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Posted to issues@flink.apache.org by "lining (JIRA)" <ji...@apache.org> on 2019/01/24 07:58:00 UTC
[jira] [Commented] (FLINK-10460) DataDog reporter
JsonMappingException
[ https://issues.apache.org/jira/browse/FLINK-10460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16750837#comment-16750837 ]
lining commented on FLINK-10460:
--------------------------------
[~phoenixjiangnan] see code org.apache.flink.metrics.datadog.DatadogHttpReporter#report, as has exception will remove the key, will cause java.util.ConcurrentModificationException.
> DataDog reporter JsonMappingException
> -------------------------------------
>
> Key: FLINK-10460
> URL: https://issues.apache.org/jira/browse/FLINK-10460
> Project: Flink
> Issue Type: Improvement
> Components: Metrics
> Affects Versions: 1.4.2
> Reporter: Elias Levy
> Priority: Minor
>
> Observed the following error in the TM logs this morning:
> {code:java}
> WARN org.apache.flink.metrics.datadog.DatadogHttpReporter - Failed reporting metrics to Datadog.
> org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.JsonMappingException: (was java.util.ConcurrentModificationException) (through reference chain: org.apache.flink.metrics.datadog.DSeries["series"]->
> java.util.ArrayList[88]->org.apache.flink.metrics.datadog.DGauge["points"])
> at org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.JsonMappingException.wrapWithPath(JsonMappingException.java:379)
> at org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.JsonMappingException.wrapWithPath(JsonMappingException.java:339)
> at org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.ser.std.StdSerializer.wrapAndThrow(StdSerializer.java:342)
> at org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:686)
> at org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:157)
> at org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.ser.impl.IndexedListSerializer.serializeContents(IndexedListSerializer.java:119)
> at org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.ser.impl.IndexedListSerializer.serialize(IndexedListSerializer.java:79)
> at org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.ser.impl.IndexedListSerializer.serialize(IndexedListSerializer.java:18)
> at org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:672)
> at org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:678)
> at org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:157)
> at org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.ser.DefaultSerializerProvider.serializeValue(DefaultSerializerProvider.java:130)
> at org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.ObjectMapper._configAndWriteValue(ObjectMapper.java:3631)
> at org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.ObjectMapper.writeValueAsString(ObjectMapper.java:2998)
> at org.apache.flink.metrics.datadog.DatadogHttpClient.serialize(DatadogHttpClient.java:90)
> at org.apache.flink.metrics.datadog.DatadogHttpClient.send(DatadogHttpClient.java:79)
> at org.apache.flink.metrics.datadog.DatadogHttpReporter.report(DatadogHttpReporter.java:143)
> at org.apache.flink.runtime.metrics.MetricRegistryImpl$ReporterTask.run(MetricRegistryImpl.java:417)
> at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
> at java.util.concurrent.FutureTask.runAndReset(Unknown Source)
> at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(Unknown Source)
> at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
> at java.lang.Thread.run(Unknown Source)
> Caused by: java.util.ConcurrentModificationException
> at java.util.LinkedHashMap$LinkedHashIterator.nextNode(Unknown Source)
> at java.util.LinkedHashMap$LinkedKeyIterator.next(Unknown Source)
> at java.util.AbstractCollection.addAll(Unknown Source)
> at java.util.HashSet.<init>(Unknown Source)
> at org.apache.kafka.common.internals.PartitionStates.partitionSet(PartitionStates.java:65)
> at org.apache.kafka.clients.consumer.internals.SubscriptionState.assignedPartitions(SubscriptionState.java:298)
> at org.apache.kafka.clients.consumer.internals.ConsumerCoordinator$ConsumerCoordinatorMetrics$1.measure(ConsumerCoordinator.java:906)
> 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:35)
> at org.apache.flink.streaming.connectors.kafka.internals.metrics.KafkaMetricWrapper.getValue(KafkaMetricWrapper.java:26)
> at org.apache.flink.metrics.datadog.DGauge.getMetricValue(DGauge.java:42)
> at org.apache.flink.metrics.datadog.DMetric.getPoints(DMetric.java:70)
> at sun.reflect.GeneratedMethodAccessor28.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method.invoke(Unknown Source)
> at org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:633)
> at org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:678)
> ... 21 more
> {code}
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