spring-data-elasticsearch NoReachableHostException 源码
spring-data-elasticsearch NoReachableHostException 代码
文件路径：/src/main/java/org/springframework/data/elasticsearch/client/NoReachableHostException.java
/*
* Copyright 2018-2022 the original author or authors.
*
* 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
*
* https://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.springframework.data.elasticsearch.client;
import java.util.Set;
/**
* {@link RuntimeException} to be emitted / thrown when the cluster is down (aka none of the known nodes is reachable).
*
* @author Christoph Strobl
* @since 3.2
*/
public class NoReachableHostException extends RuntimeException {
public NoReachableHostException(Set<ElasticsearchHost> hosts) {
super(createMessage(hosts));
}
public NoReachableHostException(Set<ElasticsearchHost> hosts, Throwable cause) {
super(createMessage(hosts), cause);
}
private static String createMessage(Set<ElasticsearchHost> hosts) {
if (hosts.size() == 1) {
return String.format("Host '%s' not reachable. Cluster state is offline.", hosts.iterator().next().getEndpoint());
}
return String.format("No active host found in cluster. (%s) of (%s) nodes offline.", hosts.size(), hosts.size());
}
}
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