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https://issues.apache.org/jira/browse/AMBARI-25549?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Tamas Payer resolved AMBARI-25549.
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Resolution: Fixed
> NegativeArraySizeException thrown when invoking CurrentCollectorHost
> --------------------------------------------------------------------
>
> Key: AMBARI-25549
> URL: https://issues.apache.org/jira/browse/AMBARI-25549
> Project: Ambari
> Issue Type: Bug
> Components: ambari-metrics
> Affects Versions: 2.6.1, 2.7.3, 2.7.4, 2.7.5
> Reporter: Tamas Payer
> Assignee: Tamas Payer
> Priority: Major
> Fix For: 2.7.6
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> SMM is using *AbstractTimelineMetricsSink* class to fetch and push metrics to
> Ambari Metric Collector in multi-threaded manner.
> When all the AMS live nodes are
> down([http://localhost:6188/ws/v1/timeline/metrics/livenodes]), the method
> [getCurrentCollectorHost|https://github.com/apache/ambari-metrics/blob/c7dcf2b25241e2cfe6931d6261a43be97e0deaba/ambari-metrics-common/src/main/java/org/apache/hadoop/metrics2/sink/timeline/AbstractTimelineMetricsSink.java#L273]
> throws _NegativeArraySizeException_.
> {code:java}
> ava.lang.NegativeArraySizeException: null at
> java.util.AbstractCollection.toArray(AbstractCollection.java:136) at
> java.util.ArrayList.<init>(ArrayList.java:178) at
> org.apache.hadoop.metrics2.sink.timeline.AbstractTimelineMetricsSink$1.get(AbstractTimelineMetricsSink.java:460)
> at
> org.apache.hadoop.metrics2.sink.timeline.AbstractTimelineMetricsSink$1.get(AbstractTimelineMetricsSink.java:450)
> at
> org.apache.hadoop.metrics2.sink.relocated.google.common.base.Suppliers$ExpiringMemoizingSupplier.get(Suppliers.java:192)
> at
> org.apache.hadoop.metrics2.sink.timeline.AbstractTimelineMetricsSink.getCurrentCollectorHost(AbstractTimelineMetricsSink.java:264)
> at
> com.hortonworks.smm.kafka.services.metric.ams.AMSMetricsFetcher.getCollectorAPIUri(AMSMetricsFetcher.java:231)
> {code}
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