@@ -16,14 +16,14 @@
 
 package org.hyperledger.besu.evmtool;
 
+import org.hyperledger.besu.metrics.MetricsSystemFactory;
 import org.hyperledger.besu.metrics.prometheus.MetricsConfiguration;
-import org.hyperledger.besu.metrics.prometheus.PrometheusMetricsSystem;
 import org.hyperledger.besu.plugin.services.MetricsSystem;
 
 public class PrometheusMetricsSystemModule extends MetricsSystemModule {
 
   @Override
   public MetricsSystem getMetricsSystem() {
-    return PrometheusMetricsSystem.init(MetricsConfiguration.builder().build());
+    return MetricsSystemFactory.create(MetricsConfiguration.builder().build());
   }
 }
/*
 * Copyright ConsenSys AG.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 */

package org.hyperledger.besu.evmtool;

import org.hyperledger.besu.metrics.prometheus.MetricsConfiguration;
import org.hyperledger.besu.metrics.prometheus.PrometheusMetricsSystem;
import org.hyperledger.besu.plugin.services.MetricsSystem;

public class PrometheusMetricsSystemModule extends MetricsSystemModule {

  @Override
  public MetricsSystem getMetricsSystem() {
    return PrometheusMetricsSystem.init(MetricsConfiguration.builder().build());
  }
}

If this is a class named `Prometheous*` then a call to `getMetricsSystem` should not be able to return an OTLP metrics system. Perhaps delete this class and move the impl of this method to `MetricsSysteModule`, which currently throws an abstract class error.