HBASE-8451 MetricsMBeanBase has concurrency issues in init (Liang Xie)
git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1476713 13f79535-47bb-0310-9956-ffa450edef68
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@ -19,9 +19,9 @@
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package org.apache.hadoop.hbase.metrics;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.concurrent.ConcurrentHashMap;
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import javax.management.AttributeNotFoundException;
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import javax.management.MBeanAttributeInfo;
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@ -58,7 +58,7 @@ public class MetricsMBeanBase extends MetricsDynamicMBeanBase {
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* not understand
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*/
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protected Map<String, MetricsBase> extendedAttributes =
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new HashMap<String,MetricsBase>();
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new ConcurrentHashMap<String, MetricsBase>();
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protected MBeanInfo extendedInfo;
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protected MetricsMBeanBase( MetricsRegistry mr, String description ) {
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