After upgrade, while create or modifiy Process model and reports are giving error 404. Anyone faced similar issue?
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This sounds like something you should open a support case for immediately with Appian Support.
I had a similar issue in the past, and was related with some plugins that were updated by Appian and were not valid in the new version.
any similar logs seeing on startup logs of tomcat?
2024-08-30 03:48:38 SEVERE [main] org.apache.catalina.core.StandardContext.loadOnStartup Servlet [action] in web application [/suite] threw load() exception java.lang.VerifyError: Inconsistent stackmap frames at branch target 56Exception Details: Location: com/appiancorp/common/struts/DelegateActionServlet.<init>()V @56: putfield Reason: Type 'com/appiancorp/common/struts/AppianWebMvcActionServlet' (current frame, stack[1]) is not assignable to 'javax/servlet/http/HttpServlet' (stack map, stack[1]) Current Frame: bci: @46 flags: { } locals: { 'com/appiancorp/common/struts/DelegateActionServlet'
Errors seen in tomcat log
2024-08-30 03:48:38 SEVERE [main] org.apache.catalina.core.StandardContext.loadOnStartup Servlet [action] in web application [/suite] threw load() exception
java.lang.VerifyError: Inconsistent stackmap frames at branch target 56Exception Details: Location: com/appiancorp/common/struts/DelegateActionServlet.<init>()V @56: putfield Reason: Type 'com/appiancorp/common/struts/AppianWebMvcActionServlet' (current frame, stack[1]) is not assignable to 'javax/servlet/http/HttpServlet' (stack map, stack[1]) Current Frame: bci: @46 flags: { } locals: { 'com/appiancorp/common/struts/DelegateActionServlet'
Which plugins do you have installed? Check if the package of any of them matches the one you see in your logs..
Just download the jar file and extract the files using winrar for example