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  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…

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

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…

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…

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…

sqlplus /nolog.conn /as sysdba.startup命令后显示 SQL> startupORA-01078: failure in processing system parametersLRM-00109: could not open parameter file '/home/oracle/app/product/11.2.0/dbhome_1/dbs/initLCDC.ora' 查找文件,果然不存在.估计是非法关机造成的. 这是因为在oracle9i和oracle…

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…