org.apache.flink.runtime.io.network.netty.NettyUtils Maven / Gradle / Ivy
/*
* 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.io.network.netty;
import org.apache.flink.util.Preconditions;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;
/**
* Utils of Netty.
*/
public class NettyUtils {
/**
* IOException with these error message will be treated as network error.
*/
private static final Set NETWORK_ERROR_MESSAGES = new HashSet() {{
add("Connection reset by peer");
add("Broken pipe");
}};
/**
* Check it's network error or not.
*
* @param cause the cause
* @return true if it is caused by network problem, otherwise return false
*/
public static boolean isNetworkError(Throwable cause) {
Preconditions.checkNotNull(cause);
return cause instanceof IOException &&
cause.getMessage() != null &&
NETWORK_ERROR_MESSAGES.contains(cause.getMessage());
}
}