ashwinkolhatkar commented on a change in pull request #15938: URL: https://github.com/apache/flink/pull/15938#discussion_r637591857
########## File path: flink-runtime/src/main/java/org/apache/flink/runtime/util/ClusterUncaughtExceptionHandler.java ########## @@ -0,0 +1,49 @@ +/* + * 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.util; + +import org.apache.flink.configuration.ClusterOptions; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Utility for handling any uncaught exceptions + * + * <p>Handles any uncaught exceptions according to cluster configuration in {@link ClusterOptions} + * to either just log exception, or fail job. + */ +public class ClusterUncaughtExceptionHandler implements Thread.UncaughtExceptionHandler { + private static final Logger LOG = + LoggerFactory.getLogger(ClusterUncaughtExceptionHandler.class); + ClusterOptions.UncaughtExceptionHandleMode handleMode; + + public ClusterUncaughtExceptionHandler(ClusterOptions.UncaughtExceptionHandleMode handleMode) { + this.handleMode = handleMode; + } + + @Override + public void uncaughtException(Thread t, Throwable e) { + if (handleMode == ClusterOptions.UncaughtExceptionHandleMode.LOG) { + LOG.error("WARNING: Thread '{}' produced an uncaught exception.", t.getName(), e); + } else { // by default, fail the job + new FatalExitExceptionHandler().uncaughtException(t, e); Review comment: We could refactor the `FatalExitExceptionHandler` to include the custom logging message as a String parameter.. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
