I hope this helps . The issue was with Weblogic 12c which adds Guava 17.0 jar internally.So it ignores the Guava jar in the maven pom.xml . To solved this issue add weblogic.xml in the application/war and mention the packages that needs to be excluded.
Exception in thread "main" java.lang.NoSuchMethodError: org.jboss.resteasy.util.CaseInsensitiveMap.add(Ljava/l
By : user3567907
Date : March 29 2020, 07:55 AM
hope this fix your issue I am new to RestEasy web-service .I am getting the proper response from the restEasy Web-Serivce but when I try to write a web-service client ,I am getting above error.Please find the code as below. Please let me know where is the issue. I am using RestEasy 3.0.9 Final. , Try use corresponding version of resteasy-multipart-provider: