Wildfly 9 – How do I exclude Jackson
I just ran into this issue myself. After upgrading a library in my application, I received the following error on a request: Exception handling request to /path: java.lang.NoSuchMethodError: com.fasterxml.jackson.core.JsonParser.hasToken(Lcom/fasterxml/jackson/core/JsonToken;) Here is how I solved it: I obviously had to exclude jackson-core-2.5.1 that wildfly-9 provides. I listed all modules that depend on ‘jackson-core’ with /opt/wildfly/modules# grep … Read more