"Service Environment" applies to services, i.e. roles you run via CM. For clients, use the equivalent "Client Environment" valve. FWIW, the Cloudera Manager introduction page goes over the terminology it uses to classify different layers of configuration: https://www.cloudera.com/documentation/enterprise/latest/topics/cm_intro_primer.html#concept_wfj_tny_jk. In your case, clients would mean gateways. P.s. Typically a bad idea to override system jar versions, as the software's been compiled with the version that was included along. Any incompatible changes to methods or availability of classes within the changed version you're forcing the classloader to pick would cause runtime failures (NoSuchMethodError, NoClassDefFound, ClassNotFoundException, etc.). P.p.s. If overriding some pre-included library is the prime purpose, try to use Maven shading with namespace relocation: https://maven.apache.org/plugins/maven-shade-plugin/examples/class-relocation.html
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