Vidar's musings - Latest Comments

Re: Log4Net: writing log entries to Azure Table Storage

Marek Olszewski — Thu, 26 Apr 2012 17:17:36 -0000

Hi, very interresting article! However when I deploy Your logger locally and connect it with azure table I receive sometimes exception: Collection was modified; enumeration operation may not execute. in:
internal void Log(LogEntry logEntry)
{
AddObject("LogEntries", logEntry);
SaveChanges(); <--- here
}
By sometimes I mean once for 4 invokations.

Cheers
Mark

Re: Log4Net: writing log entries to Azure Table Storage

Robert — Wed, 25 Apr 2012 17:32:29 -0000

For anyone interested, this is how you actually do the logging.

var logger = new AzureTableStorageAppender();
logger.TableStorageConnectionStringName = "Log4Net.ConnectionString";
logger.ActivateOptions();

var loggingEventData = new LoggingEventData();
loggingEventData.Message = message;
loggingEventData.TimeStamp = DateTime.Now;
loggingEventData.Level = new Level(1, "OMG");
loggingEventData.LoggerName = loggerName;
loggingEventData.Domain = domain;
loggingEventData.ThreadName = threadName;
loggingEventData.Identity = identity;
var loggingEvent = new LoggingEvent(loggingEventData)'

logger.DoAppend(loggingEvent);

Re: Using Log4Net in Azure Compute

rvitulli — Wed, 18 Apr 2012 12:27:43 -0000

Many thanks.

Is it possible to change the Blob file name at runtime? How can it be done?

Thanks again.

Re: Sending POST requests with Watin

Rory Primrose — Mon, 16 Apr 2012 19:10:59 -0000

Thanks for this. I'm just about to try it out. One thing I have picked up though is that the appending of the form data in MakeByteStreamOf should url encoded the key and value. The values with this code are posted in their original form.

Re: Using Log4Net in Azure Compute

sebastian gomez — Wed, 11 Apr 2012 17:43:12 -0000

Excelent, simple and very useful post!

Re: NLog: writing log entries to Azure Table Storage

Vidar Kongsli — Wed, 11 Apr 2012 16:13:59 -0000

It's a reference to which setting in ServiceConfiguration.scfg that holds the connection string for the table storage. It's explained here: http://www.kongsli.net/nblog/2...

Re: NLog: writing log entries to Azure Table Storage

Stefan — Fri, 06 Apr 2012 15:37:51 -0000

Thanks, what's ...tableStorageConnectionStringName="Log4Net.ConenctionString" in the NLog.config file?

Re: Powershell: another alternative to ternary operator

Slava Gorbunov — Thu, 29 Mar 2012 01:18:21 -0000

That worked for me. Thanks a lot. :)

Re: NLog: writing log entries to Azure Table Storage

Vidar Kongsli — Wed, 28 Mar 2012 15:10:52 -0000

The idea was to make the actually writing to the storage asynchronously. Basically, the calling thread does not sit and wait around for the writing to finish. There might be better ways to do this, suggestions are welcome. There might be that the Azure storage client library has some way of handling this as well...

Re: NLog: writing log entries to Azure Table Storage

Mark Phillips — Mon, 26 Mar 2012 10:58:09 -0000

Can I ask what the benefit of the Action delegate is inside the Write Method - is this personal preference or required for some reason? Other than that - this was exactly what I was looking for - i might do some additional refactoring once I progress - but a good starting point.

Re: Log4Net: writing log entries to Azure Table Storage

Vidar Kongsli — Thu, 08 Mar 2012 16:19:46 -0000

I have never tried this, but I would try out using a third-party provider, like described here: http://blog.smarx.com/posts/em... If you create an account at, say, SendGrid, you could use the SMTP server there to send your emails from the smtpappender (I would guess).

Re: Log4Net: writing log entries to Azure Table Storage

Vidar Kongsli — Thu, 08 Mar 2012 16:14:05 -0000

You can find the entire code on Github. The link is at the end of the entry text.

Re: Log4Net: writing log entries to Azure Table Storage

Ckumarreddy — Thu, 08 Mar 2012 05:12:05 -0000

Can any one suggest how we can use the email services when we get the error in the application from in the Azure platform using Log4Net.

Usually we configure the Log4Net with SMTPAppender to listen and set the configuration level to Error in for Log4Net to get the emails , when any unhandled exception occured or for some other reasons.

Can any one have any idea or able to configure like this as given below and getting the emails if any error occured, after hosting the application on Windows Azure.

<appender name="SmtpAppender" type="log4net.Appender.SmtpAppender">
<to value="to@to.come">
<from value="from@from.com">
<subject value="Log Message">
<smtphost value="SMPTAddress">
<buffersize value="1">
<lossy value="false">
<layout type="log4net.Layout.PatternLayout">
<conversionpattern value="%d [%t] %-5p %c [%property{UserId}] %m%n">
</conversionpattern></layout>
<filter type="log4net.Filter.LevelRangeFilter">
<levelmin value="ERROR">
<levelmax value="ERROR">
</levelmax></levelmin></filter>
</lossy></buffersize></smtphost></subject></from></to></appender>
<root>
<level value="TRACE">
<appender-ref ref="SmtpAppender">
</appender-ref></level></root>

Already i have gone through the below articles , but I am trying to find out is there any alternative available using Log4Net with out implementing the custom solutions to achieve this task.

http://blogs.msdn.com/b/window...

Thanks in Advance.

Re: NLog: writing log entries to Azure Table Storage

Vidar Kongsli — Tue, 06 Mar 2012 05:02:05 -0000

Thanks, I will if time permits :)

Re: NLog: writing log entries to Azure Table Storage

Peter Seewald — Sat, 03 Mar 2012 12:37:05 -0000

Good stuff I think you should made it a nuget package. :)

Re: Log4Net: writing log entries to Azure Table Storage

Ckumareddy — Mon, 27 Feb 2012 02:35:03 -0000

Hi Can you post the complete code here, I could find the AddObject method in the 2nd list of code what is posted here, where it is written here.

Re: Adding WCF REST services to existing ASP.NET web application

GovindKamalaPrakashMalviya — Thu, 08 Dec 2011 00:04:45 -0000

Great thanks for this awesome article, I used this is production.

Re: Using Log4Net in Azure Compute

Erick Thompson — Mon, 12 Sep 2011 16:38:45 -0000

Thanks for the post. How did you work around the problem of the diagnostics requiring a lock on a file in order to copy it to blob storage? I have not been able to get this approach to work on the cloud because of this reason.

Re: About me

Richard Campbell — Fri, 09 Sep 2011 12:19:50 -0000

Hi Vidar, this is Richard Campbell from .NET Rocks. We read the comment you made about show 669 on show 704. We'd like to send you a mug! Send you mail address to me at richard@pwop.com and we'll hook you up!

Re: Using Log4Net in Azure Compute

Ross Vernal — Thu, 01 Sep 2011 04:25:10 -0000

Thanks for this excellent post - it's made things a lot less painful for me! I am having trouble when it's deployed though - are there any changes you have to make to the ServiceConfiguration.csfg file, more specifically this part before deployment?

Re: Adding WCF REST services to existing ASP.NET web application

Dan Morphis — Fri, 26 Aug 2011 14:45:09 -0000

Thanks a million for this short and sweet article. I was up and running in < 2 minutes!

-dan

Re: Log4Net: writing log entries to Azure Table Storage

edenridgway — Wed, 17 Aug 2011 01:35:22 -0000

Awesome! I was just about to write my own appender when I found yours. Thanks very much for taking the time to do this and blog about it. Now it would be great if one could provide something like a plugin to AzureStorageExplorer to format and colour the logs properly... mmm...

Re: Parsing XML using XmlSerializer or DataContractSerializer

Dave — Sat, 07 Aug 2010 19:46:17 -0000

I've been trying to get DataContractSerializer to work on my class, which needs to deserialize private data. I've tried it several ways, including the way you have outlined in your article, but it doesn't seem to work for me. When I compile, I get messages for each private property in the class:

Could not find schema information for the element 'MyProperty'

And when I run, I get:

Unable to generate a temporary class (result=1).
error CS0200: Property or indexer
'MyProperty' cannot be assigned to -- it is read only

Isn't that weird? I seem to read everywhere that I should be able to deserialize data from my XML file and populate the private members of this class, but I haven't yet found a way to make it work with DataContractSerializer.

Re: Google App Engine: mail quota limits and task queues

Pete — Tue, 20 Jul 2010 22:42:08 -0000

Maybe you should show the Queues onfigurations also.and mention that the Queue is set at a rate per min.

http://code.google.com/intl/no...

ALSO: the captcha is ridiculous.. This is the third attempt.. and I got good eyesight.. maybe why not many comments ;-(

Re: Atlassian products hacked

vidarkongsli — Wed, 14 Apr 2010 06:26:50 -0000

Thanks for that clarification, Steve. That helps a lot.