PS:一台物理机扯分了3个虚拟机,一个主db,一个主备,一个从备. 切换到0301的时候 Sep  6 09:16:16 prddb0301 mysqld: 130906  9:16:16 [Warning] Aborted connection 11203 to db: 'ide' user: 'nuc' host: 'prd01.mb.com' (Got an error writing communication packets) Sep  6 09:16:16 prddb0301 mys…

mysql错误日志中,发现大量以下类似信息:(mysql 5.7.18) [Note] Aborted connection 1055898 to db: 'xxx' user: 'yyy' host: 'xxx.xxx.xxx.xxx' (Got timeout reading communication packets) 这种Aborted connection情况下,mysql会增加aborted_clients状态计数器的值.这也意味着以下几个问题: (1)客户端正常连接,但是被异常结束…

前言: 有时候,连接MySQL的会话经常会异常退出,错误日志里会看到"Got an error reading communication packets"类型的告警.本篇文章我们一起来讨论下该错误可能的原因以及如何来规避. 1.状态变量Aborted_clients和Aborted_connects 首先我们来了解下Aborted_clients和Aborted_connects这两个状态变量的含义,当出现会话异常退出时,这两个状态值会有变化.根据官方文档描述,总结如下: 造成Abo…

想在Mac下使用locate时,提醒数据库没创建: WARNING: The locate database (/var/db/locate.database) does not exist. To create the database, run the following command: sudo launchctl load -w /System/Library/LaunchDaemons/com.apple.locate.plist Please be aware that the d…

WARNING: inbound connection timed out (ORA-3136) WARNING: inbound connection timed out (ORA-3136) Table of Contents 1. 错误信息 2. 伴生现象 2.1. SQLNET.LOG 2.2. 客户端 3. 分析 4. 解决 1 错误信息 有时候我们在alter 日志中发现如下错误: WARNING: inbound connection timed out (ORA-3136) 官方…

写了个脚本用cat>>EOF报错如下: input01.sh: line 11: warning: here-document at line 4 delimited by end-of-file (wanted `EOF')input01.sh: line 12: syntax error: unexpected end of file 原因:最后的EOF多了个空格,取消即可.…

StackOverflow https://stackoverflow.com/questions/5420656/unable-to-read-data-from-the-transport-connection-an-existing-connection-was-f https://briancaos.wordpress.com/2012/07/06/unable-to-read-data-from-the-transport-connection-the-connection-was-c…

公司一SQL Server镜像发生了故障转移(主备切换),检查SQL Server镜像发生主备切换的原因,在错误日志中发现下面错误: Date        2019/8/31 14:09:17   Log     SQL Server (Archive #4 - 2019/9/1 0:00:00)       Source      spid35s       Message   Database mirroring connection error 4 'An error occurred…

报错信息: Caused by: java.sql.SQLException: Io 异常: Invalid connection string format, a valid format is: "host:port:sid"     at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:112)    at oracle.jdbc.driver.DatabaseError.throwSql…

Start Failed, Internal error: recovering IDE to the working state after the critical startup error FOLLOW Serge Baranov Updated Yesterday at 06:05 Symptoms IDE shows the Start Failed dialog with the exception stacktrace and the following text: Intern…