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From Yuriy Taraday <yorik....@gmail.com>
Subject Re: Problem logging exceptions
Date Thu, 29 Apr 2010 12:49:18 GMT
All log4net stuff checks whether library is initialized and does init
if it's needed.

On Thu, Apr 29, 2010 at 2:54 PM, ITemplate <itemplate@hotmail.com> wrote:
>
> Why is XmlConfiguratorAttribute preferred? That doesn't make sense to me. If
> you use logging from multiple assemblies, then using "Configure" is the only
> way to ensure the correct order (init before usage) - isn't it?
>
> --
> Werner
>
>
> Yuriy Taraday wrote:
>>
>> When whole application needs logging, it's preferable to use
>> XmlConfiguratorAttribute instead of Configure method.
>> Again, it looks cleaner when you put your logging settings to web.config
>> file.
>> To do so, you must add this line to configSections:
>>     <section name="log4net"
>> type="log4net.Config.Log4NetConfigurationSectionHandler, log4net,
>> Version=1.2.10.0, Culture=neutral, PublicKeyToken=1b44e1d426115821" />
>> (may be changing Version/PuplicKeyToken if you use not 1.2.10 official
>> release) And put <log4net> tag into <configuration>.
>>
>> On Wed, Apr 28, 2010 at 10:43 AM, ITemplate <itemplate@hotmail.com> wrote:
>>>
>>> Oh forgot - be sure to initialize the configuration (one time, in
>>> Application_Start as mabra suggested for example) like this:
>>> XmlConfigurator.Configure();
>>>
>>> --
>>> Werner
>>>
>>>
>>> ITemplate wrote:
>>>>
>>>> No because that would produce a compile error - the problem, as I read
>>>> it,
>>>> is that the program works alright but the logfile just isnt created.
>>>>
>>>> Anyways, it could be a security issue. A web application would probably
>>>> not have rights to write to that directory you have specified. Try to
>>>> set
>>>> the log file like this: <file value="sample.log" /> . Then look in
the
>>>> directory where your application runs.
>>>>
>>>> That said it should definately not be nescessary to specify the location
>>>> of the log4net configuration. Putting it in web.config should be enough
>>>> -
>>>> it could indicate a problem that is of an entirely different matter.
>>>>
>>>> --
>>>> Werner
>>>>
>>>>
>>>> mabra wrote:
>>>>>
>>>>>
>>>>> Hi !
>>>>>
>>>>> To me, it looks like, you forgot to create a logger, befor you log ....
>>>>> !??
>>>>> Missing:
>>>>>
>>>>>      ILog log =  log4net.LogManager.GetLogger(typeof(yourType));
>>>>>
>>>>> In my web scenarios, I call it ether in the constructor or use
>>>>> a "global" variable, which I initilize like shown above.
>>>>> You my call it in "Application_Start(...)"
>>>>>
>>>>> Hope, this helps.
>>>>>
>>>>> br++mabra
>>>>>
>>>>>
>>>>> -----Original Message-----
>>>>> From: Dotnet_user [mailto:dotnet_user11@yahoo.com]
>>>>> Sent: Tuesday, April 27, 2010 5:17 PM
>>>>> To: log4net-user@logging.apache.org
>>>>> Subject: Problem logging exceptions
>>>>>
>>>>>
>>>>> Hello everyone,
>>>>>
>>>>> I'm using log4net to log my exceptions. The configuration settings look
>>>>> like
>>>>> this:
>>>>>
>>>>> <?xml version="1.0" encoding="utf-8" ?>
>>>>>
>>>>> <configuration>
>>>>>
>>>>> <configSections>
>>>>>
>>>>> <section name="log4net"
>>>>> type="log4net.Config.Log4NetConfigurationSectionHandler, log4net"/>
>>>>>
>>>>> </configSections>
>>>>>
>>>>> <log4net debug="false">
>>>>>
>>>>> <appender name="RollingLogFileAppender"
>>>>> type="log4net.Appender.RollingFileAppender">
>>>>>
>>>>> <file value="C:\Logs\sample.log" />
>>>>>
>>>>> <appendToFile value="true"/>
>>>>>
>>>>> <rollingStyle value="Size"/>
>>>>>
>>>>> <maxSizeRollBackups value="10"/>
>>>>>
>>>>> <maximumFileSize value="10MB"/>
>>>>>
>>>>> <staticLogFileName value="true"/>
>>>>>
>>>>> <layout type="log4net.Layout.PatternLayout">
>>>>>
>>>>> <conversionPattern value="%-5level %date %logger.%method[line %line]
-
>>>>> %message%newline"/>
>>>>>
>>>>> </layout>
>>>>>
>>>>> </appender>
>>>>>
>>>>> <root>
>>>>>
>>>>> <level value="INFO"/>
>>>>>
>>>>> <appender-ref ref="RollingLogFileAppender"/>
>>>>>
>>>>> </root>
>>>>>
>>>>> </log4net>
>>>>>
>>>>> </configuration>
>>>>>
>>>>> I started out by adding this configuration to web.config, but I got an
>>>>> error
>>>>> (VS studio could not find a schema for log4net-"Could not find schema
>>>>> information for the element log4net"). So I followed this link
>>>>> (http://stackoverflow.com/questions/174430/log4net-could-not-find-schema-inf
>>>>> ormation-messages)
>>>>> and configured my settings in a separate xml file and added the
>>>>> following
>>>>> line of code in my AssemblyInfo.cs:
>>>>>
>>>>> [assembly: log4net.Config.XmlConfigurator(ConfigFile = "xmlfile.xml",
>>>>> Watch
>>>>> = true)]
>>>>>
>>>>> And in the actual code, I placed this line:
>>>>>
>>>>> public void CreateUser(String username, String password)
>>>>>
>>>>> {
>>>>>
>>>>> try
>>>>>
>>>>> {
>>>>>
>>>>> log.Info("Inside createuser");
>>>>>
>>>>> //code for creating user
>>>>>
>>>>> }
>>>>>
>>>>> catch(exception e)
>>>>>
>>>>> {
>>>>>
>>>>> log.Info("something happened in create user", e);
>>>>>
>>>>> }
>>>>>
>>>>> }
>>>>>
>>>>> The problem is that the log file is not being created. Can anybody tell
>>>>> me
>>>>> what I'm doing wrong here?
>>>>>
>>>>> Any suggestions/inputs will be very helpful.
>>>>>
>>>>>
>>>>>
>>>>> Thank you all in advance.
>>>>>
>>>>>
>>>>> --
>>>>> View this message in context:
>>>>> http://old.nabble.com/Problem-logging-exceptions-tp28378261p28378261.html
>>>>> Sent from the Log4net - Users mailing list archive at Nabble.com.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>
>>> --
>>> View this message in context:
>>> http://old.nabble.com/Problem-logging-exceptions-tp28378261p28385317.html
>>> Sent from the Log4net - Users mailing list archive at Nabble.com.
>>>
>>>
>>
>>
>
> --
> View this message in context: http://old.nabble.com/Problem-logging-exceptions-tp28378261p28399035.html
> Sent from the Log4net - Users mailing list archive at Nabble.com.
>
>

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