application.yml 添加后两行配置,增加连接池数量data: mongodb: host: *** database: *** port: 27017 username: *** password: *** authenticationDatabase: *** connections-per-host: 10000 min-connections-per-host: 200…
报错信息:Could not open JDBC Connection for transaction; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (Could not create connection to database server.) 问题来源mysql-connecter-java 版本过低 如果你mysql的版本是m…
解决方法一: [oracle@data ~]$ sqlplus / as sysdba——连接到数据库 SQL*Plus: Release 11.2.0.4.0 Production on Mon May 8 16:37:56 2017 Copyright (c) 1982, 2013, Oracle.  All rights reserved. Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 6…
spring boot 整合redis是报了如下错误 org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'redisUtil': Unsatisfied dependency expressed through field 'template'; nested exception is org.springframework.beans.factory.U…
org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (Could not create connection to database server. Attempt…
启动tomcat, 出现, ( 之前都是好好的... ) [lk ] ERROR [08-12 15:10:02] [main] org.springframework.web.context.ContextLoader.initWebApplicationContext(215) | Context initialization failed org.springframework.beans.factory.BeanCreationException: Error creating bean…
ssh项目启动报错: org.dom4j.DocumentException: Connection timed out: connect Nested exception: Connection timed out: connect 一开始以为是数据库连接的事,后来发现是hibernate在实体对象映射数据库表的时候出的错 解决: 查看hibernate.jar包里的hibernate-mapping-3.0.dtd里的 <!DOCTYPE hibernate-mapping PUBLIC &qu…
贴出applicationContext.xml <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://ww…
org.dom4j.DocumentException : 1 字节的 UTF-8 序列的字节 1 无效. Nested exception: 1 字节的 UTF-8 序列的字节 1 无效. 网上查了一下  都说是什么改下文件编码,就想万一在服务器上的文件怎么改编码,应该会有设置编码的地方,找了一下果然有 SAXReader saxReader = new SAXReader(); saxReader.setEncoding("GB2312");//这里设置文件编码 document…
SSH框架出现了下面的错误: nested exception is org.hibernate.QueryException: could not resolve property 检查了hbm.xml文件无误,后来才发现是查询语句的属性名大小写搞错了.…