if someone is looking for the same error and they don't have the field that's shown in the error in thier JSP just delete your server cache.... follow below for other server's search on web :p
Instructions
JBoss
Clear the JBoss cache with the following steps:
Shut down JBoss if you have not already.
Delete the following folders:
<JBOSS_HOME>/standalone/data
<JBOSS_HOME>/standalone/tmp
Restart JBoss.
Tomcat
Shut down Tomcat if you have not already.
Delete the content in the <APPIAN_HOME>\tomcat\apache-tomcat\work\Catalina\localhost\ directory.
Restart Tomcat.