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https://issues.apache.org/jira/browse/IGNITE-13100?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexey Goncharuk updated IGNITE-13100:
--------------------------------------
    Labels:   (was: metrics)

> ClassCastException in cache group metrics on client nodes
> ---------------------------------------------------------
>
>                 Key: IGNITE-13100
>                 URL: https://issues.apache.org/jira/browse/IGNITE-13100
>             Project: Ignite
>          Issue Type: Bug
>            Reporter: Alexey Goncharuk
>            Assignee: Alexey Goncharuk
>            Priority: Major
>             Fix For: 2.9
>
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> The following exception can be observed when reading cache group metrics on 
> client nodes with persistence-enabled config:
> {code}
> java.lang.ClassCastException: 
> org.apache.ignite.internal.processors.cache.persistence.IgniteCacheDatabaseSharedManager
>  cannot be cast to 
> org.apache.ignite.internal.processors.cache.persistence.GridCacheDatabaseSharedManager
>       at 
> org.apache.ignite.internal.processors.cache.CacheGroupMetricsImpl.database(CacheGroupMetricsImpl.java:506)
>       at 
> org.apache.ignite.internal.processors.cache.CacheGroupMetricsImpl.lambda$new$0(CacheGroupMetricsImpl.java:103)
>       at 
> org.apache.ignite.internal.util.lang.GridFunc.lambda$nonThrowableSupplier$3(GridFunc.java:3341)
>       at 
> org.apache.ignite.internal.processors.metric.impl.LongGauge.value(LongGauge.java:45)
>       at 
> org.apache.ignite.spi.metric.LongMetric.getAsString(LongMetric.java:29)
> {code}
> The reason is an incomplete check for persistence enabled in 
> {{CacheGroupMetricsImpl}}: we should also check for client nodes.
> Suggested solution: include the check for client node mode for database 
> metrics readings



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