org.apache.jasper.JasperException: java.lang.ClassCastException: org.apache.tomcat.SimpleInstanceManager cannot be cast to org.apache.tomcat.InstanceManager

GitHub | xRomZak | 4 months ago
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    JSP error with GWT 2.8 RC2

    GitHub | 4 months ago | xRomZak
    org.apache.jasper.JasperException: java.lang.ClassCastException: org.apache.tomcat.SimpleInstanceManager cannot be cast to org.apache.tomcat.InstanceManager
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    Can't implement simple custom icon google maps example in JSP

    Stack Overflow | 2 years ago
    org.apache.jasper.JasperException: Unable to compile class for JSP
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    GitHub comment 420#195539072

    GitHub | 9 months ago | ghillert
    org.apache.jasper.JasperException: /WEB-INF/jsp/hello-world.jsp(6,64) PWC6132: Unable to read TLD "META-INF/c.tld" from JAR file "jar:file:/Users/hillert/dev/git/spring-boot-jsp-demo/target/jsp-demo-0.0.1-SNAPSHOT.jar!/lib/javax.servlet.jsp.jstl-1.2.2.jar": java.io.IOException: Unable to open root Jar file 'jar:file:/Users/hillert/dev/git/spring-boot-jsp-demo/target/jsp-demo-0.0.1-SNAPSHOT.jar'
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    Error when set to developmentMode in Eclipse | Ignite Realtime

    igniterealtime.org | 3 months ago
    org.apache.jasper.JasperException: Unable to compile class for JSP
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    An exception occurred processing JSP page /WEB-INF/jsp/selectRegion.jsp at line 36

    GitHub | 2 years ago | znurgl
    org.apache.jasper.JasperException: An exception occurred processing JSP page /WEB-INF/jsp/selectRegion.jsp at line 36||33: |34: <td>Region : </td>|35: <td><form:select path="idRegion">|36: <form:options items="${regionList}" itemValue="id" itemLabel="description" />|37: </form:select></td>|38: </tr>|39: <tr>|||Stacktrace:

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Root Cause Analysis

  1. org.apache.jasper.JasperException

    java.lang.ClassCastException: org.apache.tomcat.SimpleInstanceManager cannot be cast to org.apache.tomcat.InstanceManager

    at org.apache.jasper.servlet.JspServletWrapper.handleJspException()
  2. GWT dev
    JspServlet.service
    1. org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:585)
    2. org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:396)
    3. org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:405)
    4. org.apache.jasper.servlet.JspServlet.service(JspServlet.java:349)
    4 frames
  3. Jetty :: Glassfish JSP Implementation
    JettyJspServlet.service
    1. org.eclipse.jetty.jsp.JettyJspServlet.service(JettyJspServlet.java:107)
    1 frame
  4. JavaServlet
    HttpServlet.service
    1. javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    1 frame
  5. Jetty
    ServletHandler$CachedChain.doFilter
    1. org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:812)
    2. org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669)
    2 frames
  6. Guice - Servlet
    FilterChainInvocation.doFilter
    1. com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:66)
    1 frame