Hi guys. I have migrated an application from struts 2.3 to 2.5.33 I have followed the guide:
https://cwiki.apache.org/confluence/display/WW/Struts+2.3+to+2.5+migration#Struts2.3to2.5migration-Dependencies On tomcat startup, I get errors like: ERROR org.apache.struts2.convention.DefaultClassFinder - Unable to read class [ mi.action.class] java.lang.IncompatibleClassChangeError: class org.apache.struts2.convention.DefaultClassFinder$InfoBuildingVisitor has interface org.objectweb.asm.ClassVisitor as super class java 1.8 tomcat 9.0.76 Linux Red Hat 8 (and Ubuntu 16.04) struts2-core, struts2-json-plugin, struts2-tiles-plugin, struts2-convention-plugin [struts.version - 2.5.33] *asm, asm-commons, asm-tree* I have tried both the version: 7.3.1 and 9.6 with the same error result Has anyone had this error? Any advice to solve this error is welcome. Thank you Angel