Error: Can not find the tag library descriptor for

Error Stack Trace : 

type Exception report

message /hello.jsp (line: 2, column: 41) File "/struts-tags" not found

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

exception

org.apache.jasper.JasperException: /hello.jsp (line: 2, column: 41) File "/struts-tags" not found
	org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:42)
	org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:443)
	org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:133)
	org.apache.jasper.compiler.TagLibraryInfoImpl.(TagLibraryInfoImpl.java:168)
	org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:410)
	org.apache.jasper.compiler.Parser.parseDirective(Parser.java:475)
	org.apache.jasper.compiler.Parser.parseElements(Parser.java:1426)
	org.apache.jasper.compiler.Parser.parse(Parser.java:138)
	org.apache.jasper.compiler.ParserController.doParse(ParserController.java:242)
	org.apache.jasper.compiler.ParserController.parse(ParserController.java:102)
	org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:199)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:374)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:354)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:341)
	org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:657)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:357)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

Can not find the tag library descriptor for "struts-tags" error may be encountered in your struts2 projects due to the following reasons,

1. You have missed out on adding a struts code jar file in your project: struts2-core-2.x.x.x.jar.
2. If you have added it recently, just do a clean and build of your project.
3. If you have Maven dependency added to check the Order & Export

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