org.apache.jasper.JasperException: Unable to read TLD "META-INF/taglib.tld" from JAR file "file:/C:/Tomcat5.0/webapps/exam/WEB-INF/lib/jstl.jar": java.lang.NullPointerException

Coderanch | Vishwajit Mankar | 1 decade ago
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    Error while trying to use standard custom tag from Tomcat5.0

    Coderanch | 1 decade ago | Vishwajit Mankar
    org.apache.jasper.JasperException: Unable to read TLD "META-INF/taglib.tld" from JAR file "file:/C:/Tomcat5.0/webapps/exam/WEB-INF/lib/jstl.jar": java.lang.NullPointerException
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    Error compiling JSP on tomcat8 and java8

    Stack Overflow | 2 years ago | user1247412
    org.apache.jasper.JasperException: Unable to compile class for JSP: An error occurred at line: [768] in the generated java file: [/opt/tomcat/book_store/work/Catalina/localhost/bookStore/org/apache/jsp/WEB_002dINF/jsp/select_005fparameters_jsp.java] bookData cannot be resolved to a variable Stacktrace:
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    JSP compilation on Android (Jetty embedded) - android pressing answers

    pressinganswer.com | 1 year ago
    org.apache.jasper.JasperException: PWC6033: Error in Javac compilation for JSP PWC6199: Generated servlet error: The type java.lang.Object cannot be resolved. It is indirectly referenced from required .class files PWC6199: Generated servlet error: The type java.lang.Throwable cannot be resolved. It is indirectly referenced from required .class files PWC6199: Generated servlet error: The type java.lang.String cannot be resolved. It is indirectly referenced from required .class files PWC6199: Generated servlet error: org.apache.jasper.runtime.HttpJspBase cannot be resolved to a type PWC6199: Generated servlet error: org.apache.jasper.runtime.JspSourceDependent cannot be resolved to a type PWC6199: Generated servlet error: JspFactory cannot be resolved to a type PWC6199: Generated servlet error: JspFactory cannot be resolved PWC6199: Generated servlet error: java.util.List cannot be resolved to a type PWC6199: Generated servlet error: Syntax error, parameterized types are only available if source level is 1.5 or greater PWC6199: Generated servlet error: String cannot be resolved to a type PWC6199: Generated servlet error: org.glassfish.jsp.api.ResourceInjector cannot be resolved to a type PWC6199: Generated servlet error: java.util.List cannot be resolved to a type PWC6199: Generated servlet error: Syntax error, parameterized types are only available if source level is 1.5 or greater PWC6199: Generated servlet error: String cannot be resolved to a type PWC6199: Generated servlet error: _jspx_dependants cannot be resolved to a variable PWC6199: Generated servlet error: HttpServletRequest cannot be resolved to a type PWC6199: Generated servlet error: HttpServletResponse cannot be resolved to a type PWC6199: Generated servlet error: java.io.IOException cannot be resolved to a type PWC6199: Generated servlet error: ServletException cannot be resolved to a type PWC6199: Generated servlet error: PageContext cannot be resolved to a type PWC6199: Generated servlet error: HttpSession cannot be resolved to a type PWC6199: Generated servlet error: ServletContext cannot be resolved to a type PWC6199: Generated servlet error: ServletConfig cannot be resolved to a type PWC6199: Generated servlet error: JspWriter cannot be resolved to a type PWC6199: Generated servlet error: Object cannot be resolved to a type PWC6199: Generated servlet error: JspWriter cannot be resolved to a type PWC6199: Generated servlet error: PageContext cannot be resolved to a type PWC6199: Generated servlet error: _jspxFactory cannot be resolved PWC6199: Generated servlet error: _jspx_resourceInjector cannot be resolved to a variable PWC6199: Generated servlet error: org.glassfish.jsp.api.ResourceInjector cannot be resolved to a type PWC6197: An error occurred at line: 3 in the jsp file: /time.jsp PWC6199: Generated servlet error: java.util.Date cannot be resolved to a type PWC6199: Generated servlet error: Throwable cannot be resolved to a type PWC6199: Generated servlet error: SkipPageException cannot be resolved to a type PWC6199: Generated servlet error: ServletException cannot be resolved to a type PWC6199: Generated servlet error: _jspxFactory cannot be resolved
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    broadleafcommerce.org | 1 year ago
    org.apache.jasper.JasperException: PWC6345: There is an error in invoking javac. A full JDK (not just JRE) is required
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    Can't make my spring boot application work with jsp

    Stack Overflow | 5 months ago | IngeniousTom
    org.apache.jasper.JasperException: java.lang.IllegalStateException: No Java compiler available

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Root Cause Analysis

  1. org.apache.jasper.JasperException

    Unable to read TLD "META-INF/taglib.tld" from JAR file "file:/C:/Tomcat5.0/webapps/exam/WEB-INF/lib/jstl.jar": java.lang.NullPointerException

    at org.apache.jasper.compiler.DefaultErrorHandler.jspError()
  2. GWT dev
    JspServlet.service
    1. org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:50)
    2. org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:411)
    3. org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:183)
    4. org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:181)
    5. org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:418)
    6. org.apache.jasper.compiler.Parser.parseDirective(Parser.java:483)
    7. org.apache.jasper.compiler.Parser.parseElements(Parser.java:1539)
    8. org.apache.jasper.compiler.Parser.parse(Parser.java:126)
    9. org.apache.jasper.compiler.ParserController.doParse(ParserController.java:220)
    10. org.apache.jasper.compiler.ParserController.parse(ParserController.java:101)
    11. org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:203)
    12. org.apache.jasper.compiler.Compiler.compile(Compiler.java:490)
    13. org.apache.jasper.compiler.Compiler.compile(Compiler.java:471)
    14. org.apache.jasper.compiler.Compiler.compile(Compiler.java:459)
    15. org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:511)
    16. org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:295)
    17. org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
    18. org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
    18 frames
  3. JavaServlet
    HttpServlet.service
    1. javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    1 frame