先粘出我自己的pom代码: <?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

spring boot中连接数据库报错500(mybatis) pom.xml中的依赖 <!-- 集成mybatis--> <dependency> <groupId>org.mybatis.spring.boot</groupId> <artifactId>mybatis-spring-boot-starter</artifactId> <version>2.1.3</version> </depend

spring  boot 启动遇到报错,具体如下 Description: Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured. Reason: Failed to determine a suitable driver class Action: Consider the following: If you want a

*************************** APPLICATION FAILED TO START *************************** Description: Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured. Reason: Failed to determine a suitable

1.Spring boot,Mybatis 启动报错 Failed to auto-configure a DataSource *************************** APPLICATION FAILED TO START *************************** Description: Failed to configure a DataSource: 'url' attribute is not specified and no embedded datas

基本的错误信息如下: 2018-03-05 at 15:12:03 CST ERROR org.apache.juli.logging.DirectJDKLog 181 log - Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is org.springframework.w

报错如下: org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): com.newhope.interview.dao.UserMapper.add at org.apache.ibatis.binding.MapperMethod$SqlCommand.<init>(MapperMethod.java:225) at org.apache.ibatis.binding.MapperMet

Spring Boot整合Mybatis时一直报错 后来发现原来主配置类上的MapperScan导错了包 由于我使用了通用Mapper,所以应该导入通用mapper这个包

前段时间看到群里有吐槽swagger整合问题,当时没仔细看,总以为是姿势不对. 这两天正好自己升级Spring Boot版本,然后突然出现了这样的一个错误: Caused by: java.lang.NullPointerException: Cannot invoke "org.springframework.web.servlet.mvc.condition.PatternsRequestCondition.getPatterns()" because "this.con

升级到最新版本的fastjson以后报的错,查了一下资料,发现 fastjson从1.1.41升级到1.2.28之后,请求报错:json java.lang.IllegalArgumentException: 'Content-Type' cannot contain wildcard type '*' 原因是在1.1.41中,FastJsonHttpMessageConverter初始化时,设置了MediaType. public FastJsonHttpMessageConverter(){

springboot 升级到2.0之后发现配置多数据源的时候报错: "jdbcUrl is required with driverClassName."或者Cause: java.lang.IllegalArgumentException: dataSource or dataSourceClassName or jdbcUrl is required.] with root cause 主要原因是在1.0 配置数据源的过程中主要是写成:spring.datasource.url 和

报错信息如下: {timestamp: "2018-06-14T03:48:23.436+0000", status: 500, error: "Internal Server Error",-} error : "Internal Server Error" message : "Could not open JDBC Connection for transaction; nested exception is java.sql.S

先说背景:公司采用diamond+tddl,这套技术来做web管理.本人处于好奇率先体验了下spring-boot,于是就有了spring-boot+tddl的组合.但是jar包上线后,屡屡发现一条error日志不痛不痒的出现在日志文件中,处于程序员的本能,怎么能允许error日志出现在我的系统中呢! 于是,展开了一段tddl与spring-boot的爱恨之旅... 挣扎期 首先看错误提示: 2017-09-27 11:15:58,428 [main] ERROR com.taobao.tddl

org.springframework.kafka.support.LoggingProducerListener- Exception thrown when sending a message with key='null' and payload='{"dataDts":["20180329","20180328","20180327","20180326","20180323"]

在eclipse中运行没有任何问题,项目挪到idea之后就报错 Unable to start EmbeddedWebApplicationContext due to miss EmbeddedServletcont 原因:pom.xml中存在<scope>provided</scope> 注掉之后完美运行

我遇到的问题是项目中使用java_websocket的WebSocketClient,由于性能要求,需要再Controller直接继承WebSocketClient, 在项目启动过程中调试进入springboot框架,大概意思说onClose被识别为内部方法,造循环依赖等问题,具体没去深究,相关错误关键字如下 Eagerly caching bean to allow for resolving potential circular references Invalid destruction

1. pom文件中的oracle依赖提示Missing artifact,需要手动下载并导入maven参考 oracle依赖下载地址 (ojdbc6.jar) cd到下载的ojdbc6.jar所在路径,执行命令 mvn install:install-file -DgroupId=com.oracle -DartifactId=ojdbc6 -Dversion=11.2.0.1.0 -Dpackaging=jar -Dfile=ojdbc6.jar mac端一样. 命令和执行结果截图:

2018-06-27 14:12:28.804 ERROR 14312 --- [ restartedMain] com.zaxxer.hikari.pool.HikariPool : HikariPool-1 - Exception during pool initialization. com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sen

Caused by: org.springframework.beans.factory.NoUniqueBeanDefinitionException: No qualifying bean of type [so.dian.dev.device.interfaces.IDeviceInfoSV] is defined: expected single matching bean but found 2: deviceInfoSVImpl,IDeviceInfoSV at org.spring

什么是循环依赖 当一个ClassA依赖于ClassB,然后ClassB又反过来依赖ClassA,这就形成了一个循环依赖: ClassA -> ClassB -> ClassA 原创声明 本文发布于掘金号[Happyjava].Happy的掘金地址:https://juejin.im/user/5cc2895df265da03a630ddca,Happy的个人博客:(http://blog.happyjava.cn)[http://blog.happyjava.cn].欢迎转载,但须保留此段声明

最近项目中使用@Async注解在方法上引起了循环依赖报错: org.springframework.beans.factory.BeanCurrentlyInCreationException: Error creating bean with name 'classA': Bean with name 'classA' has been injected into other beans [classB] in its raw version as part of a circular ref