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From "Andrey N. Gura (Jira)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-12735) Metric exporter implementation could lead to NullPointerException from gauge which invoke communication
Date Mon, 02 Mar 2020 14:29:00 GMT
Andrey N. Gura created IGNITE-12735:
---------------------------------------

             Summary: Metric exporter implementation could lead to NullPointerException from
gauge which invoke communication
                 Key: IGNITE-12735
                 URL: https://issues.apache.org/jira/browse/IGNITE-12735
             Project: Ignite
          Issue Type: Improvement
            Reporter: Andrey N. Gura


{{ReadMetricsOnNodeStartupTest#testReadMetricsOnNodeStartup}} test fails sometimes. The reason
is try to export gauge metric value while {{TcpCommunicationMetricsListener}} isn't initialized.


**Proposed solution:**

Register metrics after export SPIs are already started.





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