I am receiving the following error when trying to run a Struts
application. I checked and it seems that I do have all of the appropriate
jar files installed. But for some reason, the Action class is not being
recognized. Any help would be greatly appreciated. Thank you.
- Asad
HTTP Status 500 -
type Exception report
message
description The server encountered an internal error () that prevented it
from fulfilling this request.
exception
javax.servlet.ServletException: Illegal field name "has inconsistent
hierarchy" in class
registration/RegistrationTypeAction
org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:293)
org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:161)
root cause
java.lang.ClassFormatError: Illegal field name "has inconsistent
hierarchy" in class
registration/RegistrationTypeAction
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)
org.apache.struts.util.RequestUtils.applicationClass(RequestUtils.java:117)
org.apache.struts.util.RequestUtils.applicationInstance(RequestUtils.java:143)
org.apache.struts.action.RequestProcessor.processActionCreate(RequestProcessor.java:280)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:218)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
java.lang.reflect.Method.invoke(Method.java:585)
org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:243)
java.security.AccessController.doPrivileged(Native Method)
javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:275)
org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:161)
note The full stack trace of the root cause is available in the Apache
Tomcat/5.5.9 logs.
Apache Tomcat/5.5.9
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