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From "Amelchev Nikita (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-12027) NPE on try to read the MinimumNumberOfPartitionCopies metric.
Date Wed, 31 Jul 2019 15:30:00 GMT
Amelchev Nikita created IGNITE-12027:
----------------------------------------

             Summary: NPE on try to read the MinimumNumberOfPartitionCopies metric.
                 Key: IGNITE-12027
                 URL: https://issues.apache.org/jira/browse/IGNITE-12027
             Project: Ignite
          Issue Type: Bug
            Reporter: Amelchev Nikita
            Assignee: Amelchev Nikita


NPE on try to read the MinimumNumberOfPartitionCopies metric before node starts.

Details:
{noformat}
java.lang.NullPointerException
	at org.apache.ignite.internal.processors.cache.CacheGroupMetricsImpl.numberOfPartitionCopies(CacheGroupMetricsImpl.java:218)
	at org.apache.ignite.internal.processors.cache.CacheGroupMetricsImpl.getMinimumNumberOfPartitionCopies(CacheGroupMetricsImpl.java:232)
	at org.apache.ignite.internal.util.lang.GridFunc.lambda$nonThrowableSupplier$2(GridFunc.java:3302)
	at org.apache.ignite.internal.processors.metric.impl.IntGauge.value(IntGauge.java:45)
	at org.apache.ignite.spi.metric.opencensus.OpenCensusMetricExporterSpi.lambda$null$5(OpenCensusMetricExporterSpi.java:152)
	at java.lang.Iterable.forEach(Iterable.java:75)
	at org.apache.ignite.spi.metric.opencensus.OpenCensusMetricExporterSpi.lambda$export$6(OpenCensusMetricExporterSpi.java:141)
	at java.lang.Iterable.forEach(Iterable.java:75)
	at org.apache.ignite.spi.metric.opencensus.OpenCensusMetricExporterSpi.export(OpenCensusMetricExporterSpi.java:137)
	at org.apache.ignite.internal.processors.metric.PushMetricsExporterAdapter.lambda$spiStart$0(PushMetricsExporterAdapter.java:57)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
{noformat}

Reason: {{GridDhtPartitionFullMap partFullMap = ctx.topology().partitionMap(false);}} is null.



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