org.springframework.jdbc.UncategorizedSQLException: ConnectionCallback; uncategorized SQLException for SQL []; SQL state [null]; error code [0]; java.lang.InstantiationException: cn.at.bean.domain.ConstantInt; nested exception is java.sql.SQLExcept…

代码如下: package cn.pb.bean; import java.util.ArrayList;import java.util.List; /** * 分类的实体类 */public class Category { private Integer cid; private String cname; private Integer pid; //父分类下子分类的集合 private List<Category> list = new ArrayList<Category&g…

原文:https://blog.csdn.net/u__f_o/article/details/82756701 一般出现这种情况,应该是没有扫描到对应的mapper包,即在启动类下配置MapperScan时导错了包. 此时应该导入的包是 tk.mybatis.spring.annotation.MapperScan, 而不是 org.mybatis.spring.annotation.MapperScan…

JVM的版本比jdk的版本老,即JVM的版本低于jdk的版本.换个新版本的就可以解决问题.…

org.apache.ibatis.exceptions.PersistenceException: ### Error querying database.  Cause: org.apache.ibatis.builder.BuilderException: Error invoking SqlProvider method (com.github.abel533.mapper.MapperProvider.dynamicSQL).  Cause: java.lang.Instantiati…

在ssh整合中:出现的异常 Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListenerorg.springframework.beans.factory.BeanCreationException: Error creating bean with name 'transactionManager' d…

Spring.之.报错 No Spring Session store is configured springboot在启动的时候报如下错误: Error starting ApplicationContext. To display the auto-configuration report re-run your application with 'debug' enabled. 2019-09-09 20:55:14.732 ERROR 5564 --- [ main] o.s.boot…

进行 spring mvc jpa整合时.Junit方法测试时. 异常: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [applicationContext.xml]: Invocation of init method failed; nested excep…

参考文章: 使用Log4jdbc-log4j2监听MyBatis中运行的SQL和Connection 使用 log4jdbc格式化输出SQL,maven配置如下: <dependency> <groupId>org.bgee.log4jdbc-log4j2</groupId> <artifactId>log4jdbc-log4j2-jdbc4</artifactId> <version>1.16</version> <…

1.错误描写叙述 usage: java org.apache.catalina.startup.Catalina [ -config {pathname} ] [ -nonaming ] { -help | start | stop } 2014-7-10 23:28:16 org.apache.catalina.core.AprLifecycleListener init 信息: Loaded APR based Apache Tomcat Native library 1.1.29 usi…