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Posted to issues@flink.apache.org by "Chesnay Schepler (Jira)" <ji...@apache.org> on 2020/04/24 08:04:00 UTC
[jira] [Closed] (FLINK-17368) exception message in
PrometheusPushGatewayReporter
[ https://issues.apache.org/jira/browse/FLINK-17368?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chesnay Schepler closed FLINK-17368.
------------------------------------
Resolution: Duplicate
> exception message in PrometheusPushGatewayReporter
> ---------------------------------------------------
>
> Key: FLINK-17368
> URL: https://issues.apache.org/jira/browse/FLINK-17368
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Metrics
> Affects Versions: 1.10.0
> Reporter: zl
> Priority: Minor
>
> when sending flink metrics to prometheus pushgateway by using org.apache.flink.metrics.prometheus.PrometheusPushGatewayReporter, there are a lof of exception message in taskmanager log. Here is the exception stack:
> {code:java}
> 2020-04-23 18:16:44,927 WARN org.apache.flink.metrics.prometheus.PrometheusPushGatewayReporter - Failed to push metrics to PushGateway with jobName a517f2f8bb79b59abb5e596f34adca27, groupingKey {}.
> java.io.IOException: Response code from http://10.3.71.136:9091/metrics/job/a517f2f8bb79b59abb5e596f34adca27 was 200
> at org.apache.flink.shaded.io.prometheus.client.exporter.PushGateway.doRequest(PushGateway.java:297)
> at org.apache.flink.shaded.io.prometheus.client.exporter.PushGateway.push(PushGateway.java:127)
> at org.apache.flink.metrics.prometheus.PrometheusPushGatewayReporter.report(PrometheusPushGatewayReporter.java:109)
> at org.apache.flink.runtime.metrics.MetricRegistryImpl$ReporterTask.run(MetricRegistryImpl.java:441)
> at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
> at java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
> at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
> at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
> at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
> at java.base/java.lang.Thread.run(Thread.java:834)
> {code}
>
> After investigation, I found that it's io.prometheus:simpleclient_pushgateway:0.3.0 which casues the exception. before io.prometheus:simpleclient_pushgateway:0.8.0, io.prometheus.client.exporter.PushGateway#doRequest use response code 202 to decide whether a metric is successfully sended or not, so response code 200 indicates a failed transmission. In io.prometheus:simpleclient_pushgateway:0.8.0, response code 2xx is used to indicates a successful transmission.
>
> After we change the version of io.prometheus:simpleclient_pushgateway to 0.8.0 in flink-metrics-prometheus module, there have been no more such exception.
>
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