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解决com.mysql.jdbc.exceptions.jdbc4.MySQLTransactionRollbackException: Lock wait timeout exceeded; try

问题: com.mysql.jdbc.exceptions.jdbc4.MySQLTransactionRollbackException: Lock wait timeout exceeded; try restarting transaction; nested exception is com.ibatis.common.jdbc.exception.NestedSQLException: --- The error occurred while applying a parameter map.

Exception in thread "main" com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionExce

1. 环境:mysql 8.0.28、mysql驱动5.1.17 2. BUG描述:使用spark连接mysql出现错误 2.1 spark连接mysql语句 //TODO 创建SparkSQL的运行环境 val sparkConf = new SparkConf().setMaster("local[*]").setAppName("sparkSQL") val spark = SparkSession.builder().config(spark

针对MYSQL8.0报错:COM.MYSQL.JDBC.EXCEPTIONS.JDBC4.MYSQLNONTRANSIENTCONNECTIONEXCEPTION: COULD NOT CREATE

问题是因为版本问题,驱动和数据库不匹配导致。 这个问题让我找了好久,给大家分享一下: 因为我的maven项目中导入的mysql-connector-java的版本是5.1.13,而我mysql的版本是8.0.27,下面是我查了下我的mysql的版本号;     然后我把项目中 mysql-connector-java 的版本换成了 8.0.27,然

解决:com.mysql.jdbc.exceptions.jdbc4.CommunicationsExcepti

这可能是MySQL连接的jar包版本不对。 需要加入version。 正确配置如下: <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>8.0.28</version><!--$NO-MVN-M

sql 报错:Error updating database. Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegri

原文链接:这里 0.报错详情 insert语句插入的时候报错。 报错详情如下: org.springframework.dao.DuplicateKeyException: \r\n### Error updating database. Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry 'f098779b-3148-

Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Table 'hive.DELETEME16431

Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Table 'hive.DELETEME1643159643943' doesn't exist 解决问题的办法有两个: 1. 直接在mysql中 drop 异常提示中的table mysql>drop table DELETEME1643159643943; 2. 保守的做法,根据DELETEME*表的结构,在Hiv

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

客户服务器环境接口访问数据库报错 2021-10-28 10:32:47.566 ERROR 11664 --- [eate-1185788518] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf8&zeroDateTimeBeha

Springboot项目中com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException问题解决

在最近的Springboot项目中,在向数据库添加数据时,报出了com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException的错误,这是说sql语句有语法错误,但是我是直接调用继承自BaseMapper<>的insert方法,并没有自己写sql语句,在反复检查无果后打算自己写insert方法,这个时候才发现是

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packe

错误产生环境 使用JDBC连接MySQL数据库时产生 错误描述 com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets fr

关于com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure的解决

具体错误信息 "C:\Program Files (x86)\Java\jdk1.8.0_291\bin\java.exe" -agentlib:jdwp=transport=dt_socket,address=127.0.0.1:13766,suspend=y,server=n -ea -Didea.test.cyclic.buffer.size=1048576 -javaagent:C:\Users\HL\.IntelliJIdea2019.2\system\

Mysql Can't reach database server or port com.mysql.jdbc.exceptions.jdbc4.CommunicationsExcepti

Can't reach database server or port SQLState - 08S01com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets f

Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLDataException: '3.085409004E9' in column '

error info=Error attempting to get column 'max_body_bytes_sent' from result set. Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLDataException: '3.085409004E9' in column '14' is outside valid range for the datatype INTEGER. ; SQ

使用mybatis书写xml映射文件,sql大小写的问题。

我遇到的问题:找不到表,为啥,因为我把xml映射文件为了视觉效果更好,全部变成小写了。而在远程的mysql的表名称为大写字母,是以出现这个问题。 可能出现的错误: 问题1:Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown column 'S.ID' in 'field list' 问题2:Cau

MyBatis程序中遇到的若干异常(java.lang.ExceptionInInitializerError和com.mysql.jdbc.exceptions.jdbc4.Communicatio

MyBatis程序中遇到的若干异常(java.lang.ExceptionInInitializerError和com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure等)的解决方案@TOC java.lang.ExceptionInInitializerError的解决方案: 1.去掉UserMapper.xml文件中的中文注释

JDBC连接mysql数据库时报错com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException

记录一下我自己在使用JDBC连接mysql数据库过程中遇到的一些小问题 在使用JDBC连接mysql数据库时,第一次运行程序后出现错误 java.lang.ClassNotFoundException: com.mysql.jdbc.Driver。是由于自己没有导入连接数据库使用的jar包,便立即在web目录下新建lib文件夹,将jar包放进去,

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

IP address or hostname in JDBC URL is wrong.    Hostname in JDBC URL is not recognized by local DNS server.Port number is missing or wrong in JDBC URL.DB server is down.DB server doesn't accept TCP/IP connections.DB server has run out of connections.

Error updating database. Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionExceptio

报错信息: 解决方式: 更换连接数据库的驱动包。 原本的: <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.38</version> </dependency> 原驱动 更改的: <de

Exception in thread “main“ com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException已解决!

问题描述: 使用Java连接数据库出现错误: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server. at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at java.

com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown column ‘xxx‘ in ‘field list错误‘

运行时出现错误 com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown column ‘bitch’ in ‘field list’ 错误原因: 我的sql语句的列名写错误了 数据库是这样的 我写的sql是 String sql = “insert into customers(name,email,bitch)value(?,?,?)” birt

com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Public Key Retrieval is not al

一开始以为是jar没导进来  maven clear    install 一下 还是那样   找了一些解决方案   发现是MySQL 8.0 版本 的问题  需要在后面加  allowPublicKeyRetrieval=true 一开始是   url: jdbc:mysql://localhost:8858/*****?useUnicode=true&characterEncoding-utr-8&use

连接JDBC报错:com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create conn

问题: Spring整合Mybatis时候,出现数据库连接异常: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up. 分析: 找了好半天的原因,最后发现是相关jdbc驱动包版本太低!

【异常】com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connectio

一、异常信息 com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_231] at sun.reflect.NativeConstruct

MYSQL报错:com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException

之前一直是使用oracle数据库,今天刚刚下载mysql初次使用,mysql版本是8.0.14; 结果连接数据库的时候一直报错: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server 总结一下: 1 mysql 8.0 以后,java 的驱动包

troubshooting-sqoop 导出 TiDB表数据报com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communicatio

2019-11-22 17:15:27,705 FATAL [IPC Server handler 13 on 44844] org.apache.hadoop.mapred.TaskAttemptListenerImpl: Task: attempt_1574410493054_0011_m_000000_0 - exited : java.lang.RuntimeException: java.lang.RuntimeException: com.mysql.jdbc.exceptions.jdbc4

Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL

测试类中一直报错,原因是说写的sql语句错误,但是对比之前正确的也没有错啊,百度看了下,别人的是写成中文的,我这里主要出现的错误是id左右带的括号我写成中括号了、、、 update tb_user set user_name = #{userName}, password = #{password}, name = #{name}, age = #{age}, s