Hi, Fan Flink loaded the custom reporter through the service loader mechanism.[1] Do you add the service file in the "resources/META-INF/services" directory?
[1] https://docs.oracle.com/javase/9/docs/api/java/util/ServiceLoader.html Best, Yangze Guo On Wed, May 12, 2021 at 7:53 AM Fan Xie <f...@linkedin.com> wrote: > > Hi Flink Community, > > Recently I implemented a customized metric reporter (named: > DiagnosticsMessageReporter) to report Flink metrics to a Kafka topic. I built > this reporter into a jar file and copy it to > /opt/flink/plugins/DiagnosticsMessageReporter/DiagnosticsMessageReporter.jar > for both the Job Manager and task manager's containers. But later on I found > the following logs indicated that the metric reporter can not be loaded: > > 2021-05-11 23:08:31,523 WARN org.apache.flink.runtime.metrics.ReporterSetup > [] - The reporter factory > (org.apache.flink.metrics.reporter.DiagnosticsMessageReporterFactory) could > not be found for reporter DiagnosticsMessageReporter. Available factories: > [org.apache.flink.metrics.datadog.DatadogHttpReporterFactory, > org.apache.flink.metrics.slf4j.Slf4jReporterFactory, > org.apache.flink.metrics.prometheus.PrometheusPushGatewayReporterFactory, > org.apache.flink.metrics.graphite.GraphiteReporterFactory, > org.apache.flink.metrics.statsd.StatsDReporterFactory, > org.apache.flink.metrics.prometheus.PrometheusReporterFactory, > org.apache.flink.metrics.jmx.JMXReporterFactory, > org.apache.flink.metrics.influxdb.InfluxdbReporterFactory]. > 2021-05-11 23:21:55,698 INFO > org.apache.flink.runtime.metrics.MetricRegistryImpl [] - No metrics > reporter configured, no metrics will be exposed/reported. > > The Flink configs I used are as following: > > #DiagnosticsMessageReporter configs > metrics.reporters: DiagnosticsMessageReporter > metrics.reporter.DiagnosticsMessageReporter.factory.class: > org.apache.flink.metrics.reporter.DiagnosticsMessageReporterFactory > metrics.reporter.DiagnosticsMessageReporter.bootstrap.servers: kafka:9092 > metrics.reporter.DiagnosticsMessageReporter.topic: flink-metrics > metrics.reporter.DiagnosticsMessageReporter.keyBy: task_attempt_id > metrics.reporter.DiagnosticsMessageReporter.interval: 1 SECONDS > > Does anyone have any idea about what happened here? Am I missing some of the > steps to load the customized reporter as a plugin? Really appreciate if > someone can help to take a look at this! > > Best, > Fan >
