search

ogibayashi / kafka-topic-exporter

Consume Kafka topics and export to Prometheus
Apache License 2.0
42 stars 25 forks source link

Getting java.util.ConcurrentModificationException error #1

Closed pradeepbbl closed 7 years ago

pradeepbbl commented 7 years ago

Hi,

We are continuously ConcurrentModificationException

2017-08-08 13:48:09,610 [qtp87765719-47 - /metrics] (org.eclipse.jetty.servlet.ServletHandler:513) WARN /metrics java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextNode(HashMap.java:1437) at java.util.HashMap$EntryIterator.next(HashMap.java:1471) at java.util.HashMap$EntryIterator.next(HashMap.java:1469) at jp.gr.java_conf.ogibayashi.prometheus.KafkaCollector.collect(KafkaCollector.java:70) at jp.gr.java_conf.ogibayashi.prometheus.KafkaCollector.collect(KafkaCollector.java:61) at io.prometheus.client.CollectorRegistry$MetricFamilySamplesEnumeration.findNextElement(CollectorRegistry.java:72) at io.prometheus.client.CollectorRegistry$MetricFamilySamplesEnumeration.(CollectorRegistry.java:64) at io.prometheus.client.CollectorRegistry.metricFamilySamples(CollectorRegistry.java:55) at io.prometheus.client.exporter.MetricsServlet.doGet(MetricsServlet.java:41) at javax.servlet.http.HttpServlet.service(HttpServlet.java:735)

Thanks,

ogibayashi commented 7 years ago

Thank you for your report! Fixed by #2