(Unknown Source)
	at java.security.SecureClassLoader.defineClass(Unknown Source)
	at java.net.URLClassLoader.defineClass(Unknown Source)
	at java.net.URLClassLoader.access$100(Unknown Source)
	at java.net.URLClassLoader$1.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(Unknown Source)
	at
org.apache.catalina.loader.StandardClassLoader.findClass(StandardClassLoader.java:671)
	at
org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoader.java:1090)
	at
org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoader.java:989)
	at
org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoader.java:1073)
	at
org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoader.java:989)
	at java.lang.ClassLoader.loadClassInternal(Unknown Source)
	at
org.apache.jasper.compiler.SunJavaCompiler.compile(SunJavaCompiler.java:128)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:271)
	at
org.apache.jasper.servlet.JspServlet.loadJSP(JspServlet.java:546)
	at
org.apache.jasper.servlet.JspServlet$JspServletWrapper.loadIfNecessary(JspServlet.java:177)
	at
org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:189)
	at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:382)
	at
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:474)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	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:243)
	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:201)
	at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
	at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
	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:2344)
	at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
	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:462)
	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:163)
	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:1011)
	at
org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1106)
	at java.lang.Thread.run(Unknown Source)




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