logging

How do I use a custom log for my rake tasks in Ruby on Rails?

I have a rake task that calls functions like this: namespace :blah do task :hello_world => :environment do logger.info("Hello World") helloworld2 end end def helloworld2 logger.info("Hello Again, World") end I want the log output to a custom log, and I really don't want to have to pass a log reference every t...

How much time does a developer spend reviewing logs?

PCI/DSS has a requirement indicating that an application's log should be reviewed AT LEAST daily for security events. Most network/infrastructure professionals can review network device logs but won't be familiar with actual applications. The same can be said for most security professionals. So, are developers really stepping up to this...

How do you manage logging performance?

We have a message processing system where low latency is critical. Recently, I found that while we keep a high rate through our system we are seeing some "outliers." (Messages that take much longer then they should) When we removed logging our systems show none of these outliers. Right now our logging is basically just a wrapped os...

Logging strategy for XBAP Application.

We have a WPF Application that runs from both desktop and as a XBAP application.For the desktop application log4net based logging is provided.Now the thing is that log4net may not work on the XBAP version.So I am looking for some possible solution for logging.Has anyone done anything in the area? Suggestion are welcome.I'm looking for so...

ASP.Net MVC Exception Logging combined with Error Handling

Hi. I am looking for a simple solution to do Exception Logging combined with Error Handling in my ASP.Net MVC 1.0 application. I've read lots of articles, including Questions posted here on StackOverflow, which all provide varying solutions for different situations. I am still unable to come up with a solution that suits my needs. Here...

Storage of many log files

I have a system which is receiving log files from different places through http (>10k producers, 10 logs per day, ~100 lines of text each). I would like to store them to be able to compute misc. statistics over them nightly , export them (ordered by date of arrival or first line content) ... My question is : what's the best way to ...

How to Write Java server logs to separate log file

Hi, Right now we are using a customized logger method for our application but now we have a stand alone code for which we need to write to a separate log file. We have little idea about log4j. I just want to know where to change properties if any so that i don't disturb the existing logger application as well as we write our logs into...

Logging raw HTTP request/response in ASP.NET MVC & IIS7

I'm writing a web service (using ASP.NET MVC) and for support purposes we'd like to be able to log the requests and response in as close as possible to the raw, on-the-wire format (i.e including HTTP method, path, all headers, and the body) into a database. What I'm not sure of is how to get hold of this data in the least 'mangled' way...

Log management&analysis Open Source product

My company is searching for an Open Source product that could do log management and analysis (edit: we'd use the product to handle custom log files - the ones generated by our applications, not standard logs) We've had demos for some proprietary products (for example, Sensage or HP's Transaction Vision), but we'd like to find an Open So...

How do I configure log4net such that properties of an object can be mapped to the log output?

I am attempting to provide a means to log errors that occur in our Flex client by providing a SOAP web service which takes as a single parameter a LogMessage object. public class LogMessage { public string Message { get; set; } public string Exception { get; set; } public string Version { get; set; } public string User {...

Print full call stack on printStackTrace()?

I need to write small a log analyzer application to process some log files generated by a 3rd party closed source library (having custom logger inside) used in my project. In case of an exception entry in the log I need to collect aggregated information about the methods involved along the stack trace from the top to the actual place o...

Is it dangerous thing to view access log without sanitizing via web browser?

Is it dangerous thing to view access log without sanitizing via web browser? I am considering to record access log, and I am considering to view it via wev browser, but if attacker modifies his remote host or user agent or something, can he attack to me? By inserting attacking code into his remote host or user agent or ect. So do I ne...

Average Logins per day SQL Query

Hi, I have a users table in MSSQL and i want to find out the average number of logins for all users per day? I am thinking something with division but not entirely sure the USER table looks like this [ID] ,[APPLICATION_ID] ,[LOGIN_NAME] ,[EMAIL] ,[MOBILE_PHONE1] ,[MOBILE_PHONE2] ,[TITLE] ,[FIRST_NAME] ,[LAST_NAME] ...

How to log an application's entire stacktrace in .net

I've just started work on an existing .net application with about 40 active projects. While familiarizing myself with the project, I find myself constantly stepping through the application just to learn the structure and logic flow. It would make this process so much easier if I could let the application run and log every method call and...

Object Disposed Exception when using .Net Trace Source within VS UNit Tests

I'm getting an Object Disposed Exception when I try to call TraceSource.TraceData with my VS2008 unit test project. I have included a very small code sample below which consistently repros the issue. I'm only seeing this after I run my first unit test - but I have a hunch it'll affect me once my website is up and running with lots of u...

Parsing a growing logfile

I want to do a logfile parser using ruby, this parser should parse the log file while it grows. It should parse line by line until the end and then wait (somehow?) for more lines to come, so my question is how to best handle it growing? edit: Would prefer a portable way of doing this, even though my logfile is on Windows (for the moment...

Visual Studio 2008 crashes when displaying XAML view. How to get more information?

I am developing a Silverlight app using VS2008 Express. I have just implemented a new user control and have added it to a Grid. When I try to open a XAML view which contains this control, VS crashes and restarts. Where can I look for more information? Is there an event log in VS? Update I found my problem which was a circular referen...

At what stage do you add logging & tracing in OO?

I'm interested at what stage in your development do add logging and/or tracing to your applications? I'm working with a .Net stack and log4net (via commons.logging). Generally taking a TDD approach to development although admittedly not 100%, sometimes Im know to spike out without test coverage. My application all sit server-side, e.g. ...

How to log every single access to my website with 2 different domains

I have two different domains that both point to my homepage in the same server. I want to log every single access made to my homepage and log which domain the user used to access my homepage, how can I do this? I tried mod_rewrite in Apache and logging to a MySQL database with PHP but all I could do was infinite loops. Any ideas? EDI...

Server Logging - in Database or Logfile?

I've been working on a server and I'm starting to implement logging. However, I'm not sure whether I should use the db for logging, or just a plaintext file. I'm planning on logging some basic information for every request (what type of request, ip address of request, session tracking). For some requests there will be extended informa...