我的一个错误，请给解决!!!

[opet]

Error: 500
Location: /examples/jsp/HelloWorld.jsp
Internal Servlet Error:

org.apache.jasper.compiler.ParseException: E:\tomcat\jakarta-tomcat-3.2.3\webapps\examples\jsp\HelloWorld.jsp(0,0) Page directive: Invalid attribute, contenType
at org.apache.jasper.compiler.JspUtil.checkAttributes(JspUtil.java:243)
at org.apache.jasper.compiler.Parser$Directive.accept(Parser.java:194)
at org.apache.jasper.compiler.Parser.parse(Parser.java:1077)
at org.apache.jasper.compiler.Parser.parse(Parser.java:1042)
at org.apache.jasper.compiler.Parser.parse(Parser.java:1038)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:209)
at org.apache.jasper.servlet.JspServlet.doLoadJSP(JspServlet.java:612)
at org.apache.jasper.servlet.JasperLoader12.loadJSP(JasperLoader12.java:146)
at org.apache.jasper.servlet.JspServlet.loadJSP(JspServlet.java:542)
at org.apache.jasper.servlet.JspServlet$JspServletWrapper.loadIfNecessary(JspServlet.java:258)
at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:268)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:429)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:500)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:405)
at org.apache.tomcat.core.Handler.service(Handler.java:287)
at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:812)
at org.apache.tomcat.core.ContextManager.service(ContextManager.java:758)
at org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpConnectionHandler.java:213)
at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:501)
at java.lang.Thread.run(Thread.java:484)

[opet]

我的一个jsp运行环境不知错在那里，请给回复，谢谢!!

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