Context initialization failed org.springframework.beans.factory.BeanCreationException

最新推荐文章于 2023-02-17 00:08:57 发布

转载最新推荐文章于 2023-02-17 00:08:57 发布 · 981 阅读

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原文链接：http://www.cnblogs.com/keenoooo/p/10235593.html

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#开发工具 #java

本文详细解析了在Spring框架中配置WebSocket时遇到的ContextInitializationFailed异常，提供了针对Jetty和Tomcat服务器的具体解决方案，通过添加必要的依赖来解决RequestUpgradeStrategy缺失的问题。

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严重: Context initialization failed 
org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘webSocketHandlerMapping’ defined in class path resource [org/springframework/web/socket/config/annotation/DelegatingWebSocketConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.web.servlet.HandlerMapping]: Factory method ‘webSocketHandlerMapping’ threw exception; nested exception is java.lang.IllegalStateException: No suitable default RequestUpgradeStrategy found 
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:599) 
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1111) 
at … 
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.web.servlet.HandlerMapping]: Factory method ‘webSocketHandlerMapping’ threw exception; nested exception is java.lang.IllegalStateException: No suitable default RequestUpgradeStrategy found 
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:189) 
at … 
Caused by: java.lang.IllegalStateException: No suitable default RequestUpgradeStrategy found 
at org.springframework.web.socket.server.support.DefaultHandshakeHandler.initRequestUpgradeStrategy(DefaultHandshakeHandler.java:127) 
at …

出现上述异常，是由于缺少RequestUpgradeStrategy
对于jetty，需要添加如下依赖

1     <dependency>
2         <groupId>org.eclipse.jetty.websocket</groupId>
3         <artifactId>websocket-server</artifactId>
4         <version>9.3.3.v20150827</version>
5         <scope>provided</scope>
6     </dependency>

对于tomcat，需要添加如下依赖

    <dependency>
        <groupId>org.apache.tomcat.embed</groupId>
        <artifactId>tomcat-embed-websocket</artifactId>
        <version>8.0.23</version>
        <scope>provided</scope>
    </dependency>