spring boot 运行报错

spring boot 运行报错


package com.dgiot.springbootdemo.com.dgiot.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

@Controller
public class TestController {
   @RequestMapping(path = "/test")
   @ResponseBody
   public String test(){
       return "hello world";
   }
}


报错为

"C:\Program Files\Java\jdk1.8.0_161\bin\java.exe" -XX:TieredStopAtLevel=1 -noverify -Dspring.output.ansi.enabled=always -Dcom.sun.management.jmxremote -Dspring.jmx.enabled=true -Dspring.liveBeansView.mbeanDomain -Dspring.application.admin.enabled=true "-javaagent:D:\tools\IntelliJ IDEA 2019.1.3\lib\idea_rt.jar=58145:D:\tools\IntelliJ IDEA 2019.1.3\bin" -Dfile.encoding=UTF-8 -classpath "C:\Program Files\Java\jdk1.8.0_161\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\sunpkcs11.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\zipfs.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\jce.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\jfxswt.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\resources.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\rt.jar;D:\springbootdemo\target\classes;D:\tools\Apache\maven-repository\org\springframework\boot\spring-boot-starter\2.1.5.RELEASE\spring-boot-starter-2.1.5.RELEASE.jar;D:\tools\Apache\maven-repository\org\springframework\boot\spring-boot\2.1.5.RELEASE\spring-boot-2.1.5.RELEASE.jar;D:\tools\Apache\maven-repository\org\springframework\spring-context\5.1.7.RELEASE\spring-context-5.1.7.RELEASE.jar;D:\tools\Apache\maven-repository\org\springframework\spring-aop\5.1.7.RELEASE\spring-aop-5.1.7.RELEASE.jar;D:\tools\Apache\maven-repository\org\springframework\spring-expression\5.1.7.RELEASE\spring-expression-5.1.7.RELEASE.jar;D:\tools\Apache\maven-repository\org\springframework\boot\spring-boot-autoconfigure\2.1.5.RELEASE\spring-boot-autoconfigure-2.1.5.RELEASE.jar;D:\tools\Apache\maven-repository\org\springframework\boot\spring-boot-starter-logging\2.1.5.RELEASE\spring-boot-starter-logging-2.1.5.RELEASE.jar;D:\tools\Apache\maven-repository\ch\qos\logback\logback-classic\1.2.3\logback-classic-1.2.3.jar;D:\tools\Apache\maven-repository\ch\qos\logback\logback-core\1.2.3\logback-core-1.2.3.jar;D:\tools\Apache\maven-repository\org\apache\logging\log4j\log4j-to-slf4j\2.11.2\log4j-to-slf4j-2.11.2.jar;D:\tools\Apache\maven-repository\org\apache\logging\log4j\log4j-api\2.11.2\log4j-api-2.11.2.jar;D:\tools\Apache\maven-repository\org\slf4j\jul-to-slf4j\1.7.26\jul-to-slf4j-1.7.26.jar;D:\tools\Apache\maven-repository\javax\annotation\javax.annotation-api\1.3.2\javax.annotation-api-1.3.2.jar;D:\tools\Apache\maven-repository\org\springframework\spring-core\5.1.7.RELEASE\spring-core-5.1.7.RELEASE.jar;D:\tools\Apache\maven-repository\org\springframework\spring-jcl\5.1.7.RELEASE\spring-jcl-5.1.7.RELEASE.jar;D:\tools\Apache\maven-repository\org\yaml\snakeyaml\1.23\snakeyaml-1.23.jar;D:\tools\Apache\maven-repository\org\slf4j\slf4j-api\1.7.26\slf4j-api-1.7.26.jar;D:\tools\Apache\maven-repository\org\springframework\spring-web\5.0.8.RELEASE\spring-web-5.0.8.RELEASE.jar;D:\tools\Apache\maven-repository\org\springframework\spring-beans\5.1.7.RELEASE\spring-beans-5.1.7.RELEASE.jar" com.dgiot.springbootdemo.SpringbootdemoApplication


  .   ____          _            __ _ _

 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \

( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \

 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )

  '  |____| .__|_| |_|_| |_\__, | / / / /

 =========|_|==============|___/=/_/_/_/

 :: Spring Boot ::        (v2.1.5.RELEASE)


2019-05-31 17:40:51.855  INFO 2076 --- [           main] c.d.s.SpringbootdemoApplication          : Starting SpringbootdemoApplication on DESKTOP-0AGG7BL with PID 2076 (D:\springbootdemo\target\classes started by shang in D:\springbootdemo)

2019-05-31 17:40:51.858  INFO 2076 --- [           main] c.d.s.SpringbootdemoApplication          : No active profile set, falling back to default profiles: default

2019-05-31 17:40:52.296  WARN 2076 --- [           main] s.c.a.AnnotationConfigApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'restTemplateBuilder' defined in class path resource [org/springframework/boot/autoconfigure/web/client/RestTemplateAutoConfiguration.class]: Post-processing of merged bean definition failed; nested exception is java.lang.IllegalStateException: Failed to introspect Class [org.springframework.boot.web.client.RestTemplateBuilder] from ClassLoader [sun.misc.Launcher$AppClassLoader@18b4aac2]

2019-05-31 17:40:52.310  INFO 2076 --- [           main] ConditionEvaluationReportLoggingListener : 


Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.

2019-05-31 17:40:52.323 ERROR 2076 --- [           main] o.s.boot.SpringApplication               : Application run failed


org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'restTemplateBuilder' defined in class path resource [org/springframework/boot/autoconfigure/web/client/RestTemplateAutoConfiguration.class]: Post-processing of merged bean definition failed; nested exception is java.lang.IllegalStateException: Failed to introspect Class [org.springframework.boot.web.client.RestTemplateBuilder] from ClassLoader [sun.misc.Launcher$AppClassLoader@18b4aac2]

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:570) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]

at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]

at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]

at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]

at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]

at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:843) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]

at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:877) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]

at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]

at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE]

at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE]

at org.springframework.boot.SpringApplication.run(SpringApplication.java:316) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE]

at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE]

at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE]

at com.dgiot.springbootdemo.SpringbootdemoApplication.main(SpringbootdemoApplication.java:11) [classes/:na]

Caused by: java.lang.IllegalStateException: Failed to introspect Class [org.springframework.boot.web.client.RestTemplateBuilder] from ClassLoader [sun.misc.Launcher$AppClassLoader@18b4aac2]

at org.springframework.util.ReflectionUtils.getDeclaredFields(ReflectionUtils.java:760) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE]

at org.springframework.util.ReflectionUtils.doWithLocalFields(ReflectionUtils.java:692) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE]

at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.buildResourceMetadata(CommonAnnotationBeanPostProcessor.java:365) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]

at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.findResourceMetadata(CommonAnnotationBeanPostProcessor.java:350) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]

at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessMergedBeanDefinition(CommonAnnotationBeanPostProcessor.java:298) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyMergedBeanDefinitionPostProcessors(AbstractAutowireCapableBeanFactory.java:1077) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:567) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]

... 14 common frames omitted

Caused by: java.lang.NoClassDefFoundError: Lorg/springframework/http/client/support/BasicAuthenticationInterceptor;

at java.lang.Class.getDeclaredFields0(Native Method) ~[na:1.8.0_161]

at java.lang.Class.privateGetDeclaredFields(Class.java:2583) ~[na:1.8.0_161]

at java.lang.Class.getDeclaredFields(Class.java:1916) ~[na:1.8.0_161]

at org.springframework.util.ReflectionUtils.getDeclaredFields(ReflectionUtils.java:755) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE]

... 20 common frames omitted

Caused by: java.lang.ClassNotFoundException: org.springframework.http.client.support.BasicAuthenticationInterceptor

at java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~[na:1.8.0_161]

at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[na:1.8.0_161]

at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:338) ~[na:1.8.0_161]

at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_161]

... 24 common frames omitted



Process finished with exit code 1


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1回答
好帮手慕阿满 2019-05-31 19:06:09

同学你好,从下边的报错看,可能是类加载不到造成的,问一下同学在pom文件中有如下依赖吗?

http://img1.sycdn.imooc.com//climg/5cf10a5f0001bc8407790166.jpg

另外建议同学查看一下External Libraries下是否有如下的依赖,如:

http://img1.sycdn.imooc.com//climg/5cf10a890001d92505590816.jpg

建议同学检查一下。

祝:学习愉快~

  • 提问者 慕娘3447742 #1
    maven导入这个还是 报错。我找到问题的所在了。自动构建的时加载的 <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>5.0.8.RELEASE</version> </dependency> 这个版本跟其他spring版本不一致。我种由于版本问题导致类找不到的错误,怎么重日志里面看出呢。(另外我将springboot的版本改成2.0.5也不会报错)
    2019-05-31 19:18:06
  • 好帮手慕阿满 回复 提问者 慕娘3447742 #2
    同学你好,这个可能就是版本冲突了,spring的版本建议保持一致。同学可以在External Libraries中查看一下版本。祝:学习愉快~
    2019-06-01 14:06:01
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