org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'student' defined in class path resource [bean-dimap.xml]: Failed to convert property value of type 'java.util.LinkedHashMap' to required type 'java.util.Map' for property 'teacherMap'; Cannot convert value of type 'java.lang.String' to required type 'com.atguigu.spring.iocxml.dimap.Student' for property 'teacherMap[22]': no matching editors or conversion strategy found
时间: 2023-11-28 21:36:33 浏览: 92
这个异常通常是因为类型转换错误导致的。在你的配置文件 "bean-dimap.xml" 中,定义了一个名为 "student" 的 bean,其中有一个名为 "teacherMap" 的属性。根据异常信息,该属性的类型应该是 `Map`,但是在配置文件中,它被定义为 `LinkedHashMap` 类型。
另外,异常信息还指出,在属性 "teacherMap" 的键为 22 的位置上,值的类型应该是 `Student`,但是实际上被定义为了 `String` 类型。
要解决这个问题,你可以按照以下步骤进行操作:
1. 确保 "teacherMap" 属性的类型是 `Map`,而不是具体的实现类 `LinkedHashMap`。在配置文件中修改属性的类型为 `java.util.Map`。
2. 确保在 "teacherMap" 中键为 22 的位置上的值是一个 `Student` 对象,而不是一个 `String`。检查配置文件中该位置的值,并确保它引用了一个正确定义的 `Student` bean。
通过这些修改,应该能够解决这个异常。如果还有其他问题,请提供更多的代码和配置信息。
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根据你提供的信息,看起来是一个Spring Boot项目的启动问题。具体来说,`accountController`这个bean初始化失败,因为它依赖于`demandResponseEventPublisher`这个bean,而`demandResponseEventPublisher`又依赖于`jmsTemplate`这个bean。进一步分析,发现`jmsTemplate`依赖于`externalConnectionFactory`这个bean,而`externalConnectionFactory`初始化失败,因为它依赖于`com.rabbitmq.jms.admin.RMQConnectionFactory`这个类,但这个类找不到。这可能是由于缺少相关的依赖或版本不兼容等问题引起的。您可以检查项目的依赖是否正确,以及相关依赖的版本是否与您使用的Spring版本兼容。
Error creating bean with name 'sentinelBeanPostProcessor' defined in class path resource [com/alibaba/cloud/sentinel/custom/SentinelAutoConfiguration.class]: BeanPostProcessor before instantiation of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceAutoConfiguration': BeanPostProcessor before instantiation of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.cache.annotation.ProxyCachingConfiguration': BeanPostProcessor before instantiation of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.cache.jcache.config.ProxyJCacheConfiguration': BeanPostProcessor before instantiation of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration': Initialization of bean failed; nested exception is java.lang.IllegalArgumentException: error at ::0 formal unbound in pointcut
这个错误是由于在创建bean时出现了问题导致的。具体来说,这个错误是由于`SentinelAutoConfiguration`类中的`sentinelBeanPostProcessor` bean的创建失败引起的。创建该bean时,发生了一个`BeanPostProcessor`实例化之前的错误。
进一步查看错误堆栈,发现了更多的错误链。其中一个是`DynamicDataSourceAutoConfiguration` bean的创建失败,另一个是`ProxyCachingConfiguration` bean的创建失败,再有一个是`ProxyJCacheConfiguration` bean的创建失败,最后一个是`ProxyTransactionManagementConfiguration` bean的初始化失败。
最后一个错误是由于在切入点表达式中存在未绑定的形式参数引起的。这可能是由于切入点表达式中使用了一个参数,但没有为其提供具体的绑定值。
要解决这个问题,你可以检查并确保以上提到的每个bean的配置正确,并且没有任何缺失或错误的配置。另外,还需要检查切入点表达式中是否存在任何未绑定的参数,并进行相应的修正。
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