ClassCastException Jackson upgrading from JBoss EAP 7.0 to higher version
Issue
-
War won't deploy with exception
java.lang.ClassCastException: com.fasterxml.jackson.datatype.jdk8.Jdk8Module cannot be cast to com.fasterxml.jackson.databind.Module at org.springframework.http.converter.json.Jackson2ObjectMapperBuilder.registerWellKnownModulesIfAvailable(Jackson2ObjectMapperBuilder.java:740) at org.springframework.http.converter.json.Jackson2ObjectMapperBuilder.configure(Jackson2ObjectMapperBuilder.java:624) at org.springframework.http.converter.json.Jackson2ObjectMapperBuilder.build(Jackson2ObjectMapperBuilder.java:608) at org.springframework.http.converter.json.MappingJackson2HttpMessageConverter.<init>(MappingJackson2HttpMessageConverter.java:59) at org.springframework.http.converter.support.AllEncompassingFormHttpMessageConverter.<init>(AllEncompassingFormHttpMessageConverter.java:74)
Environment
- Red Hat JBoss Enterprise Application Platform (JBoss EAP) 7.1, 7.2
- Upgrading from version 7.0
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.