当你在Java项目中遇到“the import java.sql cannot be resolved”这个错误时,可以按照以下步骤进行排查和解决: 确认问题环境: 确认你遇到这个问题是在哪种IDE(集成开发环境)中,例如Eclipse、IntelliJ IDEA等。不同的IDE可能有不同的配置方式和问题排查方法。 检查JDK版本: 确保你安装的JDK版本支持java.sql包。java...
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <%@ taglib prefix="s" uri="/struts-tags"%> <%@ page import="java.sql.*" %> 用这种写法肯定可以；java.util.*最好不要改，基本都要import进来。补充：编码格式最好用UTF-8，这样就支持世界上所有语言，铁...
如果没有记错的话，Class.forName("com.mysql.jdbc.Driver")是这个，去试试
The import javax.websocket cannot be resolved的解决问题 在eclipse中导入项目的时候出现了这个问题,废了我半天劲,才搞明白,把问题记录下来,方便大家以后遇到这问题好处理。提供参考。 出现的问题截图: 因为我用的是tomcat8, 大体步骤:项目上点右键选中 Properties->Java Build Path->Libraries->Add External JARs-...
The import java.util cannot be resolved The import javax.servlet cannot be resolved The import java.util cannot be resolved 原因:这是由于你的项目buildpath不对 解决方案:右键项目---buildpath---最下面那个configuration 的选择libraries找到JRE,选中remove掉重新为该项目选择一个JRE选中项目,project---clean...
The import java.sql cannot be resolved The import java.util cannot be resolved 问题原因:jdk 类库没有找到。 解决办法:依次做如下操作,Windows -> Prefrence -> Java Build Path -> Libraries。 从上图我们看到错误提示:“JRE System Library” 提示错误,单击“Edit...” 按钮。
Error: The import javax.servlet cannot be resolved The import javax.servlet.http.HttpServletRequest ... NDK xxxxx could not be resolved解决方法 Type '***' could not be resolved Method '***' could not be resolved 问题解决 以下为未尝试方法,如果上面方法解 ... The import...
sqlTCP port 1433, UDP port 1434 tftpUDP port 69 For example, enteringq dnsin interactive mode is equivalent to runningportqry -n 127.0.0.1 -p both -e 135in regular command-line mode. Interactive mode options You can use thesetcommand to set options such as the source port or slow link...
pycaret version checks I have checked that this issue has not already been reported here. I have confirmed this bug exists on the latest version of pycaret. I have confirmed this bug exists on the master branch of pycaret (pip install -U...
org.apache.jasper.JasperException: The absolute uri: http://java.sun.com/jsp/jstl/core cannot be resolved in either web.xml or the jar files deployed with this application 解决办法:在tomcat的配置文件中找到如图位置,去掉红框中的那个 * 号,改为: ...