By connecting to MQSeries withing a .NET application, first it has to be done is to install MQ Series client at the machine which will host the application.To do that, you can obtain for example the trial version of WebSphere MQ. During installation…

参照 http://stackoverflow.com/questions/4448467/cant-connect-to-local-mysql-server-through-socket-var-lib-mysql-mysql-sock Are you connecting to "localhost" or "127.0.0.1" ? I noticed that when you connect to "localhost" the so…

两台主机A.B搭建mysql主从复制关系(A为master,B为slave)后,在slave上执行show slave status,结果中显示Last_IO_Error: error connecting to master 'replication@VMS00782:3306'…… 首先查看B的错误日志文件,发现如下错误: ERROR] Slave I/O: error connecting to master 'replication@VMS00782:3306' - retry-time…

nginx一直报错, 2016/12/02 10:23:19 [error] 1472#0: *31 connect() failed (111: Connection refused)while connecting to upstream, client: 101.18.123.107, server: localhost 网上说是php相关的,但是我没有使用php. 我这边是因为远程服务器(client)要ping我的服务器,但是我的服务器禁用了ping,一直出错.允许ping即可.…

配置好lamp后,在浏览器中运行程序后,出现上面的错误. 转自:http://www.xuejiehome.com/blread-1828.html I'm experiencing 502 gateway errors when accessing a PHP file in a directory (http://domain.com/dev/index.php), the logs simply says this: // :: [error] #: * connect() failed…

简短地记录下,今天排除的spyder的BUG, 现象:打开Spyder时其他正常,但是Ipython console 不能正常获取到kernel,一直转圈,显示“connecting to kernel”,新启动一个,重启程序,重启机器都不行, 解决方案:看stackoverflow上说重置Anaconda设置,后来知道了怎么回事之后觉得这样做应该能行,但是没找着怎么重置,stackoverflow上的问题, 想了一下,之前手贱,修改了上面的一个路径指向了自己的程序目录,就是红框框里那个,把它指…

/*************************************************************************** * socket() failed (13: Permission denied) while connecting to upstream * 说明: * 这个错误隐藏的挺深的,观察了许久,才从ps aux中的执行用户中找出来. * * 2016-9-26 深圳 南山平山村 曾剑锋 ******************************…

[Connecting Physics Bodies] The kinds of joints you can create in Sprite Kit. You add or remove joints using the physics world. When you create a joint, the points that connect the joint are always specified in the scene’s coordinate system. This may…

原文地址:MySQL 5.6主从Slave_IO_Running:Connecting/error connecting to master *- retry 作者:忆雨林枫 刚配置的MySQL主从,在从机上看到 点击(此处)折叠或打开 mysql> SHOW slave STATUS \\G *************************** 1. row *************************** Slave_IO_State: Connecting to master Ma…

  问题现象:在点击仿真是出现连接错误: Error connecting to the target: (Error -151 @ 0x0) One of the FTDI driver functions used during the connect returned bad status or an error. The cause may one or more of: invalid emulator serial number, blank emulator EEPROM, mis…

mysql 主从复制问题整理   问题:      1045 | error connecting to master 'slave_user@192.168.0.75:3306' - retry-time: 6 原因: 其实是MySQL的验证没有通过 解决: 主要是主从服务器上的密码不正确导致.需要检查master和slave中的配置, master GRANT REPLICATION SLAVE ON *.* TO 'slave_user'@'%' IDENTIFIED BY '';   s…

Manually connecting to the Oracle Linux Yum Server 1. Download and Install Oracle Linux   Note: The Oracle Linux Yum Server is already configured on Oracle Linux 5 Update 7 and Oracle Linux 6 Update 3 and higher. No further configuration is necessary…

主从同步出现一下错误: Slave_IO_Running: ConnectingSlave_SQL_Running: Yes 解决方法: 导致lave_IO_Running 为connecting 的原因主要有以下 3 个方面: 1.网络不通2.密码不对3.pos不对 我敢肯定的并且排除的两个原因 1. 网络原因:在从库上拷贝主库上的备份文件的时候并没有出现任何的错误,因此可以排除.2. POS 不对:这个我也可以排除,因为在主库上 show maste status 时我记录过了 POS,所以…

在微博小系统的调试过程中: (1)登入登出可以正常显示,就是在注册的时候网络连接突然停止,但是用户名和密码已经存入数据库中,报错为:undefined is not a function 错误主要指向Use.js中的一句话:mongodb.close(); 解决方案:因为mongodb版本高于1.3.0,所以认为mongodb.close()这个函数未定义而当做函数来用,直接把mongodb.close()这句话注释掉则系统可以正常注册运行: (2)注释掉mongodb.close()以后系统又…

(1)nodejs:注册登录session出错 解决办法: 在app.js 中将var MongoStore =  require(connect-mongo')改为var MongoStore =  require(connect-mongo')(express) 即可: (2)连接Mongodb数据库时Error connecting to database解决方案 这种情况下是自己的mongodb数据库没有装好 解决办法: a.在官网上下载安装数据库 b.在mongodb文件夹里面新建文件…

两台主机A.B搭建mysql主从复制关系(A为master,B为slave)后,在slave上执行show slave status,结果中显示Last_IO_Error: error connecting to master 'replication@VMS00782:3306'…… 首先查看B的错误日志文件,发现如下错误: ERROR] Slave I/O: error connecting to master 'replication@VMS00782:3306' - retry-time…

刚刚配置hadoop,namenode常开,但datanode但保留了错误.但不启动: 2014-05-04 10:43:33,970 WARNorg.apache.hadoop.hdfs.server.datanode.DataNode: Problem connecting to server:hadoop1/192.168.10.22:9000 2014-05-04 10:43:55,009 INFOorg.apache.hadoop.ipc.Client: Retrying connec…

E. Connecting Universities time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output Treeland is a country in which there are n towns connected by n - 1 two-way road such that it's possible to get f…

Connecting Universities Treeland is a country in which there are n towns connected by n - 1 two-way road such that it's possible to get from any town to any other town. In Treeland there are 2k universities which are located in different towns. Recen…

E. Connecting Universities time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output Treeland is a country in which there are n towns connected by n - 1 two-way road such that it's possible to get f…

使用nginx时, 有可能遇到connect() failed (111: Connection refused) while connecting to upstream的问题. 如果upstream是fastcgi://127.0.0.1:9000,造成这个问题的原因大致有三个 1.php-fpm没有安装 centos安装php php-fpm 以及 配置nginx 2.php-fpm没有运行 可查看端口是否存在,默认端口是9000 netstat -ant | /usr/local/php…

错误来源:Centos 7 上使用nginx为Node.js配置反向代理时产生(13: Permission denied) while connecting to upstream的错误 nginx配置文件内容如下: upstream node_server { server 127.0.0.1:5000 max_fails=3 fail_timeout=4s; server 127.0.0.1:5001 max_fails=3 fail_timeout=4s; } server { list…

When we try to transplant ubus to uclinux, ubusd can't run but "ubus list" will hang up. 1. netstat -anp unix  2      [ ]         STREAM     CONNECTING         0 -                   /var/run/ubus.sock 2. client is blocked at read() system call 3…

centos7.4 创建kvm虚拟机时报错 问题: [root@oldboy ~]# virt-install --virt-type kvm --os-type=linux --os-variant rhel7 --name centos7 --memory 1024 --vcpus 1 --disk /opt/centos2.raw,format=raw,size=10 --cdrom /root/CentOS-7-x86_64-DVD-1804.iso --network network=…

$ pip install redis>>> import redis>>> conn = redis.Redis()>>> conn.keys('*')Traceback (most recent call last): File "/home/henry/.local/lib/python3.5/site-packages/redis/connection.py", line 484, in connect sock = sel…

很多时候,就算thread 正在进行,也不代表没有错误,一定要看看具体表示错误的变量 mysql> show slave status\G *************************** 1. row *************************** Slave_IO_State: Connecting to master Master_Host: 192.168.1.107 Master_User: repl Master_Port: 3306 Connect_Retry: 60…

本文转自https://www.cnblogs.com/hellotracy/articles/5183057.html因为碰到同样的问题所以记录下. 很多时候,就算thread 正在进行,也不代表没有错误,一定要看看具体表示错误的变量 mysql> show slave status\G *************************** 1. row *************************** Slave_IO_State: Connecting to master Mast…

安装好nginx,php环境后,配置虚拟主机,结果访问后就报502 gateway,查看日志文件后,显示错误如下: 2019/04/29 16:24:39 [error] 19433#19433: *1 connect() failed (111: Connection refused) while connecting to upstream, client: 192.168.1.52, server: 192.168.1.222, request: "GET / HTTP/1.1"…

如果在Symantec Backup Server上推送Symantec Backup Exec Agent到数据库服务器遇到“"Error connecting to the remote computer. Ensure that the computer is available, has WMI enabled and is not blocked by a firewall"这个错误, 如下截图所示 那么完全可以参考下面官方提供的三个解决方案解决问题,几次碰到这个问题,每次都…

[参考]Timeout expired 超时时间已到. 达到了最大池大小 错误及Max Pool Size设置 [参考][数据库-MySql] MySqlConnection error connecting: Timeout expired. [参考]查看mysql数据库连接数.并发数相关信息的命令 解决方案: 1.如果是操作同一个数据库,建议只创建一次MySqlConnection且open一次,其他操作都调用这一个连接 new MySqlConnection(connString);  M…