Spring boot 生成类NotFoundException删除WebMVC配置时发生spring引导独立错误 上下文
在主类和datasoruce配置中具有以下注释的简单独立应用程序,返回DelegatingWebMvcConfiguration ClassNotFoundException pom.xml c3po数据源配置 使用此数据源的dao类(此处未提及) 命令在控制台中运行 mvn清洁安装spring启动:运行 错误Spring boot 生成类NotFoundException删除WebMVC配置时发生spring引导独立错误 上下文,spring-boot,Spring Boot,在主类和datasoruce配置中具有以下注释的简单独立应用程序,返回DelegatingWebMvcConfiguration ClassNotFoundException pom.xml c3po数据源配置 使用此数据源的dao类(此处未提及) 命令在控制台中运行 mvn清洁安装spring启动:运行 错误 我曾尝试过网站中提到的其他方法,但都不起作用 我尝试了各种组合,发现我将我的主类保留在加载spring配置的地方,在默认包中,在将其移动到相应的内部包(比如com.example)中之后
我曾尝试过网站中提到的其他方法,但都不起作用 我尝试了各种组合,发现我将我的主类保留在加载spring配置的地方,在默认包中,在将其移动到相应的内部包(比如com.example)中之后,它工作了 我确信这不是正确的推理,但是我假设,通过在基本包中保存,它扫描类路径中的所有类
对此可能有更好的解释。我尝试了各种组合,发现我将我的主类保存在加载spring配置的地方,保存在默认包中,在将其移动到相应的内部包(比如com.example)中后,它起了作用 我确信这不是正确的推理,但是我假设,通过在基本包中保存,它扫描类路径中的所有类 也许有更好的理由来解释这一点
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.3.3.RELEASE</version>
<relativePath /> <!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
<!-- <log4j.version>1.2.17</log4j.version> <slf4j.version>1.7.5</slf4j.version> -->
<!-- commons -->
<commons.lang.version>2.5</commons.lang.version>
<commons.io.version>2.4</commons.io.version>
<c3po.version>0.9.1.2</c3po.version>
<mysql.connector.java>5.1.31</mysql.connector.java>
<!-- <velocity.version>1.7</velocity.version> -->
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jdbc</artifactId>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.commons/commons-lang3 -->
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.4</version>
</dependency>
<!-- https://mvnrepository.com/artifact/com.h2database/h2 -->
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<version>1.4.192</version>
</dependency>
<!-- http://mvnrepository.com/artifact/joda-time/joda-time -->
<dependency>
<groupId>joda-time</groupId>
<artifactId>joda-time</artifactId>
<version>2.8.2</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>${mysql.connector.java}</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.4</version>
</dependency>
<dependency>
<groupId>commons-lang</groupId>
<artifactId>commons-lang</artifactId>
<version>2.6</version>
</dependency>
<dependency>
<groupId>c3p0</groupId>
<artifactId>c3p0</artifactId>
<version>${c3po.version}</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
@EnableAutoConfiguration
@Component
@ComponentScan
@Configuration
public class AppConfig {
@Bean(name = "dataSource")
public ComboPooledDataSource dataSource() {
ComboPooledDataSource dataSource = new ComboPooledDataSource();
dataSource.setMaxPoolSize(maxSize);
....
return dataSource;
}
}
[WARNING]
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at org.springframework.boot.maven.AbstractRunMojo$LaunchRunner.run(AbstractRunMojo.java:478)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NoClassDefFoundError: org/springframework/web/servlet/config/annotation/DelegatingWebMvcConfiguration
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:760)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)
at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at org.springframework.core.type.classreading.AnnotationReadingVisitorUtils.convertClassValues(AnnotationReadingVisitorUtils.java:73)
at org.springframework.core.type.classreading.AnnotationMetadataReadingVisitor.getAnnotationAttributes(AnnotationMetadataReadingVisitor.java:134)
at org.springframework.core.type.classreading.AnnotationMetadataReadingVisitor.getAnnotationAttributes(AnnotationMetadataReadingVisitor.java:49)
at org.springframework.context.annotation.AnnotationConfigUtils.attributesFor(AnnotationConfigUtils.java:280)
at org.springframework.context.annotation.AnnotationBeanNameGenerator.determineBeanNameFromAnnotation(AnnotationBeanNameGenerator.java:90)
at org.springframework.context.annotation.AnnotationBeanNameGenerator.generateBeanName(AnnotationBeanNameGenerator.java:70)
at org.springframework.context.annotation.ClassPathBeanDefinitionScanner.doScan(ClassPathBeanDefinitionScanner.java:252)
at org.springframework.context.annotation.ComponentScanAnnotationParser.parse(ComponentScanAnnotationParser.java:137)
at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:268)
at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:232)
at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:199)
at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:168)
at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:321)
at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:243)
at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:273)
at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:98)
at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:678)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:520)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:766)
at org.springframework.boot.SpringApplication.createAndRefreshContext(SpringApplication.java:361)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:307)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1191)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1180)
at Main.main(Main.java:23)
... 6 more
Caused by: java.lang.ClassNotFoundException: org.springframework.web.servlet.config.annotation.DelegatingWebMvcConfiguration
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 41 more