[
https://issues.apache.org/jira/browse/LOG4NET-357?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dominik Psenner closed LOG4NET-357.
-----------------------------------
Resolution: Invalid
This doesn't seem to be a issue in log4net. Please ask questions in the dev
mailing list:
log4net-dev@logging.apache.org
> Object Reference issue in changing the Log file name dynamically in threads
> ---------------------------------------------------------------------------
>
> Key: LOG4NET-357
> URL: https://issues.apache.org/jira/browse/LOG4NET-357
> Project: Log4net
> Issue Type: Bug
> Reporter: Lakshmi
>
> Hai
> Am creating a web application using Vb.Net for data processing. I am
> implementing multi threading in processing functions. And also i used
> log4net to log the function calls and steps.
> My application requires multiple log file. So i used the following code to
> change the log files dynamically.
> ''' <summary>
> ''' Function used to set the name for Log File
> ''' </summary>
> ''' <param name="Jobid"></param>
> ''' <param name="jobtype"></param>
> ''' <remarks></remarks>
> Public Shared Sub SetLogFileName(ByVal Jobid As String, ByVal jobtype As
> String)
> Try
> Dim logFileName As String
> If (Jobid = 0) Then
> logFileName = HttpContext.Current.Server.MapPath("~/Log/Setup_Log.txt")
> Else
> logFileName = HttpContext.Current.Server.MapPath("~/Log/Job_" & jobtype & "_"
> & Jobid & ".txt")
> End If
> ChangeLogFileName("LogFileAppender", logFileName)
> Catch ex As Exception
> Throw ex
> End Try
> End Sub
> ''' <summary>
> ''' Function used to change the Log File Name
> ''' </summary>
> ''' <param name="AppenderName"></param>
> ''' <param name="NewFilename">New name for the file</param>
> ''' <returns>Returns a Bool Value</returns>
> '''
> Public Shared Function ChangeLogFileName(ByVal AppenderName As String, ByVal
> NewFilename As String) As Boolean
> Try
> XmlConfigurator.Configure()
> Dim config As System.Configuration.Configuration =
> System.Web.Configuration.WebConfigurationManager.OpenWebConfiguration("~/")
> Dim RootRep As log4net.Repository.ILoggerRepository
> RootRep = log4net.LogManager.GetRepository()
> For Each iApp As log4net.Appender.IAppender In RootRep.GetAppenders()
> If iApp.Name.CompareTo(AppenderName) = 0 AndAlso TypeOf iApp Is
> log4net.Appender.RollingFileAppender Then
> Dim fApp As log4net.Appender.RollingFileAppender = DirectCast(iApp,
> log4net.Appender.RollingFileAppender)
> fApp.File = NewFilename
> fApp.ActivateOptions()
> ' Appender found and name changed to NewFilename
> Return True
> End If
> Next
> ' appender not found
> Return False
> Catch ex As Exception
> Throw ex
> End Try
> End Function
> Whan am trying to change the log files in side thread it shows object
> reference issue in following line clsLoggerCheck.SetLogFileName(JobID,
> "Analysis")
> what is the reson for object reference? how can I solve this issue?
> Thanks
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