Env: Jre6, Tomcat 6.0.14, Redhat
Pl help: when I invoke a JSP on the server, I get the following exception.
I have a copy if xml-apis.jar in my webapp; I tried moving it to
${CATALINA_BASE}/lib -
that fixed this problem but failed the webapp as it could not parse my tlds.
How do I identify the root cause of this problem?
java.lang.LinkageError: loader constraint violation: when resolving interface
method
"javax.servlet.jsp.JspApplicationContext.getExpressionFactory()Ljavax/el/ExpressionFactory;"
the class loader (instance of org/apache/jasper/servlet/JasperLoader) of the
current class, org/apache/jsp/index_jsp, and the class loader (instance of
org/apache/catalina/loader/StandardClassLoader) for resolved class,
javax/servlet/jsp/JspApplicationContext, have different Class objects for the
type javax/el/ExpressionFactory used in the signature
org.apache.jsp.index_jsp._jspInit(index_jsp.java:894)
org.apache.jasper.runtime.HttpJspBase.init(HttpJspBase.java:52)
org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:159)
Tx,
/U
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