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该问题已被官方收录

springboot连接 MYSQL数据库出问题

2

1

springboot

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

Spring:
  datebase:
    driver-class-name: com.mysql.jdbc.Driver
    url: jdbc:mysql://localhost:3306/spring-cloud?useUnicode=true&characterEncoding=utf8&characterSetResults=utf8
    username: root
    password: 123456

  jpa:
    hibernate:
      ddl-auto: create  # 第一次简表create  后面用update
    show-sql: true

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重构项目后，web.xml 中的encodingFilter一直报红，一直提示找

0

1

会话管理

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

自定义标签是如何实现时间的转换的

2

1

时间转换(C标签)

class="cursor-pointer"> 详细描述

该问题已被官方收录

idea如何才能不留痕迹彻底删除不需要的项目文件

1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

Redis升级高版本报错解决方法

1

redis

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 源码

java.lang.NoClassDefFoundError: org/apache/commons/pool2/impl/GenericObjectPoolConfig
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2957)
at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1210)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1690)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1571)
at com.huxin.utils.HuDaiApiListener.contextInitialized(HuDaiApiListener.java:33)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4994)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5492)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:649)
at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:1083)
at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1879)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.pool2.impl.GenericObjectPoolConfig
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1720)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1571)
... 21 more

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spring cloud服务启动之后回到命令行会自动挂掉

0

1

springcloud

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 源码

package com.forezp.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.core.userdetails.UserDetailsService;

//启动Security
@EnableWebSecurity
//声明配置文件
@Configuration
/**
 * spring Security默认是禁用注解的，要想开启注解，
 * 需要在继承WebSecurityConfigurerAdapter的类上加@EnableGlobalMethodSecurity注解，
 * 来判断用户对某个控制层的方法是否具有访问权限
 */
@EnableGlobalMethodSecurity(prePostEnabled = true)
public class SecurityConfig extends WebSecurityConfigurerAdapter {

	/**
	 * 自动注入用户信息接口
	 */
	@Autowired
	private UserDetailsService userDetailsService;
	/**
	 * @formatter:off
	 * 设置权限拦截规则
	 * @param http
	 * @throws Exception
	 */
	@Override
	protected void configure(HttpSecurity http) throws Exception {
		http
				//授权请求
				.authorizeRequests()
				//设置路径拦截规则,parmitAll():全部允许
				.antMatchers("/css/**", "/index").permitAll()
				//拥有USER属性才可通过,区分大小写
				.antMatchers("/user/**").hasAnyRole("ADMIN","USER")
				.antMatchers("/blogs/**").hasAnyRole("ADMIN","USER")
				.and()
				//设置默认表单跳转
				.formLogin()
				//设置登录页面
				.loginPage("/login")
				//设置登录失败页面
				.failureUrl("/login-error")
				.and()
				//设置异常处理页面
				.exceptionHandling().accessDeniedPage("/401");

		http
				//设置登出页面
				.logout()
				//设置注销成功页面
				.logoutSuccessUrl("/");
	}

	/**
	 *自动注入认证管理器
	 * 全局配置:通过认证管理生成器注入用户信息
	 */
	@Autowired
	public void configureGlobal(AuthenticationManagerBuilder auth) throws Exception {
		//auth
		//	//在内存验证中设置用户
		//	.inMemoryAuthentication()
		//		//创建一个名字为forezp,密码为123456，角色为USER的用户
		//		.withUser("forezp").password("123456").roles("USER");
		//auth
		//		.inMemoryAuthentication()
		//		.withUser("test").password("123456").roles("ADMIN");
		auth.userDetailsService(userDetailsService);
	}
	// @formatter:on


//	@Bean
//	public UserDetailsService userDetailsService() {
//		InMemoryUserDetailsManager manager = new InMemoryUserDetailsManager(); // 在内存中存放用户信息
//		manager.createUser(User.withUsername("forezp").password("123456").roles("USER").build());
//		manager.createUser(User.withUsername("admin").password("123456").roles("USER","ADMIN").build());
//		return manager;
//	}
}

该问题已被官方收录

问题：Spring-Boot @Service 注解失败

0

1

springboot

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 源码

caused by: org.springframework.beans.factory.BeanCreationException: Could not autowire field: com.testing.data.UserRepository com.testing.service.DataInit.userRepository; nested exception is org.spring
framework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.testing.data.UserRepository] found for dependency: expected at least 1 bean which qualifies as autowire candidate
for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true), @org.springframework.beans.factory.annotation.Qualifier(value=userRepository)}

该问题已被官方收录

mybtis向数据库插入信息时,不能插入中文

0

1

mybatis

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

写好邮件、短信接口后，在原来的基础上新增迁移图片功能报没法加载邮件的映射文件

1

第三方API调用

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

    <!--阿里云邮件属性注入-->
    <bean id="eMailUtil" class="com.utils.EMailUtil" >
        <property name="accessKeyId" value="LTAI2TGWKVTWNgdn"/>
        <property name="accessKeySecret" value="wrYXWEhkr8MjnNZ1E2WJHthZvXRfAY"/>
        <property name="address" value="zxzctask07@test0506.zxzc.top"/>
        <property name="sender" value="zxzc"/>
        <property name="tagName" value="zxzcemail"/>
        <property name="subject" value="邮件验证模板"/>
    </bean>

2018-09-07 09:30:19,123 [WARN] Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'eMailUtil' defined in file [C:\JAVADEMO\task5\target\task0406-1.0-SNAPSHOT\WEB-INF\classes\spring-account.xml]: Instantiation of bean failed; nested exception is java.lang.NoClassDefFoundError: Could not initialize class com.utils.EMailUtil
2018-09-07 09:30:19,123 [DEBUG] Destroying singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@4ed1d7df: defining beans [msmUtil,eMailUtil,AliyunPhoteUploadUtil,upLoadQiniuyun,qiniuyunPhoteUploadUtil,emailUtilsByAliyun,multipartResolver,mvcContentNegotiationManager,org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping,mvcCorsConfigurations,org.springframework.format.support.FormattingConversionServiceFactoryBean#0,org.springframework.validation.beanvalidation.OptionalValidatorFactoryBean#0,org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter,mvcUriComponentsContributor,org.springframework.web.servlet.handler.MappedInterceptor#0,org.springframework.web.servlet.mvc.method.annotation.ExceptionHandlerExceptionResolver#0,org.springframework.web.servlet.mvc.annotation.ResponseStatusExceptionResolver#0,org.springframework.web.servlet.mvc.support.DefaultHandlerExceptionResolver#0,org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping,org.springframework.web.servlet.mvc.HttpRequestHandlerAdapter,org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter,mvcHandlerMappingIntrospector,org.springframework.web.servlet.resource.DefaultServletHttpRequestHandler#0,org.springframework.web.servlet.handler.SimpleUrlHandlerMapping#0,userController,userController_t11,verification,org.springframework.context.annotation.internalConfigurationAnnotationProcessor,org.springframework.context.annotation.internalAutowiredAnnotationProcessor,org.springframework.context.annotation.internalRequiredAnnotationProcessor,org.springframework.context.annotation.internalCommonAnnotationProcessor,org.springframework.context.event.internalEventListenerProcessor,org.springframework.context.event.internalEventListenerFactory,viewResolver,tilesConfigurer,org.springframework.web.servlet.view.InternalResourceViewResolver#0,org.springframework.web.servlet.handler.MappedInterceptor#1,UserServiceImpl,userServiceImpl_t11,org.springframework.context.support.PropertySourcesPlaceholderConfigurer#0,dataSource,sqlSessionFactory,org.mybatis.spring.mapper.MapperScannerConfigurer#0,transactionManager,org.springframework.beans.factory.config.PropertyPlaceholderConfigurer#0,jedisConfig,connectionFactory,redisTemplate,userMapper,userMapper_t11]; root of factory hierarchy
2018-09-07 09:30:19,128 [ERROR] Context initialization failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'eMailUtil' defined in file [C:\JAVADEMO\task5\target\task0406-1.0-SNAPSHOT\WEB-INF\classes\spring-account.xml]: Instantiation of bean failed; nested exception is java.lang.NoClassDefFoundError: Could not initialize class com.utils.EMailUtil
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1155)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1099)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:513)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761)
	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:867)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543)
	at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:668)
	at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:634)
	at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:682)
	at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:553)
	at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:494)
	at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:171)
	at javax.servlet.GenericServlet.init(GenericServlet.java:158)
	at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1144)
	at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1091)
	at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:773)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:133)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NoClassDefFoundError: Could not initialize class com.utils.EMailUtil
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:142)
	at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:89)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1147)
	... 37 more

该问题已被官方收录

项目上传服务器可以正常运行，但是出现了一个很奇怪的bug

2

1

会话管理

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

user  nobody;
worker_processes  1;
#error_log  logs/error.log;
#error_log  logs/error.log  notice;
error_log  logs/error.log  info;
pid        logs/nginx.pid;
events {
   worker_connections  1024;
}
http {
   include       mime.types;
   default_type  application/octet-stream;
   log_format  main '$remote_addr - $remote_user [$time_local] "$request" '
                     '$status $body_bytes_sent "$http_referer" '
                     '"$http_user_agent" "$http_x_forwarded_for"'
  '$connection $upstream_addr'
  ' $upstream_response_time $request_time "$request_time" ';
   access_log  logs/access.log  main;
   sendfile        on;
   #tcp_nopush     on;
   #keepalive_timeout  0;
   keepalive_timeout  65;
   # http_proxy
   proxy_buffer_size 128k;
   proxy_buffers 32 128k;
   proxy_busy_buffers_size 128k;
   gzip  on;
   upstream web{
       server 139.199.13.81:8081;
       server 139.199.13.81:8091;
       hash $request_uri;
   }
   server {
       listen      80;
       server_name  139.199.13.81;
       #charset koi8-r;
       location /static/ {
           root  /usr/local/nginx/Tiles;
       }
       access_log  logs/access.log  main;
       location / {
           root   html;
           index  index.html index.htm;
           proxy_set_header Host $host;
           proxy_set_header X-Real-IP $remote_addr;
           proxy_set_header REMOTE-HOST $remote_addr;
           proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
           proxy_pass http://tomcats;
       }
   }
       #error_page  404              /404.html;
       # redirect server error pages to the static page /50x.html
       #
         error_page   500 502 503 504  /50x.html;
        location = /50x.html {
           root   html;
        }

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