Got Error 127 When Reading Table
Contents |
on August 6, 2011 by richard As we all know, MySQL tables are the most critical component of the database that allows you to save data in an organized form. As a result, mysql error 127 when fixing table you can easily access and get effective query results. But sometimes MySQL table
Mysql Repair Table
behaves unexpected behavior and give results as error messages in MySQL error log. The log, mysqld.log is most commonly found, mysqlcheck on Linux systems, in the /var/log directory. Recently I've been building a slowly changing dimension when I started noticing a number of my processes started failing with an error message of: [ERROR] Got error 127 when reading table When this error starts populating your logs, you will be unable to access any information from your MySQL table. The fix is easy, simply run a REPAIR TABLE on the affected table and your issue should be solved. mysql>REPAIR TABLE
Proudly powered by WordPress
ERROR_STORAGE_FAILURE. A little digging about, I stumbled across an error in the daemon.log file… 1 mysqld[4478]: 100112 20:31:04 [ERROR] Got error 127 when reading table g2_ItemAttributesMap Fortunately, most of the times, this is relatively easy to resolve1. 1 2 http://themanbehindthecode.com/2011/08/06/mysqls-error-127-when-reading-table/ 3 4 5 6 7 8 mysql> USE mydbname; mysql> REPAIR TABLE g2_ItemAttributesMap; +----------------------+--------+----------+----------+ | Table | Op | Msg_type | Msg_text | +----------------------+--------+----------+----------+ | g2_ItemAttributesMap | repair | status | OK | +----------------------+--------+----------+----------+ http://jon.netdork.net/2010/01/12/mysql-error-127-when-reading-table 1 row in set (0.01 sec) As you can see from the Msg_text column, the command completed OK. A quick refresh of the blog page, and the error is now gone, and the random picture is back… If not, I have backups↩ Posted by Jonathan Angliss linux, mysql, open source, repair, technology Tweet « Corral those processes... Server Outage... » Comments Please enable JavaScript to view the comments powered by Disqus. Recent Posts Set-DnsServerResourceRecord and OldInputObject Not Found Powershell and Single vs Double Quotes Replace SSL on Office Web Apps Farm and Certificate Not Found Powershell and Progress Feedback Custom Windows Installs, Injecting Drivers and Features Google+ Copyright © 2015 - Jonathan Angliss - Powered by Octopress
Alcaide Email Updates: Status: No Feedback Impact on me: None Category:MySQL Server Severity:S3 (Non-critical) Version:5.0.37, 5.0.36 OS:Linux (Linux kernel 2.4.20) Assigned to: Tags: corruption, error 127 View Add https://bugs.mysql.com/bug.php?id=27510 Comment Files Developer Edit Submission View Progress Log Contributions [29 Mar 2007 7:12] César Alcaide Description: mysqld logs error: [ERROR] Got error 127 when reading table './Aris/puerto' but table is not crashed It occurs when trying to read a row recently inserted show create table puerto: CREATE TABLE `puerto` ( `auto_n` double NOT NULL auto_increment, `texto` text, `Int_MD` timestamp NOT NULL default CURRENT_TIMESTAMP on update CURRENT_TIMESTAMP, error 127 PRIMARY KEY (`auto_n`) ) ENGINE=MyISAM AUTO_INCREMENT=8656 DEFAULT CHARSET=latin1 How to repeat: ejex("truncate table puerto"); ejex("insert into puerto (texto) values ('testing')"); while(true) $a = tot("select texto from puerto where auto_n = 1"); Suggested fix: Perhaps there is an litle interval of time when mysql believes record exists, but not yet available. [29 Mar 2007 11:06] Valerii Kravchuk Thank you for a problem report. Have you tried to run error 127 when CHECK TABLE for that table? Can you upload a dump of it? [29 Mar 2007 19:08] César Alcaide check table reports OK. The problem occurs even creating the table before. [8 Apr 2007 10:24] Lanny Walker I just received the same error. 070408 9:59:36 [ERROR] Got error 127 when reading table './buyer/item' mysql> check table item; +------------+-------+----------+----------+ | Table | Op | Msg_type | Msg_text | +------------+-------+----------+----------+ | buyer.item | check | status | OK | +------------+-------+----------+----------+ 1 row in set (1 min 33.55 sec) MySQL-server-enterprise-gpl-5.0.36-0.rhel4 Linux hostname.obscured.com 2.6.9-42.ELsmp #1 SMP Tue Aug 15 10:35:26 BST 2006 x86_64 x86_64 x86_64 GNU/Linux [12 Apr 2007 8:48] Valerii Kravchuk All reporters: Pleased, send the results of: getconf GNU_LIBC_VERSION getconf GNU_LIBPTHREAD_VERSION [12 Apr 2007 9:54] César Alcaide getconf GNU_LIBC_VERSION glibc 2.3.2 [root@infrarrlinuxaris root]# getconf GNU_LIBPTHREAD_VERSION NPTL 0.34 [12 Apr 2007 10:15] Valerii Kravchuk César, Please, upgrade your glibc! With that: glibc 2.3.2 NPTL 0.34 you are doomed. Alternatively, add export LD_ASSUME_KERNEL=2.4.1 to the script used to start MySQL server, restart it, and check if it will influence your case. [12 May 2007 23:00] Bugs System No feedback was provided for this bug for over a month, so it is being