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Bruno Cadonna commented on KAFKA-9077: -------------------------------------- I looked into the {{StreamsSimpleBenchmarkTest}} failure. The error message comes from {{kafka.tools.JmxTool}}. {{kafka.tools.JmxTool}} fetches metrics from a given endpoint. You can specify the endpoint when you start a java application with {{-Dcom.sun.management.jmxremote.port=9192}} (turn off authentication and ssl with {{-Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false}}). So, I started locally a Kafka Streams application using the 2.4 library and with a JMX endpoint. Then I started {{kafka.tools.JmxTool}} with the endpoint specified in the Kafka Streams application. {{kafka.tools.JmxTool}} could read the metrics that it could not read in the {{StreamsSimpleBenchmarkTest}}. I do not know why it does not work in {{StreamsSimpleBenchmarkTest}} but at least until now it seems to be an issue in {{StreamsSimpleBenchmarkTest}} or the test environment. > System Test Failure: StreamsSimpleBenchmarkTest > ----------------------------------------------- > > Key: KAFKA-9077 > URL: https://issues.apache.org/jira/browse/KAFKA-9077 > Project: Kafka > Issue Type: Bug > Components: streams, system tests > Affects Versions: 2.4.0 > Reporter: Manikumar > Priority: Blocker > Fix For: 2.4.0 > > > StreamsSimpleBenchmarkTest tests are failing on 2.4 and trunk. > http://confluent-kafka-2-4-system-test-results.s3-us-west-2.amazonaws.com/2019-10-21--001.1571716233--confluentinc--2.4--cb4944f/report.html -- This message was sent by Atlassian Jira (v8.3.4#803005)