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Posted to dev@flink.apache.org by "zl (Jira)" <ji...@apache.org> on 2020/04/24 08:01:00 UTC
[jira] [Created] (FLINK-17368) exception message in
PrometheusPushGatewayReporter
zl created FLINK-17368:
--------------------------
Summary: 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
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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