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自定义标签,为何报错如下?

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HTTP Status 500 - Unable to find taglib "xdp" for URI: /gacl

 

type Exception report

message Unable to find taglib "xdp" for URI: /gacl

description The server encountered an internal error that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException: Unable to find taglib "xdp" for URI: /gacl
	org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:55)
	org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:293)
	org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:80)
	org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:176)
	org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:434)
	org.apache.jasper.compiler.Parser.parseDirective(Parser.java:492)
	org.apache.jasper.compiler.Parser.parseElements(Parser.java:1448)
	org.apache.jasper.compiler.Parser.parse(Parser.java:145)
	org.apache.jasper.compiler.ParserController.doParse(ParserController.java:244)
	org.apache.jasper.compiler.ParserController.parse(ParserController.java:105)
	org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:201)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:372)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:349)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:333)
	org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:600)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:368)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:385)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:329)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)

note The full stack trace of the root cause is available in the Apache Tomcat/9.0.0.M9 logs.


Apache Tomcat/9.0.0.M9

conaic的主页 conaic | 菜鸟二级 | 园豆:202
提问于:2016-09-14 18:29
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