spring MissingSessionUserException 源码
spring MissingSessionUserException 代码
文件路径：/spring-messaging/src/main/java/org/springframework/messaging/simp/annotation/support/MissingSessionUserException.java
/*
* Copyright 2002-2018 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.messaging.simp.annotation.support;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessagingException;
/**
* {@link MessagingException} thrown when a session is missing.
*
* @author Rossen Stoyanchev
* @since 4.0
*/
@SuppressWarnings("serial")
public class MissingSessionUserException extends MessagingException {
public MissingSessionUserException(Message<?> message) {
super(message, "No \"user\" header in message");
}
}
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