Docker java sql sqlnontransientconnectionexception could not create connection to database server. Attempted reconnect 3 times.

Docker java sql sqlnontransientconnectionexception could not create connection to database server CJCommunicationsException: Communications link failure. 数据库连接配置错误。 解决该问题的方法包括： 1. 数据库服务器的用户名或密码不正确 报错"java. 11按照以往的配置，使用插件mybatis-generator-maven-plugin生成代码时，一直报错Could not create connection to database server. 17 11:13 浏览量：55 报错java. 5 使用：com. The spring boot app can connect to the database, i see it in MySQL Workbench. I can not get connection from datasource with this properties. After two hours of not operating the database, I performed an insert operation and encountered a 'Could not create connection to database server' Attempted reconnect 3 times Giving up I hope he can successfully execute the insert after 8 hours of inactivity 本文详细介绍了如何有效解决 `java. SQLNonTransientConnectionException: Could not create connection to database server 这个异常通常意味着Java程序在尝试连接到数据库服务器 nacos2使用外部搭建的mysql8服务作为存储媒介，刚搭建完mysql8发现nacos连接mysql8没有任何问题，但是后面突然报了类似下面的异常信息 MySQL process is up and accessible, but Spring is not able to connect and stops: java. 准备对象之后，使用选择查询在数据库中搜索 你好，2. 未能连接到数据库服务这里是本问题？ 仔细一想: 本地数据库 8. I want create a connection between android studio and MySql. 0 ``` 2. , Workbench 8. The database only shows 1 active connection, so I know it is not because of too many open connections. SQLNonTransientConnectionException: Could not create connection to database server`这个错误，这通常意味着 我想在docker容器中使用nacos，并使用单机模式，我本地有mysql容器，而且是5. 4版本无法加载驱 报错：java. 8 itself. 4. yml: ve 文章浏览阅读91次。这个错误通常表示无法建立与数据库服务器的连接。它可能是由以下几个原因引起的： 1. 启动后访问报：java. Attempted reconnect 3 times 新搭建的项目启动时候报错,如下： HikariPool-1-Exception during pool initialization. v2. )尝试多种方法后发现是由于mysql驱动版本太低导致。报错时，我的jmeter版本是3. In a separate file the commands work fine I am trying to run my Java microservice locally on MacOs and connect to MySQL db running in Docker container but I get an error: java. CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java. sql. 0 博主报的是： org. That’s OK for a test to make sure org. 2、MySQL 如何启用SSL ＞ Stage 1、生成 SSL 证书和私钥 ＞ Stage 2、配置 MySQL 服务器 ＞ Stage 3、重启 MySQL 服务器 ＞ Stage 4、测试 SSL 连接 当出现"Could not create connection to database server. Attempted reconnect 3 times. ConnectException: Connection refused (Connection refused)The last packet sent successfully to the server was 0 milliseconds ago. Giving up I replaced local host with the sql container but it is still not working, the problem is with "spring. net. SQLNonTransientConnectionException是一种SQL异常，它表明客户端与数据库服务器之间的连接问题不太可能在短时间内 This problem occurs when the MySQL service is not running and you're trying to connect to the mysql database. at com. exceptions. 今回は、ishina_yumさんのserverTimezone=JSTを削除したら動きましたから調べました。 キーワードは、「serverTimeZone=JST」[と「Could not create connection to database server. 报错。检查自己的url语句并没有错误，数据库的用户名和密码也都正确。 i very much doubt that. Cause: org. 部署代码: ```shell doc Communications link failure // Caused by: java. I created MySql database using image (in dcoker), but when I want create another container (Sprig Boot) and connect to the Database I cannot. 解决方式: mysql5. After upgrade to MySQL 8, it started to show errors. sql 首页 启动springboot项目时报错：Could not create connection to database server. /mysql -u testuser -p and the I am able to get access to the server. 文章介绍了如何解决数据库连接错误java. In a compose file, when you're exposing ports it's declared as HOST_PORT:CONTAINER_PORT. Giving up，Unknown database 'jeecg-boot' 另外，如果你在docker中安装nacos时遇到了nacos-logback. Note: Never change the domain name, if possible delete the domain and create a new I have a local MySQL Community server (8. Nacos 文章浏览阅读9. Reload to refresh your session. 1:3306. I've setup the docker compose as below . I have tried rebooting the server, but it didn't help. Hello i am trying to connect to a 解决异常：Could not create connection to database server. SQLNonTransien 这是由于springboot自带 mysql-connector-java版本过高，导致连接失败，最终导致连接池启动失败， 我们使用springboot版本是 <spring-boot. version: &quot;3. Driv Android连接SQL由于微软sql数据库未直接提供Android连接的专用驱动，许多程序袁们从开源社区通过jtds驱动加载 目前可以分成jtds1. However, make sure to have the following: The correct dependency with a compatible version: <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>8. "表示在连接数据库时无法创建连接。 I have a Web App that wasn't working, so I wrote a main method to see where the problem was: The driver is in Java Build Path -> Libraries -> Classpath 准备使用mybatis-plus + Hikari + SpringBoot 搭建一个项目，结果一直报错Could not create connection to database server. You signed out in another tab or window. cnf and comment out skip-networking and bind-address properties. [08001] Could not create connection to database server. I am trying to use MySQL with android studio for an app for school. 数据库连接池耗尽； 3. ) 使用软件： mysql8. io. 16</version> </dependency> 文章浏览阅读409次。这个异常通常是由于以下原因之一引起的： 1. Once I run docker-compose up command then following errors have If the mysql server is running on the docker host, either on metal or in another contianer with a mapped port, it could be that your app's configuration is still looking for the I resolved the issue by adding enabledTLSProtocols query parameter to the link of the mysql server. 」で検索しましたね。 すると、SpringBoot関連ですが参考になりそうなサイトを見つけま Cannot create PoolableConnectionFactory (Could not create connection to database server. sql file looks as: Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company 您好！启动Nacos时遇到"java. Best Regards. 当出现"Could not create connection to database server. 数据库服务器的网络连接出现问题。 3. 之前我没 Im running a SpringBoot application which requires remote MySQL DB. datasource. you'll need to adjust your logging, either to not truncate stack traces, or else set a DEBUG log level for com. yaml的文件建立了自己的yml文件， 如下 version: "2" services: nacos: image: nacos/nacos-server:latest 此处可能存在不合适展示的内容，页面不予展示。您可通过相关编辑功能自查并修改。 如您确认内容无涉及 不当用语 / 纯广告导流 / 暴力 / 低俗色情 / 侵权 / 盗版 / 虚假 / 无价值内容或违法国家有关法律法规的内容，可点击提交进行申诉，我们将尽快为您处理。 I´m traying to create app in Android studio thank this app connect to my hosting server and to do any operation with the data. With MySQL 5. sql This timeout applies only to TCP/IP and Unix socket file connections, not to connections made using named pipes, or shared memory. 之前我没 问题分析. You have 3307:3306 so your MySQL container will make port 3306 in the container available at 3307 in the host. #### Docker 容器网络配置审查 如果是在Docker环境中部署，则需进一步审视容器间的通信状况。特别是要保证宿主机上的端口映射正确，并且防火墙规则允许必要的流量通过[^3]。 启动Nacos时遇到 nacos启动报错(Could not create connection to database server. properties, it is not working, if I remove that statement the container is running but it is not creating the tables 启动Spring项目报错. "这个错误通常表示无法连接到数据库服务器。解决这个问题的方法有以下几种： 1. "表示在连接数据库时无法创建连接。 Could not create connection to database server 2022-07-15 16:58:54,197 ERROR HikariPool-1 - Exception during pool initialization. log 异常如下： 2022-04-01 03:00:47,949 ERROR [db-error] org. 31，后来把mysql-co. 3. java:664) at java. version>2. Exception: java. The driver is automatically registered via the SPI and manual loading of the driver class is generally unnecessary. ddl-auto=create" statement in application. SQLNonTransientConnectionException: Could not create connection to database server Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company 1、面对nacos请求拒绝，当时SSH连接是成功的。先查看idea里面的报错信息，显示端口号9848不可用，以为是nacos2. 前段时间在做一个springboot小项目时遇到了一个问题：利用mybatis进行逆向工程创建pojo和mapper时，出现 Could not create connection to database server. 8，mysql版本是8. The driver has not received any packets from the server. 1. 0-bugfix 后，可以正常使用。 2. I have created a simple spring boot app to communicate with MYSQL via docker using the same network. So I think you can try to use a jdbc connection to keep pinging interval some seconds, or directly using a kind of JDBC Connection Pool framework to manage jdbc connections automatically. 6w次。解决 Could not create connection to database server. 数据库服务器不可用：请确保数据库服务器正在运行，并且网络连接正常。您可以尝试使用命令行工具或其他客户端连接到数据库服务器 Ideally this issue occurs when the connection string becomes wrong. 之前我没 nacos版本1. docker部署mysql 3. 2-1. **在cmd也 I am getting an exception when calling database code after a period of inactivity java. 200, with an ssh port at 3333. **检查url没有发现问题 **2. hibernate. 1 版本连不上 mysql，报错 Could not create connection to database server #182. nacos-server版本：2. My mySQL server is hosted on a ubuntu server vm @ 10. 7 的。 docker官方版本默认jdbc url中开启了useSSL，确认下mysql有没有开启。 另一种方法 文章浏览阅读138次。这个错误通常表示无法连接到数据库服务器。可能有多种原因导致这个问题，以下是一些常见的解决方法： 1. 1，jdk版本是1. 0. Please help me. Attempted Nacos启动失败 Caused by: java. Problem: com. _docker部署xxl-job镜像,启动成功却无法访问 After this is done we delete all the domain files that have been renamed after that try to create a new domain. 4k次。在部署XXL-JOB时遇到数据库连接问题，由于项目中使用的mysql驱动版本（8. Underlying cause: java. 如 java: jdbc : Could not create connection to database serverThanks for taking the time to learn more. 2. I have a MySQL container running (version 8, but tried with 5. Driver’. Version of MySQL = MySQL Workbench 8. url) quite close to that, except for the timezone which shouldn't matter. SQLNonTransientConnectionException: Could not create connection to database server Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I already had my connection string (spring. Hope this helps. But unfortunately SpringBoot is not able to connect with the DB Container. 31, Java 1. ConnectException: Connection refused (Connection refused) // The last packet sent successfully to the server was 0 milliseconds ago. yml文件内数据库的连接时间跟socket连接时间分别为1秒和3秒。按照这个部署内容最开始在docker虚拟网络内正常运行，服务器做了网络变更后发现nacos一直报数据库连接失败，随后排查。nacos库也在，就代表数据库正常，问题出在nacos上；基于docker部署nacos命令如下。 文章浏览阅读6k次。Nacos启动失败 Caused by: java. SQLNonTransientConnectionException Could not create connection to database server. "，这个错误通常是由于无法连接到数据库服务器引起的。 docker-compose -f standalone-mysql-8. Much more likely is that all 30 of the attempts experience the ArrayIndexOutOfBoundsException. mchange. 新项目使用springboot 3. sql nacos踩坑02-nacos启动失败Nacos Server did not start because dumpservice bean construction failure : No nacos无法启动，报Nacos Server did not start because dumpservice bean construction failure :No DataSource set。这个错误，一般来说就是mysql的数据库连接配置错误，或者使用了高版本的数据库导致的。 报错"java. Attempted reconnect 3 times. 检查数据库服务器是否已启动，并且是否在正确的端口上运行。 在Java应用程序中，如果你遇到`java. JDBCExceptionReporter - SQL Error: 0, SQLState: 08001 JDBCExceptionReporter - Could not create connection to database server. 3306 is the correct container port to use as that's MySQL's default port. 准备搭建一个Spring Boot 组合mybatis的项目，数据库采用的是MySQL 8. 一、问题描述 springboot集成druid配置多数据源情况下，数据库密码加密访问时会出现连接异常问题，具体报错如下： 二、问题分析 如果是单数据源的话druid是自带解密的，但是多数据源的情况下druid不会使用默认的加载方法，多数据源还是需要手动解密的。通过断点调试，发现步骤三中的解决方案是 使用Docker-Compose创建一个包含xxl-job和其所需依赖的Docker容器集群，使得部署变得轻松而可伸缩。配置xxl-job以适应你的应用需求，包括任务的调度和执行。创建和管理任务，以及监控任务的执行情况。通过示例演示如何使用Docker-Compose和xxl-job来调度和管理任务，以便你可以将这一强大的组合应用于 Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company 文章浏览阅读115次。这个错误提示是说无法连接到数据库服务器。可能的原因包括： 1. resourcepool to see the individual 我正在运行一个需要远程MySQL DB的SpringBoot应用程序。当运行jar文件时，它正在工作。但是，当我尝试将springboot应用程序容器化 一个分布式任务调度平台，其核心设计目标是开发迅速、学习简单、轻量级、易扩展。现已开放源代码并接入多家公司线上 异常一：IDEA连接mysql8. 3307 is fine for the host port as long as 1. SQLNonTransientConnectionException: Could not create connection to database server. Hi! Im fairly new to docker, and today i run into this issue. yaml up -d docker-compose -f standalone-mysql-5. Inside of your container, locate this file: /etc/my. You switched accounts on another tab or window. What solved it for me was to append &createDatabaseIfNotExist=true to the connection string! hope this helps someone – 文章浏览阅读53次。这个错误通常表示无法连接到数据库服务器。可能有以下几个原因： 1. docker-compose up -d执行完之后，发现campus-server启动一会后会停止运行，等mysql执行一段时间后，重新执行docker-compose up -d情况一样，执行docker logs -f campus-server查看日志，发现以 I have a MySQL container running (version 8, but tried with 5. The driver has You signed in with another tab or window. 拉取代码： ```shell docker pull xuxueli/xxl-job-admin:2. 11，mysql-connector-java版本是5. sql You signed in with another tab or window. this is the problem I got after runing : ava. 数据库服务器无响应或已关闭； 2. First of all I will try explain my problem. Could not create connection to database server. x开发对接msql数据，使用springboot 2. [mysqld] #skip 启动项目报错java. sql Nacos启动失败 Caused by: java. dbcp. 16，报[08001] Could not create connection to database server. CJ_docker could not create connection to database server. SQLNonTransientConnectionException: Could not create connection to database 文章浏览阅读2. 0几）不兼容。解决方案包括：降级驱动版本以匹配数据库，或者升级数据库版本以适应驱动。选择适合的方案进行调整即可解决报错。 启动后访问报：java. I have a spring boot app, an angular frontend and a MySQL database, which works fine in my local environment. 7版本 以下的安卓也不例外，高于4. Caused by: com. Please visit this documentation. cj. This is deprecated. 数据库服务器没有启动或已经停止运行。 2. In this video I'll go through your question, provide var 部署的是V1. lang. 解析具有300K记录的XML文件2. 0之后的版本，对应的端口号没有开启的原因。但是查看了docker里面nacos的配置信息，发现三个端口号都有，并且最开始创建nacos时也是开放了三个端口号。2、然后查看nacos的日志，发现是一个 查看nacos配置文件发现，原生的application. SQLNonTransientConnectionException : Could not create connection to database server. "表示在连接数据库时无法创建连接。 You signed in with another tab or window. Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site 文章浏览阅读706次，点赞16次，收藏5次。docker中Caused by: java. 1、什么是SSL 5. 0（刚买的） mysql 文章浏览阅读3. If the mysql server is running on the docker host, either on metal or in another contianer with a mapped port, it could be that your app's configuration is still looking for the database server on localhost which within its container points to 解决java. The expected connection string for a mysql jdbc connection will be as below, You signed in with another tab or window. 7版本的 在根据官方文档的指引 下载了该项目， 并仿照了example目录下的standalone-mysql-5. 01. SQLNonTransientConnectionException: Could I'm new in springboot and docker; I tried to connect dockerize my springboot application with mysql using docker-compose. 您好！启动Nacos时遇到"java. SQLNonTransientConnectionException: Could not read resultset: Connection I can connect to my database from client , but could not connect from application, (mysql server is working). it would be more helpful if you add your pom. CannotGetJdbcConnectionException: Failed to obtain JDBC Connection 启动后访问报：java. SQLNonTransientConnectionException: Could not create connection to database serv java. When run the jar file it is working. Why it could happen? I've tried to reinstall MySQL, Cleaned OS variables, looked everywhere and couldn't find solution. 安装MySQL以后，使用IDEA2019连接MySQL出现如下错误，刚开始我以为是连接MySQL的配置文件参数写错了，检查以后发现都是正确的，于是仔细看了一下报的错误，感觉应该是MySQL监听器出现了问题 试了试连接用Navicat 启动java新项目报错java. 数据库服务器未启动或已关闭。 2. 8k次，点赞16次，收藏24次。通过以上步骤，你可以解决 MySQL 远程连接的问题。确保防火墙和网络配置正确，MySQL 配置允许远程连接，并且用户具有适当的权限。如果仍然遇到问题，请检查 MySQL 日志文件（通常位于）以获取更多信息。_本机连接虚拟机docker容器中的mysql数据库 Failed to obtain JDBC Connection; nested exception is org. But when I tried to containerize my springboot application it I did a Java appliction using spring , hibernate and Jaxb. java. I try to implement a SpringBoot Application with a MariaDB Connection running on Docker. Giving up. 7. 0 版本是支持 Mysql 5. 报错信息如下： Caused by: java. DriverManager 根据引用[1]中的报错信息，"Could not create connection to database server. I tried to dockerise this app, and it seems that my spring app can’t connect to the database in the docker container. 0 mapreduce java jdbc 数据库 mysql We use java application client to transfer database table data to a third party server. Nacos 根据引用[1]中的报错信息，"Could not create connection to database server. 文章浏览阅读50次。这个错误信息"Ava. SQLNonTransientConnectionException: Could not create connection to database server异常 作者：搬砖的石头 2024. 3几个版本，对应于Android也已经更新，新的问题出现了如果继续使用jtds就要用1. Closed F91 opened this issue May 6, 2021 我试了下改成 1 个也不行 启动后访问报：java. Hope it help. 3 并且已经配置了k8s的环境变量：MYSQL_SERVICE_DB_PARAM ，对于nacos-naming是可以的，但是对naocs-config 就报如下异常 进入容器tail查看config-fatal. I have followed the documentation properly but still, I'm getting some issue in connection Following exception is throwing ever I want to run my sql database and my spring boot application inside docker. Can you check if the connection string formed is of the correct format. 23. xml找不到的问题，可以将该文件放入相应的文件夹中即可解决。 启动项目报错java. I'm new in springboot and docker; I tried to connect dockerize my springboot application with mysql using docker-compose. 7版本的， 因为一些特殊原因， 我只能使用5. Connection to icloud_db@localhost failed. IOException: Could not create connection to database server. 启动Nacos时遇到"java 一开始启动日志 是下面的错误信息; java. DriverManager. The new driver class iscom. j Nacos启动失败 Caused by: java. Driver'. As : DATABASE_URL=jdbc:mysql://mysql 当遇到 `SQLNonTransientConnectionException: Could not create connection to database server` 错误时，通常表明应用程序无法成功建立到数据库服务器的连接。对于Nacos java. SQLNonTransientConnectionException: Could not create connection to Your port configuration for MySQL looks like it's incorrect. I have a button that instanciate a kotlin class that contain method to connect DB and function to do operation. Here is my Database connection Class: public class Database { String userName = "myUserName"; String password = "myPass"; String url = " I have MySQL Server 8. jdbc. this is the problem I got after runing : mam I'm trying to connect my spring boot application with MySQL server. I can use the following terminal query to access the database: . This is my docker-compose. That’s OK for a test to make sure the database is accessible in at least one case, but I need it to accessible from another docker container. I am using the MySQL JDBC Connector/J version 5. SQLNestedException: Cannot create PoolableConnectionFactory (Could not create connection to database server. 9&quot; services: mysqldb: container_name: mysqldb 不积跬步无以至千里，不积小流无以成江河 技术人的一生没有捷径，每一步都需要自己去走 MySQL进程已启动且可访问，但Spring无法连接并停止： java. 之前我没 Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; 环境：阿里云服务器centos8 nacos2 mysql8确保网络、数据库用户名和密码都是正确的情况下。遇到的问题如下： 在github的issue中找到有大佬指点，需要 项目是基于springboot框架，昨天从git上pull代码之后也没有具体看更改的地方，结果运行的时候就报错了。 开始根据报错信息百度，各种方法，包括查看是否自己的路径配置出现问题，或者pom里的jar包引的不对，都没有起到作用，今天上午同事说了一句路径应该是服务器的，不是本地的，才反应过来。 我 I am trying to connect mysql database using jdbc. However, for whatever reason, need help with this, I cannot get my service running Sounds like you need to configure your DB for accepting non-localhost connections. jpa. Giving up. x) where I can access the port 3307 from an external Java program (not in docker). 기타/🚨 에러 [에러 잡자] Spring boot # java. To resolve this in Windows, Start >> type 'services' and open it. 11) running on a local host at 127. 11. 7 阿里云mysql数据库8. 0）与本地数据库版本（5. xml or gradle configs and your application. this is the problem I got after runing : You signed in with another tab or window. 2k次，点赞2次，收藏5次。博客内容讲述了在使用Docker运行Nacos时遇到的启动失败问题，原因是Nacos尝试连接的数据库用户权限不足。解决方案是创建新的数据库用户'nacos'，并授权允许远程连接。更 今天在学习jmeter的jdbc取样器，发现在配置完JDBC Connection Configuration和JDBC Request后，点击运行。 在查看结果树中显示响应数据：Cannot create PoolableConnectionFactory (Could not create connection to The reason i'm using a separate Docker file for mysql instead of just using image in docker-compose is necessity to create 2 databases on start (otherwise backend will not launch) createDB. at java. Giving up **1. 1 操作系统 window sever，centos7 mysql版本，docker版本mysql5. apache. SQLNonTransientConnectionException` 异常。该异常通常与数据库连接问题相关，作者通过亲身 文章浏览阅读4. RELEASE</spring-boot. 一、环境 二、场景 三、原因 四、解决方案 五、扩展 5. version> 数据库版本当然也会很 问题出现： 1. 错误 制作了一个Spring boot 整合 mybatis连接mysql的小demo，从数据库读取数据再返回到前端，实现最基本的查询功能 但是遇到启动的时候遇到报错 Could not create connection to database server. 数据库服务器的ip地址或端口号不正确。 3. "Could not create connection to database server. (I created a database and registered a user for it). 7 it was working fine. 数据库服务器的配置有误 异常内容： java. Attempting to start the spring boot app gives me this error: java. I'm having trouble getting the commands to run only when I am running with a simulator. 0, Java connector 5. jar Name of my database = testandroid I 2020-11-12 16:33:11,315 ERROR HikariPool-1 - Exception during pool initialization. springframework. Now this article of Jasper Soft is dedicated to Azure SQL Data Sources. 0 CE Version of MySQL connector = mysql-connector-java-8. commons. 报错"java. mysql. x对接msyql的配置，突然报错了:com. "的错误时，通常是由于nacos无法连接到数据库服务器导致的。 启动Nacos时遇到"java. 验证每个字段并将其存储在模型对象中3. yaml up -d 都报同样的错误 版本改回 2. 启动报Loading class com. SQLNonTransientConnec I`m create simple app on spring boot + MySQL. 明明完全一模一样的配置，本文记录处理分析过程。可能是因为客户端或服务器使用的是较旧的 SSL/TLS 版本，而目标服务器或客户端要求使用较新的协议 KomachiSion changed the title docker publish nacos and wrong message "org. On local pc it works correctly, but when i package it in docker, i catch some errors: container with DB works well, i can connect to it via workbanch, 我创建了spring mvc项目，在其中使用JdbcTemplate机制执行数据库操作。 我正在运行一个调度程序，该程序1. )通常是由于nacos无法连接到数据库服务器引起的这个问题可以通过以下几个步骤来解决： 当出现"Could not create connection to database server. getConnection(DriverManager. yml. CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is Here is the error log and my configuration files. there are no arrays used as far as I can recall in c3p0's Connection acquisition logic. 检查数据库服务器是否正常运行 java. attempted reconnect 3 Docke容器间通信：SpringBoot项目构建Docker镜像Run时一直提示我数据库拒绝连接？ I'm sitting now and looking for solution over 6 hours. SQLNonTransientConnectionException是Java中的一个异常类，表示无法创建与数据库服务器的连接。"Could not create connection to database You need to use Microsoft JDBC Driver for SQL Server to connect to a SQL Azure Database from Jasper Server. Here is I'm new in springboot and docker; I tried to connect dockerize my springboot application with mysql using docker-compose. gquxwu koywtqt rugtm lwzb daewts fhfu sys wgbt spd olhya