(errormessage);W.writeline ("________________________________________________________");W.flush ();W.close ();}}catch (Exception ex){Writeerror (ex. message);}}
Add the following code to the Application_Error of the Web Global.asax file
Copy Code code as follows:
void Application_Error (object sender, EventArgs e)
{
Code that runs when an unhandled error occurs
Exception objerr = Server.GetLastError (). GetBaseException ();
Log the IP address where the error occurred
Using Global.asax's Application_Error to implement error logging
Error log
Copy Code code as follows:
void Application_Error (object sender, EventArgs e)
{
Code that runs when an unhandled error occurs
Exception ex = Server.GetLastError (). GetBaseException ();
StringBuilder str = new StringBuilder ();
Str. Append ("\ r \ n" + DateTime.Now.ToString ("yyyy"). MM.DD HH:mm:ss "));
Str. Append ("\ r \ n. Customer information:");
s
Logging in Python
This article mainly introduces the logging module logging in Python, including the Log Level in Python and the use of common methods in the module. For more information, see
Many applications have log modules, which are used to record some key information about the system during its operation, so as to track the running status of the system. In.
The python logging module may be confusing.The python logging module is mainly a general-purpose log system provided by python. The method used is actually quite simple. The following describes how to call multiple python files when using the python logging module. Different logging methods are set for each file, which
In real life, logging is important. Bank transfer will have a record of the transfer, the aircraft during the flight, there will be a black box (flight data logger) to record everything during the flight. If there are any problems, people can use log data to figure out what exactly happened. Logging is equally important for system development, commissioning, and operation. Without
Python built-in Log Module logging Usage Details, pythonlogging
Introduction to the logging Module
The logging module of Python provides a common log system for third-party modules or applications. This module provides different log levels and records logs in different ways, such as files, http get/POST, SMTP, and Socket. You can even implement specific
Use python's logging module and pythonlogging Module
I. Starting from a use case
To develop a log system, you must output logs to the console and write log files.
Python code
Import logging
# Create a logger
Logger = logging. getLogger ('mylogger ')
Logger. setLevel (logging. DEBUG)
# Create a handler for wr
Logging Module Introduction
Python's logging module provides a common logging system that can be easily used by Third-party modules or applications. This module provides different log levels and can record logs in different ways, such as files, HTTP get/post,smtp,socket, etc., and can even implement specific logging m
Logging Module Introduction
Python's logging module provides a common logging system that can be easily used by third-party modules or applications. This module provides different log levels and can record logs in different ways, such as files, HTTP get/post,smtp,socket, etc., and can even implement specific logging m
The logging encapsulation of python is updated. Currently, it supports outputting data to the console, file, and socket at the same time. At the same time, you can clear all the handler of the root logger When configuring config_logging or config_logging_plus, avoid repeated output in some cases.DetailsCodeAs follows:
# -*-Coding: UTF-8 -*- ''' Modified on 2012-11-27 @ Summary: Clear old root logger handlers when reconfig
first, simple to use
Copy the Code code as follows:
Def testlogbasic ():
Import logging
Logging.basicconfig (filename = ' Log.txt ', FileMode = ' a ', level = logging. NOTSET, format = '% (asctime) s-% (levelname) s:% (message) s ')
Logging.debug (' This is a message ')
Logging.info ("This is a info")
Logging.disable (#logging). WARNING
Logging.warning ("This is
Python logging module is mainly Python provided by the general log system, the use of the method is actually very simple, this piece is not much introduction. The following is mainly about the use of the Python logging module, involving multiple Python file calls, and each file set the corresponding logging way different, may produce confusing phenomenon.The foll
Logging Log ModuleHttp://python.usyiyi.cn/python_278/library/logging.html Chinese officialhttp://blog.csdn.net/zyz511919766/article/details/25136485 Clear, essential for getting Startedhttp://my.oschina.net/leejun2005/blog/126713 inheritance is great.http://my.oschina.net/u/126495/blog/464892 Example AnalysisOne: OverviewIn a real project, you need to log some data and log it to a different storage unit, such as a database, text, or push to a graphica
Logging allows us to debug and track the behavior and status of an application at any time. Logging is an indispensable part of any large-scale application. Therefore, there are already many third-party logging tools that allow developers to write their own logging APIs. In fact, even JDK has a constructed
Apache log4j Study Notes:Http://www.cnblogs.com/TopZhujia/archive/2010/05/15/1789993.html
(Xml configuration file)
Below, the configuration file is Properties
Commons-logging + log4j Getting Started Guide [ZT] Original: Zhuang Xiaoli (liigo)Www.liigo.com2005-8-13
Why do I use both commons-logging and log4j? Why not only use one of them?The purpose of commons-Loggin is to provide a unified interface for "A
-- ============================================
-- LOGGING and NOLOGGING on table and index segments
-- ============================================
In some cases, you can use the log recording mode for the table segment and index segment, or you can use the mode of not logging. For example, you can
In NOLOGGING mode, logs must be recorded in scenarios with data guard or high availability, or even forcibly
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