Weblogic attempting to cast incompatible JAX-RS Versions

weblogic

Error in configuring weblogic 12c and jaxrs 2.0: Caused by: java.lang.LinkageError: ClassCastException: attempting to castjar:file:<middleware_home>/oracle_common/modules/jersey-core-1.18.jar!/javax/ws/rs/ext/RuntimeDelegate.class to zip:<domain_home>/servers/ReportServer/tmp/_WL_user/jax-rs/prnh4c/WEB-INF/lib/javax.ws.rs-api-2.0.jar!/javax/ws/rs/ext/RuntimeDelegate.class

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