注意:c3p0的数据库配置方式为: <named-config name="sqlsvr"> <property name="driverClass">net.sourceforge.jtds.jdbc.Driver</property> <property name="jdbcUrl">jdbc:jtds:sqlserver://localhost:1433/WaterNet_DaFeng<…

报错的原因是url = "jdbc:odbc:Driver={Microsoft Access Driver (*.mdb)};DBQ=E:/公司/2000.mdb"; 这样是不行滴,要改成 url = "jdbc:odbc:Driver={Microsoft Access Driver (*.mdb, *.accdb)};DBQ=E:/公司/2000.mdb"; 我去,网上找了好久好久,才找到...…

我使用的MongoDB版本是3.6.9. 下面是一个很基础的示例代码,功能就是连接MongoDB: package com.zifeiy.snowflake.handle.etl.mongodb; import com.mongodb.MongoClient; public class MongodbTest { public static void main(String[] args) { MongoClient mongoClient = new MongoClient(); } } 但是…

Java 客户端连接Kafka报如下错误 java.nio.channels.ClosedChannelExcep 是由于Kafka server.properties中的advertised.host.name 属性没有配置.这个属性代表客户端访问Kafka的地址.如果没配置默认是主机名.…

您的问题是您在应用程序类路径中缺少必需的JAR(这导致ClassNotFound异常).如果您下载了包含IP Camera驱动程序(webcam-capture-driver-ipcam-0.3.10-RC6-dist.zip)的ZIP文件,您将在libs目录下找到所有必需的第三方JAR .所需的JAR列表包括以下内容:…

先是报错255,这个时候需要把 jdbc:mysql://localhost:3306/projUse 写成 jdbc:mysql://localhost:3306/projUse?useUnicode=true&characterEncoding=utf8 后来报错 java.sql.SQLException: Unknown system variable 'tx_isolation' 解决办法: 在pom.xml文件中将MySQL Connector / J版本升级为8: <!-- M…

详细报错 java.sql.SQLException: The server time zone value '�й���׼ʱ��' is unrecognized or represents more than one time zone. You must configure either the server or JDBC driver (via the serverTimezone configuration property) to use a more specifc time z…

报错内容: java.sql.SQLException: The server time zone value '�й���׼ʱ��' is unrecognized or represents more than one time zone. You must configure either the server or JDBC driver (via the serverTimezone configuration property) to use a more specifc time…

MyMaincom.test.sunc.MyMaintestMethod(com.test.sunc.MyMain)org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [beans.xml]: Instantiation of bean failed; nested exception i…

报错信息如下: The node /hbase is not in ZooKeeper. It should have been written by the master. Check the value configured in 'zookeeper.znode.parent'. There could be a mismatch with the one configured in the master. 经过调试,发现是自己的URL写错了:jdbc:phoenix:hdp03:/hba…