Fix ZombieTServer metrics in for LateLastContactIT failure #4527
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kevinrr888
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May 6, 2024
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Looks good. Verified all DistributionSummary fields are now initialized with the NoOpDistributionSummary obj and verified the tests pass.
server/base/src/main/java/org/apache/accumulo/server/metrics/NoOpDistributionSummary.java
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server/base/src/main/java/org/apache/accumulo/server/metrics/NoOpDistributionSummary.java
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server/base/src/test/java/org/apache/accumulo/server/metrics/ThriftMetricsTest.java
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server/tserver/src/main/java/org/apache/accumulo/tserver/metrics/TabletServerUpdateMetrics.java
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Prevent NPE with DistributionSummary in ThriftMetrics if metrics are not initialized.
The initialization of the metrics the ZombieTServber was already made in main as part of #4500.