本周技术关注[面向webapps运维]： Mysql Host '...' is blocked 错误 - Metro的

最新推荐文章于 2025-03-06 15:12:58 发布
最新推荐文章于 2025-03-06 15:12:58 发布 · 152 阅读 · 0
文章标签：

#MySQL #Linux #ASP.net #ASP #SQL Server

本文探讨了LAMP架构服务器的性能优化建议及如何设置负载均衡的MySQL集群。介绍了使用性能分析工具如vmstat、iostat和sar的方法，以及在Linux系统下提升服务器性能的技巧。

2006-4-28

2006-4-27

2006-4-26

  • [run2tech] Linux System Administration: First Tasks | Linux Journal #
    Linux system administration has a place of its own in the hierarchy of information technology specializations. Some people excel in special areas of free software technology but haven't needed to learn system administration. For example, you may specialize in configuring e-mail or writing applications using Apache and MySQL. You may focus only on Domain Names Services and know esoteric ways of setting up servers on provider lines that frequently change IP addresses. But if I asked you to babysit a busy server or servers, you might not have the temperament or have learned the plethora of skills required to do so.
  • [Unix&Linux Platforms] Linux Today - Linux Forums: Linux Performance Tuning #
    'This is probably the first thing you want to know. When a distribution is packaged and delivered to clients, it is designed to be fully compatible with most of the computers available in the market. This is a very heterogeneous set of hardware (hard disks, video cards, network cards, etc.). So distribution vendors like Red Hat, SuSe, Mandriva and the rest of them choose some conservative configuration options to assure a successful installation.
  • [MySQL &PostgreSQL] Linux Today - HowtoForge: How To Set Up A Load-Balanced MySQL Cluster #
    'This tutorial shows how to configure a MySQL 5 cluster with three nodes: two storage nodes and one management node. This cluster is load-balanced by a high-availability load balancer that in fact has two nodes that use the Ultra Monkey package which provides heartbeat (for checking if the other node is still alive) and ldirectord (to split up the requests to the nodes of the MySQL cluster). 'In this document I use Debian Sarge for all nodes. Therefore the setup might differ a bit for other distributions. The MySQL version I use in this setup is 5.0.19. If you do not want to use MySQL 5, you can use MySQL 4.1 as well, although I haven't tested it...'
  • [Unix&Linux Platforms] About Mono - Mono #
    Mono, the open source development platform based on the .NET framework, allows developers to build Linux and cross-platform applications with improved developer productivity. Mono's .NET implementation is based on the ECMA standards for C# (http://www.ecma-international.org/publications/standards/Ecma-334.htm) and the Common Language Infrastructure (http://www.ecma-international.org/publications/standards/Ecma-335.htm).
  • [run2tech] Linux.com | Running .Net applications on Linux with Mono #
    Mono is an open source project (sponsored by Novell) that allows you to run .Net applications on Linux (as well as Unix, Mac OS X, Solaris and even Windows). To obtain it, go to the Mono download page and find the version you need for your distro.
  • [run2tech] Linux.com | How to configure a low-cost load-balanced LAMP cluster #
    A LAMP cluster is not the Beowulf kind of cluster that uses specialized message-passing software to tackle a computation-intensive task. It does not cover high availability features, such as automatic failover. Rather, it is a load-sharing cluster that distributes Web requests among multiple Web and database servers while appearing to be a single server.

2006-4-25

  • [IIS and Web Administration] Always set the 'applicationName' property when configuring ASP.NET 2.0 Membership and other Providers #
    You develop an ASP.NET 2.0 application locally using the new ASP.NET 2.0 Membership, Roles or Profile features. You create several new users and everything works fine. You then copy the application to a remote server (or even another directory on your local server) and run the application. For some reason it appears that you are able to connect to your membership database just fine – but when you try to login it doesn’t let you. It doesn’t throw a connection error, but rather when you attempt to login you get an error message that says something like: “Login attempt unsuccessful, please try again.”

2006-4-24

2006-4-23

2006-4-22

iteye_20954
关注
tomcat-admin-webapps-7.0.76-15.el7.noarch.rpm
12-24
官方离线安装包，测试可用。使用rpm -ivh [rpm完整包名] 进行安装
运维工程师笔试题.doc
06-02
【运维工程师笔试题】 在运维领域，笔试题通常用来评估候选人的基础知识和技能。这份运维工程师的笔试题主要涵盖了Linux系统知识和Web容器两大主题，包括填空题、选择题和简答题。以下是对这些知识点的详细解释： ...
MySQL无法连接[MySql Host is blocked because of many connection errors]
走过的足迹
02-19 1万+
测试环境，发现数据库（MySQL数据库）无法登录，报错如下： Host is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts' 上网查到解决方案，转载如下：http://www.cnblogs.com/susuyu/archive/2013/05/28/3104249.h
MySql Host is blocked because of many connection errors
qq_43380361的博客
05-21 267
解决MySql Host is blocked because of many connection errors 方法 错误：Host is blocked because of many connection errors; unblock with ‘mysqladmin flush-hosts’ 原因： 　　同一个ip在短时间内产生太多（超过mysql数据库max_connection_errors的最大值）中断的数据库连接而导致的阻塞； 解决办法2种： 1.到安装bin目录下，使用mysqlad
MySql Host is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts' 解决方法...
weixin_30493401的博客
05-28 1459
环境：linux，mysql5.5.21 错误：Host is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts' 原因： 　　同一个ip在短时间内产生太多（超过mysql数据库max_connection_errors的最大值）中断的数据库连接而导致的阻塞； 解决方法： 1、提...
连接MySQL报错：Host ‘XXXXXX’ is blocked because of many connection errors的解决和一点思考
今天的我还菜嘛
01-14 4733
之前用的比较多的是mongodb，和前端搭配使用起来还算得心应手。周末做的项目用的数据库是MySQL，之前接触的不多，调试起来也是各处都是坑，记录下～ error: Host is blocked because of many connection errors 报错意思是，多次连接错误库导致MySQL直接启动防御模式，不允许连接了，也就是对IP地址进行封锁了。这样的机制也能理解且非常有必要，要防止某些脚本恶意暴力破解密码，从而泄露数据内容。 解决办法 解决办法有两种： 一、进入MySQL配置文件删除
is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts'" 异常的处理...
weixin_33688840的博客
04-01 178
message from server: "Host 'svctag-4l5293x' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts'" at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1073) at co...
tomcat-admin-webapps-7.0.76-16.el7-9.x64-86.rpm.tar.gz
03-12
1、文件内容：tomcat-admin-webapps-7.0.76-16.el7_9.rpm以及相关依赖 2、文件形式：tar.gz压缩包 3、安装指令： #Step1、解压 tar -zxvf /mnt/data/output/tomcat-admin-webapps-7.0.76-16.el7_9.tar.gz #Step2、...
tomcat-webapps-7.0.76-16.el7-9.x64-86.rpm.tar.gz
03-12
1、文件内容：tomcat-webapps-7.0.76-16.el7_9.rpm以及相关依赖 2、文件形式：tar.gz压缩包 3、安装指令： #Step1、解压 tar -zxvf /mnt/data/output/tomcat-webapps-7.0.76-16.el7_9.tar.gz #Step2、进入解压后的...
red5-1.0.0-webapps-demos.zip
11-15
标题中的"red5-1.0.0-webapps-demos.zip"表明这是一个关于Red5服务器的Web应用程序示例的压缩包。Red5是一款开源的流媒体服务器，它支持实时流传输协议（RTMP）、文件录制、播放以及直播等功能。1.0.0是其版本号，...
连接MySQ时报错：Host X is blocked because of many connection errors； unblock with ‘mysqladmin flush-hosts‘
shaofu4922的博客
03-06 814
输入MySQL root用户密码执行命令。：通过mysqladmin命令。：通过MySQL命令行。
mysql “Host is blocked because of many connection errors”
m0_37312111的博客
12-05 560
1.提高允许的max_connection_errors数量，首先查看该属性设置为多大  命令：show global variables like '%max_connect_errors%'; 2.当客户端连接服务端超时(超过connect_timeout), 服务端就会给这个客户端记录一次error，当出错的次数达到max_connect_errors的时候，这个客户端就会被锁定。所以根
mysql 错误：Host is blocked because of many connection errors； unblock with ‘mysqladmin flush-hosts‘
xiaokungying的博客
03-17 3539
mysql 错误：Host is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts' 排查记录
解决MySql Host is blocked because of many connection errors 方法
热门推荐
zaishijizhidian的博客
10-24 3万+
错误：Host is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts'   原因： 　　同一个ip在短时间内产生太多（超过mysql数据库max_connection_errors的最大值）中断的数据库连接而导致的阻塞；   解决办法2种： 到安装bin目录下，使用mys...
MYSQL不能连接了，错误ERROR 1129 (00000): Host ” is blocked because of many connection errors；
craftsman2020的博客
03-07 3931
MYSQL不能连接了，错误ERROR 1129 (00000): Host ” is blocked because of many connection errors;
MYSQL不能连接了，错误ERROR 1129 (00000): Host ” is blocked because of many connection errors;
高峰的博客
08-24 1万+
MYSQL连接报错，错误ERROR 1129 (00000): Host ” is blocked because of many connection errors;有一次在工作中偶然遇到了这个问题，我的可以连接没问题，同事说数据库连不上，开始以为连接数太小了，后来发现连接数够大，于是上网查询到了解决方法：错误的大意：有太多连到mysql服务器的连接，连到一半就断了，也就是说尝试连接mysql没有
message from server: "Host 'XXXX' is blocked because of many connection errors
KarryChang的博客
03-23 1万+
java.sql.SQLException: null,  message from server: "Host '10.21.5.91' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts'"数据库多次 错误连接 造成 屏蔽了当前ip连接数据库的请求解决方案 选中数据库----刷新-...
MySql Host is blocked because of many connection errors 解决方法
程序猿的世界
06-17 1万+
mysql报错：Host 'XXX.XX.XX.XX'is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts 意为：由于许多连接错误，主机“XXX.XX.XX.XX”被阻止；请使用“mysqladmin flush hosts”取消阻止 结局方案： 1、增加mysql的最大错误连...
远程连接服务器数据库报错：Host ‘XXXXXX’ is blocked because of many connection errors
ammengke的专栏
07-26 552
转载地址：https://blog.csdn.net/li_li_lin/article/details/72764683 一、我遇到的问题描述 使用Navicat for mysql连接公司的服务器数据库，报错：Host ‘XXXXXX’ is blocked because of many connection errors 二、出现错误原因 同意ip在短时间内产...
version: '3.3' services: mysql: image: mysql:5.7 container_name: mysql environment: MYSQL_ROOT_PASSWORD: Zzerp123 MYSQL_DATABASE: wms volumes: - ./sqlmod.cnf:/etc/my.cnf.d/sqlmod.cnf - ./init.sql:/docker-entrypoint-initdb.d/init.sql ports: - "3306:3306" networks: - jeewms-network tomcat: image: 192.168.1.59/proxy/tomcat:7 container_name: tomcat ports: - "8080:8080" networks: - jeewms-network depends_on: - mysql extra_hosts: - "host.docker.internal:host-gateway" volumes: - ./jeewms.war:/usr/local/tomcat/webapps/jeewms.war command: > sh -c " echo '等待60秒确保MySQL就绪...' && sleep 60 && catalina.sh run " network_mode: "service:mysql" 文件内容是这个
最新发布
06-03
<think>好的，我现在需要帮助用户解决docker-compose.yml文件中第16行第11列附近的错误，涉及MySQL和Tomcat服务配置。首先，我需要回忆用户之前的提问和我的回答。用户之前询问过关于docker-compose.yml配置错误的修复指南，现在具体问题出现在第16行附近，涉及MySQL和Tomcat。首先，我需要确定用户的具体错误是什么。用户提到的是第16行第11列附近的错误，可能涉及语法问题，比如缩进不正确、格式错误，或者服务配置中的参数问题。由于涉及MySQL和Tomcat，这两个服务的常见配置问题可能包括端口映射、环境变量、卷挂载等。 接下来，我应该参考之前的回答，特别是关于YAML语法、服务层级、端口格式等内容。之前的指南中提到，YAML要求严格缩进，通常使用两个空格；端口映射需要引号；环境变量需要正确格式；服务必须顶格在services下。此外，用户可能遇到的问题可能包括服务名称未对齐，或者缩进不正确导致的服务层级错误。 现在，用户的具体错误在第16行附近。假设用户的docker-compose.yml文件结构如下：services:mysql:image:mysql:8.0ports:- "3306:3306"environment:MYSQL_ROOT_PASSWORD:exampletomcat:image: tomcat:9.0ports:-8080:8080#第16行，第11列这里，Tomcat的端口配置可能缺少引号，导致YAML解析错误。因为之前的回答中提到端口映射需要引号，而用户可能在这里忘记添加，导致第16行第11列出现语法错误。此时，正确的修复应该是将端口改为"8080:8080"。另外，可能还有其他问题，比如环境变量中的值没有引号，或者缩进不正确。例如，如果MySQL的环境变量写成MYSQL_ROOT_PASSWORD=example而没有使用引号，可能在值中有特殊字符时导致问题。不过，YAML中环境变量通常可以不用引号，除非值中包含冒号或空格等特殊字符。 此外，服务定义是否正确顶格在services下？例如，如果mysql或tomcat服务没有正确缩进，可能会导致层级错误。例如：services:mysql:#错误的缩进，应该两个空格image:mysql:8.0这会导致解析错误，因为服务名称应该缩进两个空格在services下。但用户的问题在第16行，可能Tomcat服务的配置中存在此问题。另外，检查是否有其他语法错误，比如遗漏的冒号、短横线后的空格不正确等。例如，ports下的每个端口映射应该以短横线开头，后面有空格，然后是带引号的端口字符串。 现在，用户提到错误在line16column11附近，可能是在Tomcat的ports部分。例如：ports:-8080:8080#短横线后没有空格，导致错误此时，正确的写法应该是-"8080:8080"，短横线后有一个空格，端口号用引号括起来。这种情况下，第16行第11列可能指向端口号的开头，即缺少空格或引号。总结可能的错误点： 1.端口映射缺少引号，导致YAML解析错误。2.短横线后缺少空格。3.服务层级缩进不正确，导致服务定义在错误的位置。针对这些可能性，我需要给出具体的修复步骤，包括检查缩进、引号、空格，以及使用docker-compose config命令验证配置。此外，用户可能还希望了解如何验证修复后的配置，以及如何重启相关服务而不影响整个栈。例如，修改环境变量后如何仅重启特定服务，或者如何检查服务日志以确认问题是否解决。 最后，生成相关问题，帮助用户进一步理解docker-compose的配置和故障排除。</think>### Docker-compose.yml配置错误排查与修复指南（MySQL/Tomcat） --- #### 一、定位第16行错误（Tomcat/MySQL服务） 1. **典型错误场景分析** ```yaml # 错误示例（Tomcat端口映射） tomcat: ports: -8080:8080 # 第16行错误：短横线后缺少空格，端口未加引号 ``` - **错误特征**：YAML解析器会报`could not find expected ':'`或`mapping values are not allowed here`[^1] - **修复方法**： ```yaml ports: - "8080:8080" # 正确格式：短横线+空格+引号包裹端口 ``` 2. **MySQL服务常见问题** ```yaml mysql: environment: MYSQL_ROOT_PASSWORD=secret # 错误：应使用`KEY: VALUE`格式 volumes: -mysql_data:/var/lib/mysql # 错误：卷名缺少引号 ``` - **修复方法**： ```yaml environment: MYSQL_ROOT_PASSWORD: "secret" volumes: - "mysql_data:/var/lib/mysql" ``` --- #### 二、验证与修复流程 1. **语法检查命令** ```bash docker-compose config # 直接显示错误行号及原因[^1] ``` 2. **错误修复矩阵** $$ \begin{array}{|l|l|} \hline \text{错误提示} & \text{解决方案} \\ \hline \text{line 16: could not find expected ':'} & \text{检查端口映射短横线后的空格} \\ \text{service "tomcat" has undefined variable} & \text{环境变量使用`environment:`而非`env_file:`时需明确定义} \\ \text{Invalid service definition 'mysql'} & \text{检查服务名称缩进（必须2空格）} \\ \hline \end{array} $$ --- #### 三、服务配置验证方法 1. **MySQL连接测试** ```bash docker-compose exec mysql mysql -uroot -p$MYSQL_ROOT_PASSWORD -e "SHOW DATABASES;" ``` 2. **Tomcat服务验证** ```bash curl -I http://localhost:8080 # 检查HTTP响应状态码 docker-compose logs tomcat | grep "Catalina.start" # 查看启动日志[^1] ``` --- #### 四、热更新技巧 1. **环境变量修改后局部重启** ```bash docker-compose stop tomcat && docker-compose rm -f tomcat && docker-compose up -d tomcat ``` 2. **仅重建配置变更的服务** ```bash docker-compose up -d --no-deps --build tomcat # 不重建依赖项[^1] ``` ---
评论
成就一亿技术人!
拼手气红包6.0元
还能输入1000个字符
 
红包 添加红包
表情包 插入表情
表情包 代码片
 条评论被折叠 查看
添加红包

请填写红包祝福语或标题

个

红包个数最小为10个

元

红包金额最低5元

当前余额3.43元 前往充值 >
需支付：10.00元
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付元
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明：

1.余额是钱包充值的虚拟货币，按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载，可以购买VIP、付费专栏及课程。

余额充值