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[jira] [Created] (FLINK-10857) Conflict between JMX and Prometheus Metrics reporter


Truong Duc Kien created FLINK-10857:
---------------------------------------

             Summary: Conflict between JMX and Prometheus Metrics reporter
                 Key: FLINK-10857
                 URL: https://issues.apache.org/jira/browse/FLINK-10857
             Project: Flink
          Issue Type: Bug
          Components: Metrics
    Affects Versions: 1.6.2
            Reporter: Truong Duc Kien


When registering both JMX and Prometheus metrics reporter, the Prometheus reporter will fail with an exception.

 
{code:java}
o.a.f.r.m.MetricRegistryImpl Error while registering metric.
java.lang.IllegalArgumentException: Invalid metric name: flink_jobmanager.Status.JVM.Memory.Mapped_Count
	at org.apache.flink.shaded.io.prometheus.client.Collector.checkMetricName(Collector.java:182)
	at org.apache.flink.shaded.io.prometheus.client.SimpleCollector.<init>(SimpleCollector.java:164)
	at org.apache.flink.shaded.io.prometheus.client.Gauge.<init>(Gauge.java:68)
	at org.apache.flink.shaded.io.prometheus.client.Gauge$Builder.create(Gauge.java:74)
	at org.apache.flink.metrics.prometheus.AbstractPrometheusReporter.createCollector(AbstractPrometheusReporter.java:130)
	at org.apache.flink.metrics.prometheus.AbstractPrometheusReporter.notifyOfAddedMetric(AbstractPrometheusReporter.java:106)
	at org.apache.flink.runtime.metrics.MetricRegistryImpl.register(MetricRegistryImpl.java:329)
	at org.apache.flink.runtime.metrics.groups.AbstractMetricGroup.addMetric(AbstractMetricGroup.java:379)
	at org.apache.flink.runtime.metrics.groups.AbstractMetricGroup.gauge(AbstractMetricGroup.java:323)
	at org.apache.flink.runtime.metrics.util.MetricUtils.instantiateMemoryMetrics(MetricUtils.java:231)
	at org.apache.flink.runtime.metrics.util.MetricUtils.instantiateStatusMetrics(MetricUtils.java:100)
	at org.apache.flink.runtime.metrics.util.MetricUtils.instantiateJobManagerMetricGroup(MetricUtils.java:68)
	at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.startClusterComponents(ClusterEntrypoint.java:342)
	at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.runCluster(ClusterEntrypoint.java:233)
	at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.lambda$startCluster$0(ClusterEntrypoint.java:191)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1869)
	at org.apache.flink.runtime.security.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:41)
	at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.startCluster(ClusterEntrypoint.java:190)
	at org.apache.flink.yarn.entrypoint.YarnJobClusterEntrypoint.main(YarnJobClusterEntrypoint.java:176)
{code}
 

This is a small program to reproduce the problem:

https://github.com/dikei/flink-metrics-conflict-test

 

I



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