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https://issues.apache.org/jira/browse/IGNITE-12735?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17050447#comment-17050447
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Ignite TC Bot commented on IGNITE-12735:
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{panel:title=Branch: [pull/7488/head] Base: [master] : Possible Blockers
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{color:#d04437}PDS (Indexing){color} [[tests 0 TIMEOUT , Exit Code
|https://ci.ignite.apache.org/viewLog.html?buildId=5096132]]
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[TeamCity *--> Run :: All*
Results|https://ci.ignite.apache.org/viewLog.html?buildId=5096168&buildTypeId=IgniteTests24Java8_RunAll]
> 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
> Assignee: Andrey N. Gura
> Priority: Major
> Fix For: 2.9
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> {{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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