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https://issues.apache.org/jira/browse/IGNITE-13770?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17239814#comment-17239814
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Ilya Kasnacheev commented on IGNITE-13770:
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[~agura] please review NPE fix.
> Ignite.dataRegionMetrics throws NPE with empty persisted region
> ---------------------------------------------------------------
>
> Key: IGNITE-13770
> URL: https://issues.apache.org/jira/browse/IGNITE-13770
> Project: Ignite
> Issue Type: Bug
> Components: cache
> Affects Versions: 2.9
> Reporter: Ilya Kasnacheev
> Assignee: Ilya Kasnacheev
> Priority: Major
> Labels: easyfix
> Fix For: 2.9.1
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> {code}
> java.lang.NullPointerException
> at
> org.apache.ignite.internal.processors.cache.persistence.pagemem.PageMemoryImpl.checkpointBufferPagesCount(PageMemoryImpl.java:1823)
> at
> org.apache.ignite.internal.processors.cache.persistence.DataRegionMetricsImpl.getUsedCheckpointBufferPages(DataRegionMetricsImpl.java:287)
> at
> org.apache.ignite.internal.processors.cache.persistence.DataRegionMetricsSnapshot.<init>(DataRegionMetricsSnapshot.java:108)
> at
> org.apache.ignite.internal.processors.cache.persistence.IgniteCacheDatabaseSharedManager.memoryMetrics(IgniteCacheDatabaseSharedManager.java:815)
> at
> org.apache.ignite.internal.IgniteKernal.dataRegionMetrics(IgniteKernal.java:3773)
> {code}
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