After Zipkin or/and OpenTelemetry was configured, the Application Status is displayed, However, 'Applications' > 'Traces' is not. When displaying the Traces, it shows blank with an error "No Search Results".
Zipkin, OpenTelemetry or any SDKs that instrument applications to send trace data.
Currently DX OpenExplore (DXOE) does not support the ingestion of Trace metrics. This is however on our Product's Roadmap and our Developers are working to include Traces in an upcoming release.
Currently there is no ETA on that release.
Below are a couple of articles to assist you with understanding and preparing for ingesting Trace metrics once this functionality is released.
These and other articles are available on DX OpenExplore TechDocs site.