Log4net Error Rollingfileappender Unable To Acquire Lock On File
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Log4net Interprocesslock
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Log4net Access To The Path Is Denied
just like you, helping each other. Join them; it only takes a minute: Sign up Intermittent log4net RollingFileAppender locked file issue up vote 82 down vote favorite 28 We are seeing an intermittent issue on development and production machines whereby our log files are not getting logged to. When running in development and debugging using log4net release file lock Visual Studio we get the following log4net error messages in the VS output window: log4net:ERROR [RollingFileAppender] Unable to acquire lock on file C:\folder\file.log. The process cannot access the file 'C:\folder\file.log' because it is being used by another process. log4net:ERROR XmlConfigurator: Failed to find configuration section 'log4net' in the application's .config file. Check your .config file for the and elements. The configuration section should look like: Our current workaround for the issue is to rename the last log file. We would of course expect this to fail (due to the aforementioned file lock), but it normally doesn't. Once or twice the rename has failed due to a lock from the aspnet_wp.exe process. Our log4net configuration section is shown below: Log4net Mutex Lock 2005 13:15:11 GMT I figured it out. Here it log4net minimallock performance is. log4net.Appender.RollingFileAppender.LockingModelBase m_lockingType=null; m_lockingType = new log4net.Appender.RollingFileAppender.MinimalLock(); oRollingFileAppender.LockingModel = m_lockingType; -----Original Message----- From: Ramaa Davanagere remoteloggingserverplugin Sent: Monday, November 07, 2005 8:07 AM To: 'Log4NET User' Subject: RE: What do I need to do to get rid of this error? http://stackoverflow.com/questions/1999382/intermittent-log4net-rollingfileappender-locked-file-issue Please help I have tried log4net.Appender.RollingFileAppender.LockingModelBase m_LockingType = log4net.Appender.RollingFileAppender.MinimalLock; oRollingFileAppender.LockingModel = m_LockingType; log4net.Appender.RollingFileAppender.LockingModelBase m_LockingType = log4net.Appender.RollingFileAppender+MinimalLock; oRollingFileAppender.LockingModel = m_LockingType; Both of them don't work. Please help me! -----Original Message----- From: Ramaa Davanagere Sent: Monday, November 07, 2005 7:40 AM To: 'Log4NET User' Subject: RE: What do I need to http://mail-archives.apache.org/mod_mbox/logging-log4net-user/200511.mbox/%3CE63FAD1348B02B4EBE1078F46E30419E026652A4@rye2kes4.Mobius.com%3E do to get rid of this error? Please help How do I write this line in my code? I don't have a config file. This line gives me errors. log4net.Appender.RollingFileAppender.MinimalLock; -----Original Message----- From: Nicko Cadell [mailto:nicko@neoworks.com ] Sent: Sunday, November 06, 2005 4:03 PM To: Log4NET User Subject: RE: What do I need to do to get rid of this error? Please help By default the log4net FileAppender takes an exclusive write lock on the log file. If you have multiple processes that are logging to the same file then you need to use a different locking model. For example the MinimalLock model: This locking model takes a write lock on the file as each logging event written and then releases it immediately. An example configuration is: you have multiple processes that are logging to the same file then you need to use a different locking model. For example the MinimalLock model: This locking model takes a write lock on the file as each logging event written and then releases it immediately. An example configuration is: Cheers, Nicko > -----Original Message----- > From: Ramaa Davanagere [mailto:RDAVANAG@xxxxxxxxxx] > Sent: 04 November 2005 17:12 > To: 'Log4NET User' > Subject: RE: What do I need to do to get rid of this error? > Please help > > > > I wish it was that easy!!!! > > > > I have multiple components (20+) using the same log file for > logging messages. I don't think I can check which of the > components is currently locking the files, before writing log > messages. > > > > How do I resolve this? > > > > -----Original Message----- > From: Shireesh Thanneru [mailto:thanneru@xxxxxxxxx] > Sent: Friday, November 04, 2005 11:55 AM > To: Log4NET User > Subject: Re: What do I need to do to get rid of this error? > Please help > > > > You need to make sure that no other process/program is > accessing the the file at "C:\Program > Files\Mobius\contenuity\LogFiles\vdrconBOLog.txt" > > so that log4net can acquire a lock on that file. > > Ramaa Davanagere wrote: > > > > > > log4net: RollingFileAppender: Searched for existing > files in [C:\Program Files\Mobius\contenuity\LogFiles] > > log4net: RollingFileAppender: curSizeRollBackups starts at [0] > > log4net: FileAppender: Opening file for writing > [C:\Program Files\Mobius\contenuity\LogFiles\vdrconBOLog.txt] > append [True] > > log4net:ERROR [RollingFileAppender] Unable to acquire > lock on file C:\Program > Files\Mobius\contenuity\LogFiles\vdrconBOLog.txt. The process > cannot access the file "C:\Program > Files\Mobius\contenuity\LogFiles\vdrconBOLog.txt" because it > is being used by another process. > > log4net:ERROR [RollingFileAppender] OpenFile(C:\Program > Files\Mobius\contenuity\LogFiles\vdrconBOLog.txt,True) call failed. > > LockStateException: The file is not currently locked > > at log4net.Appender.LockingStream.AssertLocked() > > at log4net.Appender.LockingStream.get_CanWrite() > > at System.IO.StreamWriter..ctor(Stream stream, > Encoding encoding, Int32 bufferSize) > > at System.IO.StreamWriter..ctor(Stream stream, > Encoding encoding) > > at log4net