logging

Suggestions required for generating this logging file structure in django project

Hi Can anyone please suggest how to generate log files having following directory-file structure using python logging in django project. logs/2009-03-09 /errors.log /warnings.log /info.log /emails.log /messages.log logs/2009-03-08 /errors.log /warnings.log ...

Logging InnerException using Log4Net

How do I log inner exception with Log4NET? This is my current conversion pattern: <conversionPattern value="%date [%appdomain] %-5level %logger [%property{NDC}] - %message%newline" /> ...

Log4Net performance

I have written a C# app that runs constantly in a loop and several threads write to a log4net file. The issue is that the longer the app is running, the more time it takes to complete a loop. I have run a ANTS Performance profiler, and noticed that most of this CPU time is spent logging with log4.net. The more verbose the logs the mor...

how do I catch errors globally, log them and show user an error page in J2EE app

I have searched this topic on google a bit and seen some best practices. But I need some specific advice. I am working on a J2EE app that has servlets/Struts2/Call to DAO's from JSP's. So the app is all kinds of messed up. Most of the data is fetched via stored procedures, which are being called by iBatis ORM/Spring. Sometimes when an ...

Naming a file generated using Log4net

I am using log4net to generate logs in my applicaiton. My requirement was to generate logs every minute. I have achieved this using RollingMode.Date. These files are named like: name.log.yyyyMMdd-HHmm. But my requirement is to generate the files with name like: name.log.n where n will be sequential number. Any help?? ...

Is there a way to set the maximum number of error messages a log4net memory appender can contain?

I would like to add a memory appender to the root logger so that I can connect to the application and get the last 10 events. I only ever want to keep the last 10. I am worried about this appender consuming all too much memory. The application is designed to run 24/7. Or is there another way? ...

Log format with delayed_job

I am writing to log/delayed_job.log from within a perform method: class MyWorker def perform logger.error("testing logger") end end In log/delayed_job.log my error message is printed but without any formatting (prefixed with the date/time) compared to the other messages logged by delayed_job: 2010-03-10T14:46:18-0400:...

Getting full logs from GAE

I'm not able to get logs of my GAE application, no matter if I try using GAE admin panel, nor appcfg.py --severity=0 --end_date=2010-03-07 request_logs . logs. It looks like I'm only able to browse latest logs in admin, or filter/download ERROR logs. DEBUG/INFO/WARNING ones from past days are innaccessible (i.e. GAE admin doesn't show ...

In my Apache2 access.log, how do I filter what gets displayed?

Someone told me to do this in order to keep track of latest people hitting my server: tail -f access.log However, this shows all the "includes", including the JS file, the graphics, etc. What if I just want to see the pages that people hit? How do I filter that using tail -f? ...

Best practices for logging in django project.

Hi It is always good to utilize existing patterns for solving the given problem rather then reinventing the wheel. This time it is about doing logging stuffs in django based project. Can you please share your ideas with me and other about how do you prefer to implement logging in django based project in the following context? What f...

Apache Custom Log Format to track complete file downloads

Hello, I am trying to write a reward system wherein users will be given reward points if they download complete files, So what should be my log format. After searching alot this is what I understand its my first time and havent done custom logs before. First of all which file should I edit for custom logs because this thing I cant fin...

On MacOSX, in a C++ program, what guarantees can I have on file IO

I am on MacOSX. I am writing a multi threaded program. One thread does logging. The non-logging threads may crash at any time. What conventions should I adopt in the logger / what guarantees can I have? I would prefer a solution where even if I crash during part of a write, previous writes still go to disk, and when reading back the lo...

MS SQL 2008 HowTo read from log

Hi ! I have a table with many rows, is there any way to find out when a concrete row has been inserted? (I don't have create/update time columns) Thanks ...

What is an appropriate way to separate lifecycle events in the logging system?

I have an application with many different parts, it runs on OSGi, so there's the bundle lifecycles, there's a number of message processors and plugin components that all can die, can be started and stopped, have their setup changed etc. I want a way to get a good picture of the current system status, what components are up, which have p...

Handling user interface in a multi-threaded application (or being forced to have a UI-only main thread)

In my application, I have a 'logging' window, which shows all the logging, warnings, errors of the application. Last year my application was still single-threaded so this worked [quite] good. Now I am introducing multithreading. I quickly noticed that it's not a good idea to update the logging window from different threads. Reading so...

Better way to make a bash script self-tracing?

I have certain critical bash scripts that are invoked by code I don't control, and where I can't see their console output. I want a complete trace of what these scripts did for later analysis. To do this I want to make each script self-tracing. Here is what I am currently doing: #!/bin/bash # if last arg is not '_worker_', relaunch with...

Read attributes of MSBuild custom tasks via events in the Logger

I am trying to write a MSBuild logger module which logs information when receiving TaskStarted events about the Task and its parameters. The build is run with the command: MSBuild.exe /logger:MyLogger.dll build.xml Within the build.xml is a sequence of tasks, most of which have been custom written to compile a (C++ or C#) solution, a...

Deactivate any calls to Log before publishing: are there tools to do this?

According to Google, I must "Deactivate any calls to Log methods in the source code" before publishing my Android app (section 4 of the publication checklist). My open-source project is large and it is a pain to do it manually every time I release. Additionally, removing a Log line is potentially tricky, for instance: if(condition) L...

How can I print the argument value that caused Exception in Java?

I am writing a parser for csv-files, and sometimes I get NumberFormatException. Is there an easy way to print the argument value that caused the exception? For the moment do I have many try-catch blocks that look like this: String ean; String price; try { builder.ean(Long.parseLong(ean)); } catch (NumberFormatException e) { Sy...

Struts and logging HTTP POST request body

I'm trying to log the raw body of HTTP POST requests in our application based on Struts, running on Tomcat 6. I've found one previous post on SO that was somewhat helpful, but the accepted solution doesn't work properly in my case. The problem is, I want to log the POST body only in certain cases, and let Struts parse the parameters from...