Brandon Johnson created LOG4NET-525:
---------------------------------------
Summary: RollingFileAppender initialization throws
UnauthorizedAccessException while creating a mutex
Key: LOG4NET-525
URL: https://issues.apache.org/jira/browse/LOG4NET-525
Project: Log4net
Issue Type: Bug
Affects Versions: 1.2.15
Reporter: Brandon Johnson
Hello,
My team upgraded our ASP.NET web application from log4net 1.2.13 to 1.2.15 and
lost logging functionality in one of our QA environments. log4net's internal
logging reports:
{code}
log4net:ERROR Could not create Appender [RollingLogFileAppenderServerQual] of
type [log4net.Appender.RollingFileAppender]. Reported error follows.
System.UnauthorizedAccessException: Access to the path
'D__AppLogs_AMS_AMSLogQual.log' is denied.
at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
at System.Threading.Mutex.MutexTryCodeHelper.MutexTryCode(Object userData)
at
System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode
code, CleanupCode backoutCode, Object userData)
at System.Threading.Mutex.CreateMutexWithGuaranteedCleanup(Boolean
initiallyOwned, String name, Boolean& createdNew, SECURITY_ATTRIBUTES secAttrs)
at System.Threading.Mutex..ctor(Boolean initiallyOwned, String name,
Boolean& createdNew, MutexSecurity mutexSecurity)
at System.Threading.Mutex..ctor(Boolean initiallyOwned, String name)
at log4net.Appender.RollingFileAppender.ActivateOptions()
at
log4net.Repository.Hierarchy.XmlHierarchyConfigurator.ParseAppender(XmlElement
appenderElement)
{code}
After some confusion on our end I confirmed that downgrading log4net back to
1.2.13 avoids the problem. I am seeing similar bug reports from other users,
often under different circumstances. E.g. LOG4NET-506 is about the parent
folder of the log file being locked, but in our case it's the log file.
Is remaining on 1.2.13 my only option? Or is there something I can change with
my appender configuration?
{code}
<appender name="RollingLogFileAppenderServerQual"
type="log4net.Appender.RollingFileAppender">
<file value="D:\\AppLogs\\AMS\\AMSLogQual.log" />
<lockingModel type="log4net.Appender.FileAppender+MinimalLock" />
<appendToFile value="true" />
<rollingStyle value="Size" />
<maximumFileSize value="20MB" />
<maxSizeRollBackups value="10" />
<staticLogFileName value="true" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%-23date [%-5thread] %-5level %logger
%property{log4net:HostName} %username - (%location) - %message%newline" />
</layout>
</appender>
{code}
Let me know, thanks!
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