nvm. el-api.jar should not be in lib, after removing them I have to
webapps with jsp plugin working. Can you compare your jars to:
commons-el-1.0.jar
commons-fileupload-1.2.1.jar
commons-io-1.3.2.jar
commons-logging-1.1.1.jar
freemarker-2.3.15.jar
ognl-2.7.3.jar
struts2-core-2.1.9-SNAPSHOT.
I am getting a different error:
javax.servlet.ServletException: java.lang.LinkageError: Class
javax/el/ExpressionFactory violates loader constraints
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:275)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)