org.springframework.kafka.support.LoggingProducerListener- Exception thrown when sending a message with key='null' and payload='{"dataDts":["20180329","20180328","20180327","20180326","20180323"]…
在springcloud集成kafka,发送消息时报错: 2018-08-15 16:01:34.159 [http-nio-8081-exec-1] INFO  org.apache.kafka.common.utils.AppInfoParser - Kafka version : 0.10.1.1 2018-08-15 16:01:34.159 [http-nio-8081-exec-1] INFO  org.apache.kafka.common.utils.AppInfoParser…
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…
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…
spring+hibernate整合:报错信息如下 org.hibernate.HibernateException: No Session found for current thread at org.springframework.orm.hibernate4.SpringSessionContext.currentSession(SpringSessionContext.java:106) at org.hibernate.internal.SessionFactoryImpl.getC…
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…
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…
最近项目需求用到了kafka信息中间件,在此做一次简单的记录,方便以后其它项目用到. 引入依赖 <dependency> <groupId>org.springframework.kafka</groupId> <artifactId>spring-kafka</artifactId> </dependency> 配置文件 kafka.consumer.servers=127.0.0.1:9092 kafka.consumer.ena…
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…