以下是我在tomcat服务器上部署时出现的错误。我真的不知道为什么它在IntelliJ上运行良好，没有任何错误。我看到它是"创建名为‘springApplication’的bean时出错"，但我仍然不明白为什么。
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:: Spring Boot :: (v2.0.6.RELEASE)
2018-12-02 18:39:56.348 INFO 11699 --- [ main] com.rdc.business.BusinessApplication : Starting BusinessApplication v0.0.1-SNAPSHOT on chhunly-Inspiron-5559 with PID 11699 (/home/chhunly/eclipse-workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/business/WEB-INF/classes started by chhunly in /home/chhunly/eclipse/jee-2018-09/eclipse)
2018-12-02 18:39:56.353 INFO 11699 --- [ main] com.rdc.business.BusinessApplication : No active profile set, falling back to default profiles: default
2018-12-02 18:39:56.392 INFO 11699 --- [ main] ConfigServletWebServerApplicationContext : Refreshing org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext@7b21cec3: startup date [Sun Dec 02 18:39:56 ICT 2018]; root of context hierarchy
2018-12-02 18:39:56.681 INFO 11699 --- [ main] o.a.c.c.C.[.[localhost].[/business] : Initializing Spring embedded WebApplicationContext
2018-12-02 18:39:56.682 INFO 11699 --- [ main] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 290 ms
2018-12-02 18:39:56.775 INFO 11699 --- [ main] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'errorPageFilter' to: [/*]
2018-12-02 18:39:56.787 WARN 11699 --- [ main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'springApplication': Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.boot.SpringApplication]: No default constructor found; nested exception is java.lang.NoSuchMethodException: org.springframework.boot.SpringApplication.<init>()
2018-12-02 18:39:56.802 ERROR 11699 --- [ main] o.s.boot.SpringApplication : Application run failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'springApplication': Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.boot.SpringApplication]: No default constructor found; nested exception is java.lang.NoSuchMethodException: org.springframework.boot.SpringApplication.<init>()
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1228) ~[spring-beans-5.0.10.RELEASE.jar:5.0.10.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1127) ~[spring-beans-5.0.10.RELEASE.jar:5.0.10.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:535) ~[spring-beans-5.0.10.RELEASE.jar:5.0.10.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:495) ~[spring-beans-5.0.10.RELEASE.jar:5.0.10.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:317) ~[spring-beans-5.0.10.RELEASE.jar:5.0.10.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.0.10.RELEASE.jar:5.0.10.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:315) ~[spring-beans-5.0.10.RELEASE.jar:5.0.10.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.0.10.RELEASE.jar:5.0.10.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:759) ~[spring-beans-5.0.10.RELEASE.jar:5.0.10.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:867) ~[spring-context-5.0.10.RELEASE.jar:5.0.10.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:548) ~[spring-context-5.0.10.RELEASE.jar:5.0.10.RELEASE]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:140) ~[spring-boot-2.0.6.RELEASE.jar:2.0.6.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:754) ~[spring-boot-2.0.6.RELEASE.jar:2.0.6.RELEASE]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:386) ~[spring-boot-2.0.6.RELEASE.jar:2.0.6.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:307) ~[spring-boot-2.0.6.RELEASE.jar:2.0.6.RELEASE]
at org.springframework.boot.web.servlet.support.SpringBootServletInitializer.run(SpringBootServletInitializer.java:157) [spring-boot-2.0.6.RELEASE.jar:2.0.6.RELEASE]
at org.springframework.boot.web.servlet.support.SpringBootServletInitializer.createRootApplicationContext(SpringBootServletInitializer.java:137) [spring-boot-2.0.6.RELEASE.jar:2.0.6.RELEASE]
at org.springframework.boot.web.servlet.support.SpringBootServletInitializer.onStartup(SpringBootServletInitializer.java:91) [spring-boot-2.0.6.RELEASE.jar:2.0.6.RELEASE]
at org.springframework.web.SpringServletContainerInitializer.onStartup(SpringServletContainerInitializer.java:172) [spring-web-5.0.10.RELEASE.jar:5.0.10.RELEASE]
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5098) [catalina.jar:9.0.12]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [catalina.jar:9.0.12]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1429) [catalina.jar:9.0.12]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1419) [catalina.jar:9.0.12]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_181]
at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) [tomcat-util.jar:9.0.12]
at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134) [na:1.8.0_181]
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:944) [catalina.jar:9.0.12]
at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:839) [catalina.jar:9.0.12]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [catalina.jar:9.0.12]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1429) [catalina.jar:9.0.12]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1419) [catalina.jar:9.0.12]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_181]
at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) [tomcat-util.jar:9.0.12]
at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134) [na:1.8.0_181]
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:944) [catalina.jar:9.0.12]
at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:261) [catalina.jar:9.0.12]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [catalina.jar:9.0.12]
at org.apache.catalina.core.StandardService.startInternal(StandardService.java:422) [catalina.jar:9.0.12]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [catalina.jar:9.0.12]
at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:770) [catalina.jar:9.0.12]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [catalina.jar:9.0.12]
at org.apache.catalina.startup.Catalina.start(Catalina.java:682) [catalina.jar:9.0.12]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_181]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_181]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_181]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_181]
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:350) [bootstrap.jar:9.0.12]
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:492) [bootstrap.jar:9.0.12]
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.boot.SpringApplication]: No default constructor found; nested exception is java.lang.NoSuchMethodException: org.springframework.boot.SpringApplication.<init>()
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:83) ~[spring-beans-5.0.10.RELEASE.jar:5.0.10.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1220) ~[spring-beans-5.0.10.RELEASE.jar:5.0.10.RELEASE]
... 47 common frames omitted
Caused by: java.lang.NoSuchMethodException: org.springframework.boot.SpringApplication.<init>()
at java.lang.Class.getConstructor0(Class.java:3082) ~[na:1.8.0_181]
at java.lang.Class.getDeclaredConstructor(Class.java:2178) ~[na:1.8.0_181]
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:78) ~[spring-beans-5.0.10.RELEASE.jar:5.0.10.RELEASE]
... 48 common frames omitted
这些是我在该项目中使用的依赖项。我真的不知道为什么会出现错误。
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.rdc</groupId>
<artifactId>business</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<name>business</name>
<description>RDCMS Project</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.0.6.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>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<scope>provided</scope>
</dependency>
<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-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-config</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.security.oauth.boot</groupId>
<artifactId>spring-security-oauth2-autoconfigure</artifactId>
<version>2.0.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-rest-core</artifactId>
<version>3.0.8.RELEASE</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
</dependency>
<dependency>
<groupId>com.amazonaws</groupId>
<artifactId>aws-java-sdk</artifactId>
<version>1.11.163</version>
</dependency>
<!-- https://mvnrepository.com/artifact/com.google.guava/guava -->
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
任何人请帮我解决这个麻烦
这是我的应用
package com.rdc.business;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
import org.springframework.context.annotation.Bean;
import org.springframework.core.Ordered;
import org.springframework.security.oauth2.config.annotation.web.configuration.EnableResourceServer;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;
import java.util.Collections;
@EnableResourceServer
@SpringBootApplication
public class BusinessApplication extends SpringBootServletInitializer {
@Override
protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
return application.sources(SpringApplication.class);
}
public static void main(String[] args) {
SpringApplication.run(BusinessApplication.class, args);
}
@Bean
public FilterRegistrationBean simpleCorsFilter() {
UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
CorsConfiguration config = new CorsConfiguration();
config.setAllowCredentials(true);
config.setAllowedOrigins(Collections.singletonList("*"));
config.setAllowedMethods(Collections.singletonList("*"));
config.setAllowedHeaders(Collections.singletonList("*"));
source.registerCorsConfiguration("/**", config);
FilterRegistrationBean bean = new FilterRegistrationBean(new CorsFilter(source));
bean.setOrder(Ordered.HIGHEST_PRECEDENCE);
return bean;
}
}
public class ServletInitializer extends SpringBootServletInitializer {
@Override
protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
return application.sources(BusinessApplication.class);
}
}
使用tomcat 8.5.35服务器和SpringBoot清理项目。
我已经用你的项目结构调整了"干净项目"，并看到了tomcat服务器中出现的问题。
然后，我对BusinessApplication(删除了类的"configure"方法(和pom.xml.进行了一些修改
业务应用程序：
package com.rdc.business;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
import org.springframework.context.annotation.Bean;
import org.springframework.core.Ordered;
import org.springframework.security.oauth2.config.annotation.web.configuration.EnableResourceServer;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;
import java.util.Collections;
@EnableResourceServer
@SpringBootApplication
public class BusinessApplication extends SpringBootServletInitializer {
public static void main(String[] args) {
SpringApplication.run(BusinessApplication.class, args);
}
@Bean
public FilterRegistrationBean simpleCorsFilter() {
UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
CorsConfiguration config = new CorsConfiguration();
config.setAllowCredentials(true);
config.setAllowedOrigins(Collections.singletonList("*"));
config.setAllowedMethods(Collections.singletonList("*"));
config.setAllowedHeaders(Collections.singletonList("*"));
source.registerCorsConfiguration("/**", config);
FilterRegistrationBean bean = new FilterRegistrationBean(new CorsFilter(source));
bean.setOrder(Ordered.HIGHEST_PRECEDENCE);
return bean;
}
}
参见使用tomcat 8.5.35运行的示例：
https://github.com/thiagochagas/example-tomcat