例如:The prefix "context" for element "context:annotation-config" is not bound. 这种情况是因为没有申明该标签,然后就使用了.解决方发是,在配置文件头部加入相应的信息即可( 即xmlns:context="http://www.springframework.org/schema/context"). 这种情况是因为没有申明该标签,然后就使用了.解决方发是,在配置文件头部加
spring boot 启动报错如下 org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.boot.autoconfigure
如何自定义JSTL标签 1.创建一个类,从SimpleTagSupport继承 A) 通过继承可以获得当前JSP页面上的对象,如JspContext I) 实际上可以强转为PageContext II) 通过PageContext可以拿到HttpServletRequest等对象 B) 通过JspContext可以获取输出流,向页面上输出内容(文字/HTML标签) C) 重写doTage()方法实现标签的内部逻辑 2.在tld(标签库描述)文件中添加<tag>标签 A) 如果tld还没有,则从
spring boot 启动报错: Caused by: java.lang.IllegalArgumentException: LoggerFactory is not a Logback LoggerContext but Logback is on the classpath. Either remove Logback or the competing implementation (class org.slf4j.impl.Log4jLoggerFactory loaded from
报错如下: ### Error updating database. Cause: java.lang.IllegalArgumentException: Mapped Statements collection does not contain value for com.xxx.entity.UserMapper.insert ### Cause: java.lang.IllegalArgumentException: Mapped Statements collection does no
报错信息如下: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dingTalkMessagePump' defined in file [F:\workspace\NEWSRC\WebContent\WEB-INF\classes\artifacts\ERP_Web_exploded\WEB-INF\classes\com\netmarch\softprojectma