Github user AyolaJayamaha commented on the pull request: https://github.com/apache/phoenix/pull/103#issuecomment-125697098 You can start the web app from the command given below. `java -jar target/phoenix-tracing-webapp-4.4.1-HBase-0.98-SNAPSHOT-runnable.jar` You can change the web app port from `-Dphoenix.traceserver.http.port=8887` A view similar to screenshot will be seen from the Phoenix tracelist. `http://localhost:8864/webapp/#/list` Enable tracing before you attempt above steps. 
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