zhangjun created FLINK-14077:
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Summary: get java.util.ConcurrentModificationException when push
metrics to PushGateway
Key: FLINK-14077
URL: https://issues.apache.org/jira/browse/FLINK-14077
Project: Flink
Issue Type: Bug
Components: Runtime / Metrics
Affects Versions: 1.9.0
Reporter: zhangjun
When my flink program is running for a while, I get the following error message
{code:java}
2019-09-15 10:11:28,058 WARN
org.apache.flink.metrics.prometheus.PrometheusPushGatewayReporter - Failed to
push metrics to PushGateway with jobName
flinkjob_bb51bc6919b89a3e7d278d6666d0ef1d.java.util.ConcurrentModificationException
at
java.util.LinkedHashMap$LinkedHashIterator.nextNode(LinkedHashMap.java:719)
at java.util.LinkedHashMap$LinkedKeyIterator.next(LinkedHashMap.java:742) at
java.util.AbstractCollection.addAll(AbstractCollection.java:343) at
java.util.HashSet.<init>(HashSet.java:119) at
org.apache.kafka.common.internals.PartitionStates.partitionSet(PartitionStates.java:66)
at
org.apache.kafka.clients.consumer.internals.SubscriptionState.assignedPartitions(SubscriptionState.java:293)
at
org.apache.kafka.clients.consumer.internals.ConsumerCoordinator$ConsumerCoordinatorMetrics$1.measure(ConsumerCoordinator.java:884)
at org.apache.kafka.common.metrics.KafkaMetric.value(KafkaMetric.java:61)
at org.apache.kafka.common.metrics.KafkaMetric.value(KafkaMetric.java:52)
at
org.apache.flink.streaming.connectors.kafka.internals.metrics.KafkaMetricWrapper.getValue(KafkaMetricWrapper.java:37)
at
org.apache.flink.streaming.connectors.kafka.internals.metrics.KafkaMetricWrapper.getValue(KafkaMetricWrapper.java:27)
at
org.apache.flink.metrics.prometheus.AbstractPrometheusReporter$2.get(AbstractPrometheusReporter.java:224)
at
org.apache.flink.shaded.io.prometheus.client.Gauge.collect(Gauge.java:295)
at
org.apache.flink.shaded.io.prometheus.client.CollectorRegistry$MetricFamilySamplesEnumeration.findNextElement(CollectorRegistry.java:183)
at
org.apache.flink.shaded.io.prometheus.client.CollectorRegistry$MetricFamilySamplesEnumeration.nextElement(CollectorRegistry.java:216)
at
org.apache.flink.shaded.io.prometheus.client.CollectorRegistry$MetricFamilySamplesEnumeration.nextElement(CollectorRegistry.java:137)
at
org.apache.flink.shaded.io.prometheus.client.exporter.common.TextFormat.write004(TextFormat.java:22)
at
org.apache.flink.shaded.io.prometheus.client.exporter.PushGateway.doRequest(PushGateway.java:290)
at
org.apache.flink.shaded.io.prometheus.client.exporter.PushGateway.push(PushGateway.java:105)
at
org.apache.flink.metrics.prometheus.PrometheusPushGatewayReporter.report(PrometheusPushGatewayReporter.java:76)
at
org.apache.flink.runtime.metrics.MetricRegistryImpl$ReporterTask.run(MetricRegistryImpl.java:436)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
{code}
my flink job is a stream job, write to hbase from kafka stream,my kafka version
is 0.10,the flink version is 1.9.0 ,the metrics conf is :
{code:java}
metrics.reporters: promgateway
metrics.reporter.promgateway.class:
org.apache.flink.metrics.prometheus.PrometheusPushGatewayReporter
metrics.reporter.promgateway.host: ************
metrics.reporter.promgateway.port: 9091
metrics.reporter.promgateway.jobName: flinkjob_
metrics.reporter.promgateway.randomJobNameSuffix: true
metrics.reporter.promgateway.deleteOnShutdown: true
{code}
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