org.apache.flink.runtime.akka.StoppingSupervisorWithoutLoggingActorKilledExceptionStrategy Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
package org.apache.flink.runtime.akka;
import akka.actor.ActorKilledException;
import akka.actor.OneForOneStrategy;
import akka.actor.SupervisorStrategy;
import akka.actor.SupervisorStrategyConfigurator;
import akka.japi.pf.PFBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Stopping supervisor strategy which logs {@link ActorKilledException} only on debug log level.
*/
public class StoppingSupervisorWithoutLoggingActorKilledExceptionStrategy implements SupervisorStrategyConfigurator {
private static final Logger LOG = LoggerFactory.getLogger(StoppingSupervisorWithoutLoggingActorKilledExceptionStrategy.class);
@Override
public SupervisorStrategy create() {
return new OneForOneStrategy(
false,
new PFBuilder()
.match(
Exception.class,
(Exception e) -> {
if (e instanceof ActorKilledException) {
LOG.debug("Actor was killed. Stopping it now.", e);
} else {
LOG.error("Actor failed with exception. Stopping it now.", e);
}
return SupervisorStrategy.Stop$.MODULE$;
})
.build());
}
}