I have some Java classes that accept parameters, perform login then
update MYSQL tables. The code runs fine when executed from IDE
(JBuilder). When I try to run it from a JSP I get the following
message. Can't make heads or tails out of it. Does anyone see the
problem? What does the first line mean?

Thanks

javax.servlet.ServletException: Name index 59136 in LocalVariableTable
has bad constant type in class file
com_xyz_practice/CrunchBracketSchedule

org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:848)

org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:781)

org.apache.jsp.brackets20B.bracket_005fauto_005fsch_005fbrks_jsp._jspService(org.apache.jsp.brackets20B.bracket_005fauto_005fsch_005fbrks_jsp:118)

org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)

org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)

org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

root cause

java.lang.ClassFormatError: Name index 59136 in LocalVariableTable has
bad constant type in class file com_xyz_practice/CrunchBracketSchedule
    java.lang.ClassLoader.defineClass1(Native Method)
    java.lang.ClassLoader.defineClass(ClassLoader.java:620)

java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)

org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1629)

org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:850)

org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1299)

org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1181)
    java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)

com_xyz_practice.ScheduleBrackets.Schedule(ScheduleBrackets.java:59)

org.apache.jsp.brackets20B.bracket_005fauto_005fsch_005fbrks_jsp._jspService(org.apache.jsp.brackets20B.bracket_005fauto_005fsch_005fbrks_jsp:92)

org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)

org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)

org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:802)