...
Navigate to the Confluence server installed location at this path
<confluencePath>/atlassian-confluence-7.19.18/confluence/WEB-INF/classes/velocity.properties
Make below changes to the file
velocity.properties
- Go tointrospector.allowlist.classes
- Add this line to the existing values in the new linecom.opensymphony.xwork.util.XWorkList
Sample codereference:
Code Block java.io.ObjectInputValidation,\ com.opensymphony.xwork.util.XWorkList,\ net.sf.hibernate.proxy.HibernateProxy
Stop and start the server.
...