<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Running_dolphin的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/Running_dolphin</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Running_dolphin]]></copyright><item><title><![CDATA[java集合类，List和Set比较，各自的子类比较（ArrayList，Vector，LinkedList；HashSet，TreeSet），Map集合比较]]></title><link>https://blog.youkuaiyun.com/Running_dolphin/article/details/79458518</link><guid>https://blog.youkuaiyun.com/Running_dolphin/article/details/79458518</guid><author>Running_dolphin</author><pubDate>Tue, 06 Mar 2018 15:04:33 +0800</pubDate><description><![CDATA[ArrayList，LinkedList，Vector都属于List List：元素是有顺序的，元素可以重复因为每个元素有自己的角标（索引）  |-- ArrayList:底层是数组结构，特点是：查询很快，增删稍微慢点，线程不同步：A线程将元素放在索引0位置，CPU调度线程A停止，B运行，也将元素放在索引0位置，当A和B同时运行的时候Size就编程了2.   |-- LinkedList：底层使用...]]></description><category></category></item><item><title><![CDATA[个人博客系统（SSM）]]></title><link>https://blog.youkuaiyun.com/Running_dolphin/article/details/79028230</link><guid>https://blog.youkuaiyun.com/Running_dolphin/article/details/79028230</guid><author>Running_dolphin</author><pubDate>Wed, 10 Jan 2018 20:56:38 +0800</pubDate><description><![CDATA[简单做一个个人博客系统，以博客中的日记模块为例。后台使用easyui。
数据库：personal_blog
日记表：diary

字段：


创建Maven工程
pom.xml文件



    org.mybatis
    mybatis
    3.4.1



    mysql
    mysql-connector-java
    5.1.29



    org]]></description><category></category></item><item><title><![CDATA[SpringMVC运行过程及涉及到的类解析]]></title><link>https://blog.youkuaiyun.com/Running_dolphin/article/details/79022985</link><guid>https://blog.youkuaiyun.com/Running_dolphin/article/details/79022985</guid><author>Running_dolphin</author><pubDate>Wed, 10 Jan 2018 14:06:37 +0800</pubDate><description><![CDATA[springmvc框架执行结构图：

文字描述：
    1.浏览器发起一个请求：http://localhost:80/
    2.先去指定服务器上查找项目
    3.加载该项目的web.xml(DispatcherServlet前端控制器)
    4.DispatcherServlet收到请求拦截到了，调用处理器映射器进行处理。
    5.处理结果最终返回给Dispatc]]></description><category></category></item><item><title><![CDATA[JSTL表达式错误PropertyNotFoundException: Property 'title' not found on type java.lang.String]]></title><link>https://blog.youkuaiyun.com/Running_dolphin/article/details/78995609</link><guid>https://blog.youkuaiyun.com/Running_dolphin/article/details/78995609</guid><author>Running_dolphin</author><pubDate>Sun, 07 Jan 2018 16:37:36 +0800</pubDate><description><![CDATA[低级错误！！！
异常：
PropertyNotFoundException: Property 'title' not found on type java.lang.String
解释：属性找不到异常：属性title找不到

查询数据库正常，出现错误原因是jstl表达式书写错误
正确写法！！！！谨记]]></description><category></category></item><item><title><![CDATA[BindingException: Invalid bound statement (not found): com.ssm.blog.dao.BlogDAO.getBlogList]]></title><link>https://blog.youkuaiyun.com/Running_dolphin/article/details/78995276</link><guid>https://blog.youkuaiyun.com/Running_dolphin/article/details/78995276</guid><author>Running_dolphin</author><pubDate>Sun, 07 Jan 2018 15:55:05 +0800</pubDate><description><![CDATA[异常：BindingException: Invalid bound statement (not found): com.ssm.blog.dao.BlogDAO.getBlogList
解释：捆绑异常：无效的绑定声明
检查错误步骤：
1.检查dao层，service层和controller层方法是否实现并正确调用
2.检查Mapper层的此方法
3.检查spring-config.x]]></description><category></category></item><item><title><![CDATA[UnsatisfiedDependencyException NoUniqueBeanDefinitionException]]></title><link>https://blog.youkuaiyun.com/Running_dolphin/article/details/78994427</link><guid>https://blog.youkuaiyun.com/Running_dolphin/article/details/78994427</guid><author>Running_dolphin</author><pubDate>Sun, 07 Jan 2018 13:54:10 +0800</pubDate><description><![CDATA[原文地址：http://blog.youkuaiyun.com/u011731544/article/details/78989253
06-Jan-2018 15:39:27.905 SEVERE [http-nio-8080-exec-3] org.apache.catalina.core.ApplicationContext.log StandardWrapper.Throwable

 org.]]></description><category></category></item><item><title><![CDATA[java.lang.StackOverflowError]]></title><link>https://blog.youkuaiyun.com/Running_dolphin/article/details/78994376</link><guid>https://blog.youkuaiyun.com/Running_dolphin/article/details/78994376</guid><author>Running_dolphin</author><pubDate>Sun, 07 Jan 2018 13:45:35 +0800</pubDate><description><![CDATA[原文地址：http://blog.youkuaiyun.com/u011731544/article/details/78989067
2018-01-06 15:20:13,486 DEBUG [org.springframework.web.servlet.mvc.annotation.ResponseStatusExceptionResolver] - Resolving exception from]]></description><category></category></item><item><title><![CDATA[SSM文件上传封装工具类]]></title><link>https://blog.youkuaiyun.com/Running_dolphin/article/details/78993435</link><guid>https://blog.youkuaiyun.com/Running_dolphin/article/details/78993435</guid><author>Running_dolphin</author><pubDate>Sun, 07 Jan 2018 10:38:43 +0800</pubDate><description><![CDATA[SSM项目中文件上传controller层中文件上传代码重复过多，将其封装成工具类，方便以后的使用。

resource.properties

NOTICE_IMAGE_DIR=E:/upload/notice/
NOTICE_IMAGE_URL=http://localhost:8080/upload/notice/

Utils：

public static String ]]></description><category></category></item><item><title><![CDATA[Could not get JDBC Connection；java.net.ConnectException: Connection refused: connect]]></title><link>https://blog.youkuaiyun.com/Running_dolphin/article/details/78991522</link><guid>https://blog.youkuaiyun.com/Running_dolphin/article/details/78991522</guid><author>Running_dolphin</author><pubDate>Sat, 06 Jan 2018 20:57:08 +0800</pubDate><description><![CDATA[原文地址：http://blog.youkuaiyun.com/u011731544/article/details/78986522
连接被拒绝。出现这种问题的原因是：数据库服务没打开。启动数据库服务就好了


    Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link fai]]></description><category></category></item><item><title><![CDATA[Access denied for user 'xxx'@'localhost']]></title><link>https://blog.youkuaiyun.com/Running_dolphin/article/details/78991466</link><guid>https://blog.youkuaiyun.com/Running_dolphin/article/details/78991466</guid><author>Running_dolphin</author><pubDate>Sat, 06 Jan 2018 20:48:13 +0800</pubDate><description><![CDATA[原文地址：http://blog.youkuaiyun.com/u011731544/article/details/78986582
    ### Error querying database.  Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested]]></description><category></category></item><item><title><![CDATA[MySQLIntegrityConstraintViolationException: Column 'ID' in where clause is ambiguous ;]]></title><link>https://blog.youkuaiyun.com/Running_dolphin/article/details/78991412</link><guid>https://blog.youkuaiyun.com/Running_dolphin/article/details/78991412</guid><author>Running_dolphin</author><pubDate>Sat, 06 Jan 2018 20:38:02 +0800</pubDate><description><![CDATA[Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Column 'ID' in where clause is ambiguous
; SQL []; Column 'ID' in where clause is ambiguous; nested exception is com]]></description><category></category></item><item><title><![CDATA[Invalid bound statement (not found)]]></title><link>https://blog.youkuaiyun.com/Running_dolphin/article/details/78991389</link><guid>https://blog.youkuaiyun.com/Running_dolphin/article/details/78991389</guid><author>Running_dolphin</author><pubDate>Sat, 06 Jan 2018 20:33:29 +0800</pubDate><description><![CDATA[原文地址：http://blog.youkuaiyun.com/u011731544/article/details/78986698
06-Jan-2018 09:43:27.634 SEVERE [http-nio-8080-exec-6] org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service() for servlet]]></description><category></category></item><item><title><![CDATA[Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias]]></title><link>https://blog.youkuaiyun.com/Running_dolphin/article/details/78991367</link><guid>https://blog.youkuaiyun.com/Running_dolphin/article/details/78991367</guid><author>Running_dolphin</author><pubDate>Sat, 06 Jan 2018 20:29:08 +0800</pubDate><description><![CDATA[原文地址：点击打开链接

Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'blogSe]]></description><category></category></item><item><title><![CDATA[Result Maps collection does not contain value for.blog.dao.BlogDAO.int]]></title><link>https://blog.youkuaiyun.com/Running_dolphin/article/details/78991342</link><guid>https://blog.youkuaiyun.com/Running_dolphin/article/details/78991342</guid><author>Running_dolphin</author><pubDate>Sat, 06 Jan 2018 20:24:48 +0800</pubDate><description><![CDATA[原文地址：点击打开链接


mybatis中报错：
6-Jan-2018 12:08:04.280 SEVERE [http-nio-8080-exec-7] org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service() for servlet [springMVC] in context with path ]]></description><category></category></item><item><title><![CDATA[UnsatisfiedDependencyException NoSuchBeanDefinitionException]]></title><link>https://blog.youkuaiyun.com/Running_dolphin/article/details/78991206</link><guid>https://blog.youkuaiyun.com/Running_dolphin/article/details/78991206</guid><author>Running_dolphin</author><pubDate>Sat, 06 Jan 2018 20:01:20 +0800</pubDate><description><![CDATA[原文地址：点击打开链接

[org.springframework.web.context.support.XmlWebApplicationContext] - Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.]]></description><category></category></item><item><title><![CDATA[springMVC中404可能出现的原因]]></title><link>https://blog.youkuaiyun.com/Running_dolphin/article/details/78990521</link><guid>https://blog.youkuaiyun.com/Running_dolphin/article/details/78990521</guid><author>Running_dolphin</author><pubDate>Sat, 06 Jan 2018 17:54:45 +0800</pubDate><description><![CDATA[原文地址：点击打开链接


1. 如果tomcat启动正常的话，就检查springMVC的配置，如果tomcat启动 都报错，就找原因去吧。
2. 地址不正确或没有响应
1) 检查Controller类上是否有@Controller注解。@RequestMapping加了没有，是不是在类上面加了父路径了？
2) 检查SpringMVC的配置文件是否扫描了Controller所在的包
]]></description><category></category></item><item><title><![CDATA[maven pom.xml配置详解]]></title><link>https://blog.youkuaiyun.com/Running_dolphin/article/details/78990460</link><guid>https://blog.youkuaiyun.com/Running_dolphin/article/details/78990460</guid><author>Running_dolphin</author><pubDate>Sat, 06 Jan 2018 17:45:39 +0800</pubDate><description><![CDATA[原文地址：http://www.cnblogs.com/yangxia-test/p/4396159.html<project xmlns="http://maven.apache.org/POM/4.0.0"  
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
    xsi:schemaLocation="http://m]]></description><category></category></item><item><title><![CDATA[springMVC中ajax请求响应406]]></title><link>https://blog.youkuaiyun.com/Running_dolphin/article/details/78989395</link><guid>https://blog.youkuaiyun.com/Running_dolphin/article/details/78989395</guid><author>Running_dolphin</author><pubDate>Sat, 06 Jan 2018 15:56:13 +0800</pubDate><description><![CDATA[原文地址：点击打开链接


The resource identified by this request is only capable of generating responses with characteristics not acceptable according to the request "accept" headers.
意思是请求不被接受。出现这种情况一般都是用了@]]></description><category></category></item><item><title><![CDATA[MalformedByteSequenceException: 3 字节的 UTF-8 序列的字节 2 无效。]]></title><link>https://blog.youkuaiyun.com/Running_dolphin/article/details/78989258</link><guid>https://blog.youkuaiyun.com/Running_dolphin/article/details/78989258</guid><author>Running_dolphin</author><pubDate>Sat, 06 Jan 2018 15:41:12 +0800</pubDate><description><![CDATA[原文地址：点击打开链接



'sqlSessionFactory' defined in class path resource [spring-config.xml]: Invocation of init method failed; nested exception is org.springframework.core.NestedIOException: Failed to p]]></description><category></category></item></channel></rss>