Spec : TOMCAT10 , weld -libraries from jboss

Ref URL :https://stackoverflow.com/questions/70840340/cdi-in-jsp-not-jsf-on-tomcat-10-jakarta-servlet

Hi This URL "stackoverflow.com/questions/15895343/… has CDI from POJO to JSP GET values, So my question why not from JSP to POJO POST Values ...Is this impossible with out servlet ? Note: - This is similar to using JSF where POST/GET of CDI works