Re: Customized Metric Reporter can not be found by Flink
Posted by
Yangze Guo on
URL: http://deprecated-apache-flink-user-mailing-list-archive.369.s1.nabble.com/Customized-Metric-Reporter-can-not-be-found-by-Flink-tp43656p43657.html
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.htmlBest,
Yangze Guo
On Wed, May 12, 2021 at 7:53 AM Fan Xie <
[hidden email]> 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
>