Index: src/main/java/org/apache/hadoop/hbase/metrics/MetricsMBeanBase.java =================================================================== --- src/main/java/org/apache/hadoop/hbase/metrics/MetricsMBeanBase.java (revision 1034646) +++ src/main/java/org/apache/hadoop/hbase/metrics/MetricsMBeanBase.java (working copy) @@ -71,7 +71,7 @@ private static MetricsRegistry copyMinusHBaseMetrics(final MetricsRegistry mr) { MetricsRegistry copy = new MetricsRegistry(); for (MetricsBase metric : mr.getMetricsList()) { - if (metric instanceof org.apache.hadoop.hbase.metrics.MetricsRate) { + if (metric instanceof MetricsRate || metric instanceof MetricsString) { continue; } copy.add(metric.getName(), metric);