WARN org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext - Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'jdbcConverter' defined in class path resource [org/springframework/boot/autoconfigure/data/jdbc/JdbcRepositoriesAutoConfiguration$SpringBootJdbcConfiguration.class]: Unsatisfied dependency expressed through method 'jdbcConverter' parameter 4; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'jdbcDialect' defined in class path resource [org/springframework/boot/autoconfigure/data/jdbc/JdbcRepositoriesAutoConfiguration$SpringBootJdbcConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.data.relational.core.dialect.Dialect]: Factory method 'jdbcDialect' threw exception; nested exception is org.springframework.jdbc.UncategorizedSQLException: ConnectionCallback; uncategorized SQLException; SQL state [null]; error code [0]; Cannot create PoolableConnectionFactory (Communications link failure

时间: 2023-12-06 07:40:23 浏览: 59
这个异常看起来是Spring Boot应用程序初始化时出现了一个依赖注入问题。更具体地说,它似乎是在尝试创建一个名为`jdbcConverter`的bean时遇到了问题。这个bean定义在`org.springframework.boot.autoconfigure.data.jdbc.JdbcRepositoriesAutoConfiguration$SpringBootJdbcConfiguration`类中。 进一步的错误消息表明,在创建`jdbcConverter` bean时出现了一个问题,其中第四个参数存在依赖关系问题。这可能是由于在创建`jdbcDialect` bean时出现了问题导致的,因为它也是在`JdbcRepositoriesAutoConfiguration$SpringBootJdbcConfiguration`类中定义并且在`jdbcConverter` bean中使用。根据错误消息,`jdbcDialect` bean的工厂方法`jdbcDialect`抛出了一个异常。 这个异常的最后一行似乎是指与数据库的通信连接失败。这可能是因为数据库连接配置不正确或数据库不可用导致的。您可以检查数据库连接配置是否正确,并确保数据库正在运行。
相关问题

2023-05-11 23:42:52.951 WARN 13672 --- [ main] s.c.a.AnnotationConfigApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'bootstrapImportSelectorConfiguration': Initialization of bean failed; nested exception is java.lang.NoClassDefFoundError: org/springframework/boot/context/properties/ConfigurationPropertiesBean

这个异常是由于Spring应用程序上下文初始化时遇到了问题。具体来说,这个错误是由于 `bootstrapImportSelectorConfiguration` bean初始化失败导致的。在初始化 `bootstrapImportSelectorConfiguration` bean时,它尝试使用 `ConfigurationPropertiesBean` 类,但是该类无法找到,因此导致了 `NoClassDefFoundError` 异常。 要解决这个问题,你需要检查你的应用程序中是否存在 `ConfigurationPropertiesBean` 类的定义。如果没有,请添加相关的依赖项以确保该类可以找到。如果你已经有了相关的依赖项,请确保它们被正确地加载,并且没有任何版本冲突或其他问题。如果问题仍然存在,请尝试使用最新版本的相关依赖项,并确保它们与你的应用程序兼容。

运行打包的jar时WARN 30704 --- [ main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.bean s.factory.BeanCreationException: Error creating bean with name 'mathController': Lookup method resolution failed; nested exception is java.lang.IllegalStateException: Failed to introspect Class [com.upc.jiye.controller.MathController] from ClassLoader [org.springframework.boot.loader.LaunchedURLClassLoader@6433a2]

这个错误通常表示在初始化应用程序上下文时遇到了问题,导致无法完成刷新尝试。具体地,它指出在创建名为 'mathController' 的 bean 时发生了一个错误,该错误是由于查找方法解析失败导致的。此外,还提到了一个 IllegalStateException 异常,该异常表示无法从给定的 ClassLoader 中内省 Class [com.upc.jiye.controller.MathController]。 这个问题通常是由于以下原因之一引起的: 1. 类路径中缺少必需的依赖项。请确保所有必需的库和依赖项已正确添加到类路径中。 2. 类或方法名称拼写错误。请确保 'mathController' 类和相关方法的名称拼写正确,并与实际代码一致。 3. 类或方法不存在。请确认 'com.upc.jiye.controller.MathController' 类和相关方法存在,并且可以从给定的 ClassLoader 中找到。 您可以尝试以下步骤来解决这个问题: 1. 检查应用程序的依赖项,并确保所有必需的库已正确添加。 2. 仔细检查 'mathController' 类和相关方法的名称拼写,确保它们与实际代码一致。 3. 确认 'com.upc.jiye.controller.MathController' 类和相关方法存在,并检查 ClassLoader 是否可以正确加载它们。 如果问题仍然存在,我建议您检查详细的异常堆栈跟踪以获取更多的信息,并尝试搜索类似问题的解决方案。

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WARN 16068 --- [ main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.bean s.factory.UnsatisfiedDependencyException: Error creating bean with name 'caseController': Unsatisfied dependency expressed through field 'caseService'; nested exception is org.springframework.beans.factory.U nsatisfiedDependencyException: Error creating bean with name 'caseServiceImpl': Unsatisfied dependency expressed through field 'caseMapper'; nested exception is org.springframework.beans.factory.UnsatisfiedD ependencyException: Error creating bean with name 'caseMapper' defined in URL [jar:file:/D:/demo/Jiye/target/Jiye-0.0.1-SNAPSHOT.jar!/BOOT-INF/classes!/com/upc/jiye/dao/CaseMapper.class]: Unsatisfied depende ncy expressed through bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'sqlSessionFactory' defined in cla ss path resource [org/mybatis/spring/boot/autoconfigure/MybatisAutoConfiguration.class]: Unsatisfied dependency expressed through method 'sqlSessionFactory' parameter 0; nested exception is org.springframewo rk.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Generic.class]: Bean ins tantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [javax.sql.DataSource]: Factory method 'dataSource' threw exception; nested exception is java.lang.IllegalStateException: Cannot load driver class: com.mysql.cj.jdbc.Driver

WARN 13352 --- [ main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.bean s.factory.UnsatisfiedDependencyException: Error creating bean with name 'caseController': Unsatisfied dependency expressed through field 'caseService'; nested exception is org.springframework.beans.factory.U nsatisfiedDependencyException: Error creating bean with name 'caseServiceImpl': Unsatisfied dependency expressed through field 'caseMapper'; nested exception is org.springframework.beans.factory.UnsatisfiedD ependencyException: Error creating bean with name 'caseMapper' defined in URL [jar:file:/D:/demo/Jiye/target/Jiye-0.0.1-SNAPSHOT.jar!/BOOT-INF/classes!/com/upc/jiye/dao/CaseMapper.class]: Unsatisfied depende ncy expressed through bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'sqlSessionFactory' defined in cla ss path resource [org/mybatis/spring/boot/autoconfigure/MybatisAutoConfiguration.class]: Unsatisfied dependency expressed through method 'sqlSessionFactory' parameter 0; nested exception is org.springframewo rk.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Generic.class]: Bean ins tantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [javax.sql.DataSource]: Factory method 'dataSource' threw exception; nested exception is java.lang.IllegalStateException: Cannot load driver class: com.mysql.cj.jdbc.Driver

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