Actually:
First, use Windows as the environment:
Logs in Windows
Overview of log file types:1.The error log records the problems that occur when you start, run, or stop mysqld.My. ini configuration information:# Enter a name for the error log file.
PHPWarning: PHPStartup: Unabletoloaddynamiclibrary & amp; #39; E:/AppServ \ php5 \ ext \ php_exif.dll & amp; #39; solution: enable exif in Windows, in php. in ini, php_mbstring.dll must be in php_exif. PHP Warning: PHP Startup: Unable to load
During this time, we found that Oracle10g CRS was indeed a bit overbearing. In the last test, we unplugged the network cable from the PrivateIP Nic, and the operating system will restart. This time we modified the system time.
During this time, it
PHP outputs all error report error_reportingE_ALL settings. for example, the error message error_reportingE_ALL & amp; ~ is not displayed ;~ E_WARNING use the PHP function to set PHP. INIini_set () such as ini_set (error_reporting, E_ALL) to obtain
Back up the data file and follow these steps:
1. Create a database with the same name (the data file must be consistent with the original one)
2. Stop SQL server again (do not detach the database)
3. overwrite the new database with the data file of
Because 502 has occurred before, the log prompt
[27-may-2015 13:54:34] WARNING: [Pool www] seems busy (you could need to increase pm.start_servers, or pm.min/max_spare_servers), spawning Ren, there is all idle, and 602 total children
Then I
Last night Learning video "l11-16-configure MySQL to record Binlog and its production application W" from the library, the beginning of the section is jammed.In the configuration file/data/3307/my.cnf of the database, after opening the parameter
When you need to process the definition error log in a project, you need to modify the output of the custom error log (log, email, text)
I. Register_shutdown_function (Array (' Phperror ', ' shutdown_function ')); Defines a function that executes
I'm using apache2.2+php5.4, I'm writing a wrong extensions=xxx.dll in php.ini, and I don't see any messages about this wrong DLL in php.ini error_log. And Error.log under Apache's logs is also not looking at any of the DLL's information about this
PHP outputs all error reports error_reporting = E_ALL settings
For example, do not display warning error_reporting = E_ALL &~ E_WARNING
Use the PHP function to set PHP. INI ini_set () as shown in Figure
Ini_set ("error_reporting", E_ALL)
You
Have you found that the log files generated by Apache are day-to-day, not very big? If you installed apache on drive C, it would be terrible. In a few days, the hard disk will be full, which is terrible, is there a way to optimize the log to make it
Recently in the SMTP log to see an error, to share with you. Intercepted a section of the log, the error message is as follows:
The VIN. Users use the BIS to bind their own corporate post office. Sending a message is an error vin*@*.cn check for
If the keyword Error is used for an exception, we can create an exception instance like a new common object. var err = new Error ("this is an exception"). The attribute of the exception is as follows: description: error description fileName:
Thread1Cannot allocate new log, sequence466Private Strand Flush not complete current log#7 seq#465mem#0:/home/app/oracle/oradata/orcl/Redo07.logthread1advanced to log sequence466(LGWR switch) current log#8
As an important means of querying problems, log should be recorded as much as possible for you to query some problems. MySQL has the following types of logs:-log-err query log:-log slow query log:-log-slow-queries update log: -log-updat logs are an
Mysql-related log Summary
As an important means of querying problems, log should be recorded as much as possible for you to query some problems.
MySQL has the following types of logs:Error log:-log-err
Query log:-log
Slow query log:-log-slow-queries
The SAVE () method provides the function of adding data to the database, but can only be added. This Dao does not generate the update () method.However, you can simply rename the eight save () method with the update function: Change getsession ().
Mysql-related log summary and mysql Log Summary
As an important means of querying problems, log should be recorded as much as possible for you to query some problems.
MySQL has the following types of logs:Error log:-log-err
Query log:-log
Slow query
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