無法為JSP編譯類：無法解析類型java.util.Map $ Entry從所需的.class文件間接引用它
你必須使用支持JDK 8的最新版本的tomcat。
我可以確認apache-tomcat-7.0.35不支持JDK8，也可以確認apache-tomcat-7.0.50不支持JDK8。
解決方法我無法獲取tomcat7來編譯jsps。直到運行示例servlet一切正常，并且服務已啟動并正在運行。我正在運行oracle java 8。
誰能指出我正確的方向？
這是堆棧跟蹤：
type Exception reportmessage Unable to compile class for JSP:description The server encountered an internal error that prevented it from fulfilling this request.exceptionorg.apache.jasper.JasperException: Unable to compile class for JSP: An error occurred at line: 1 in the generated java fileThe type java.util.Map$Entry cannot be resolved. It is indirectly referenced from required .class filesStacktrace: org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:102) org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:331) org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:468) org.apache.jasper.compiler.Compiler.compile(Compiler.java:378) org.apache.jasper.compiler.Compiler.compile(Compiler.java:353) org.apache.jasper.compiler.Compiler.compile(Compiler.java:340) org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:646) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:357) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334) javax.servlet.http.HttpServlet.service(HttpServlet.java:728)note The full stack trace of the root cause is available in the Apache Tomcat/7.0.35 logs.
該代碼看起來像這樣，這是來自tomcat7的示例代碼，所以我想這是正確的。
<%@ taglib prefix="mytag" uri="/WEB-INF/jsp2/jsp2-example-taglib.tld" %><html><head> <title>JSP 2.0 Examples - Hello World SimpleTag Handler</title></head><body><h1>JSP 2.0 Examples - Hello World SimpleTag Handler</h1><hr><p>This tag handler simply echos "Hello,World!" It’s an example ofa very basic SimpleTag handler with no body.</p><br><b><u>Result:</u></b><mytag:helloWorld/></body></html>
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