Is this list still active? Would this be better to post to the dev list?
> On May 19, 2017, at 3:45 PM, Jim Scott <jsc...@infoconex.com> wrote:
>
> We have a webservice that has been running on Windows 2008R2 since Nov 2015
> and has not had any issues until just a week or so ago. The webservice
> becomes unresponsive and after installing some debug tools I can see that we
> have a deadlock issue.
>
> Here is some details of the last dump. Note we are running the project under
> .NET 4 and have .NET 2 dependencies in the project that depend on the .NET 2
> 1.2.11.0 version of log4net. I can see also on the stack trace that we had a
> few exceptions happen and I assume the blocking thread was attempting to roll
> our Exceptions.log file because the create time on the file was from
> yesterday. At the bottom of the email is a copy of our logging configuration
> which we wire up during Application_Start.
>
> We thought it might have originally been related to permissions as someone
> had deleted the exception.log and recreated it and it was owned by them but
> we fixed that last night and we had another crash this morning. I am stumped
> since no code has changed on this box and nothing unusual about the type of
> activity. Maybe something in a .NET patch changed behavior?
>
> Any assistance would be appreciated.
>
> Thanks
> Jim
>
> Thread that appears to be blocking everything
>
> Entry point clr!Thread::intermediateThreadProc
> Create time 5/19/2017 1:05:32 PM
> Time spent in user mode 0 Days 00:10:06.359
> Time spent in kernel mode 0 Days 00:02:51.203
>
>
> This thread is trying to acquire a System.Threading.ReaderWriterLock for
> reading
>
> The thread has evidence of .net exceptions on the stack. Check the Previous
> .NET Exceptions Report (Exceptions in all .NET Thread Stacks) to view more
> details of the associated exception
>
> .NET Call Stack
>
> [[HelperMethodFrame_1OBJ] (System.Array.Copy)]
> System.Array.Copy(System.Array, Int32, System.Array, Int32, Int32, Boolean)
> mscorlib_ni!System.Array.Copy(System.Array, System.Array, Int32)+3e
> mscorlib_ni!System.Security.Permissions.FileIOPermission.AddPathList(System.Security.Permissions.FileIOPermissionAccess,
> System.Security.AccessControl.AccessControlActions, System.String[],
> Boolean, Boolean, Boolean)+5a
> mscorlib_ni!System.Security.Permissions.FileIOPermission..ctor(System.Security.Permissions.FileIOPermissionAccess,
> System.String[], Boolean, Boolean)+2a
> mscorlib_ni!System.IO.Path.GetFullPath(System.String)+5c
> mscorlib_ni!System.IO.Path.GetDirectoryName(System.String)+a2
> log4net.Appender.RollingFileAppender.CombinePath(System.String,
> System.String)+38
> log4net.Appender.RollingFileAppender.RollOverTime(Boolean)+16c
> log4net.Appender.RollingFileAppender.AdjustFileBeforeAppend()+d3
> log4net.Appender.RollingFileAppender.Append(log4net.Core.LoggingEvent)+13
> log4net.Appender.AppenderSkeleton.DoAppend(log4net.Core.LoggingEvent)+f0
> log4net.Util.AppenderAttachedImpl.AppendLoopOnAppenders(log4net.Core.LoggingEvent)+a0
> log4net.Repository.Hierarchy.Logger.CallAppenders(log4net.Core.LoggingEvent)+82
> log4net.Repository.Hierarchy.Logger.ForcedLog(System.Type,
> log4net.Core.Level, System.Object, System.Exception)+4a
> log4net.Repository.Hierarchy.Logger.Log(System.Type, log4net.Core.Level,
> System.Object, System.Exception)+64
> log4net.Core.LogImpl.ErrorFormat(System.String, System.Object[])+6a
>
>
> Example thread blocked
>
> Thread 36 - System ID 7332
>
> Entry point clr!Thread::intermediateThreadProc
> Create time 5/19/2017 1:07:12 PM
> Time spent in user mode 0 Days 00:00:00.421
> Time spent in kernel mode 0 Days 00:00:00.109
>
>
> This thread is waiting to enter a .NET Lock
>
> The thread has evidence of .net exceptions on the stack. Check the Previous
> .NET Exceptions Report (Exceptions in all .NET Thread Stacks) to view more
> details of the associated exception
>
> .NET Call Stack
>
> [[GCFrame]]
> [[HelperMethodFrame_1OBJ] (System.Threading.Monitor.Enter)]
> System.Threading.Monitor.Enter(System.Object)
> log4net.Appender.AppenderSkeleton.DoAppend(log4net.Core.LoggingEvent)+2b
> log4net.Util.AppenderAttachedImpl.AppendLoopOnAppenders(log4net.Core.LoggingEvent)+a0
> log4net.Repository.Hierarchy.Logger.CallAppenders(log4net.Core.LoggingEvent)+82
> log4net.Repository.Hierarchy.Logger.ForcedLog(System.Type,
> log4net.Core.Level, System.Object, System.Exception)+4a
> log4net.Repository.Hierarchy.Logger.Log(System.Type, log4net.Core.Level,
> System.Object, System.Exception)+64
> log4net.Core.LogImpl.InfoFormat(System.String, System.Object[])+6a
>
>
> Configuration file
>
> <?xml version="1.0" encoding="utf-8" ?>
> <log4net>
> <appender name="WebsiteLogger"
> type="log4net.Appender.RollingFileAppender">
> <param name="File" value="C:\logs\WebLogging.log" />
> <param name="AppendToFile" value="true" />
> <param name="RollingStyle" value="Composite" />
> <param name="MaximumFileSize" value="10MB" />
> <param name="CountDirection" value="0" />
> <param name="StaticLogFileName" value="true" />
> <param name="PreserveLogFileNameExtension" value="true" />
> <param name="DatePattern" value=".yyyy-MM-dd" />
> <param name="MaxSizeRollBackups" value="40" />
> <layout type="log4net.Layout.PatternLayout">
> <param name="Header" value="Date Time Level ThreadId
> Class RemoteIP SessionId Message " />
> <param name="Footer" value="Ending Program " />
> <param name="ConversionPattern" value="%d %-5p %-30logger{1}
> %-17property{ip} %-12property{sid} %m%n%exception" />
> </layout>
> </appender>
> <appender name="ExceptionLogger"
> type="log4net.Appender.RollingFileAppender">
> <param name="File" value="C:\logs\Exceptions.log" />
> <param name="AppendToFile" value="true" />
> <param name="RollingStyle" value="Composite" />
> <param name="MaximumFileSize" value="10MB" />
> <param name="CountDirection" value="0" />
> <param name="StaticLogFileName" value="true" />
> <param name="PreserveLogFileNameExtension" value="true" />
> <param name="DatePattern" value=".yyyy-MM-dd" />
> <param name="MaxSizeRollBackups" value="40" />
> <!-- <lockingModel
> type="log4net.Appender.FileAppender+MinimalLock" /> -->
> <layout type="log4net.Layout.PatternLayout">
> <param name="Header" value="Date Time Level ThreadId
> Class RemoteIP SessionId Message " />
> <param name="Footer" value="Ending Program " />
> <param name="ConversionPattern" value="%d %-5p %-30c
> %-17property{ip} %-12property{sid} %m%n%exception" />
> </layout>
> <filter type="log4net.Filter.LevelRangeFilter">
> <param name="LevelMin" value="Error" />
> </filter>
> </appender>
> <appender name="UsageWriter" type="log4net.Appender.RollingFileAppender">
> <param name="File" value="C:\logs\Usage.csv" />
> <param name="AppendToFile" value="true" />
> <param name="RollingStyle" value="Composite" />
> <param name="MaximumFileSize" value="10MB" />
> <param name="CountDirection" value="0" />
> <param name="StaticLogFileName" value="true" />
> <param name="PreserveLogFileNameExtension" value="true" />
> <param name="DatePattern" value=".yyyy-MM-dd" />
> <param name="MaxSizeRollBackups" value="40" />
> <layout type="log4net.Layout.PatternLayout">
> <param name="ConversionPattern" value="%d{yyyy-MM-dd
> HH:mm:ss.fff},%property{ip},%property{sid},%m%n" />
> <param name="Header"
> value="Date,IPAddress,SessionId,Username,MethodName,ExecutionTime,Extra "
> />
> </layout>
> <filter type="log4net.Filter.LoggerMatchFilter">
> <param name="LoggerToMatch"
> value="AccountManagementWebservice.UsageWriter" />
> <param name="AcceptOnMatch" value="true" />
> </filter>
> <filter type="log4net.Filter.DenyAllFilter" />
> </appender>
> <appender name="AdoNetAppender" type="log4net.Appender.AdoNetAppender">
> <bufferSize value="1" />
> <useTransactions value="false" />
> <connectionType value="System.Data.SqlClient.SqlConnection,
> System.Data, Version=1.0.3300.0, Culture=neutral,
> PublicKeyToken=b77a5c561934e089" />
> <connectionString value="data source=server;initial
> catalog=db;Enlist=false;User ID=user;Password=password" />
> <commandText value="INSERT INTO Log4Net
> ([Date],[Host],[Application],[Thread],[Level],[Logger],[Message]) VALUES
> (@log_date, @host, @application, @thread, @log_level, @logger, @message)" />
> <parameter>
> <parameterName value="@log_date" />
> <dbType value="DateTime" />
> <layout type="log4net.Layout.RawTimeStampLayout" />
> </parameter>
> <parameter>
> <parameterName value="@host" />
> <dbType value="String" />
> <size value="255" />
> <layout type="log4net.Layout.PatternLayout">
> <conversionPattern value="%property{host}" />
> </layout>
> </parameter>
> <parameter>
> <parameterName value="@application" />
> <dbType value="String" />
> <size value="255" />
> <layout type="log4net.Layout.PatternLayout">
> <conversionPattern value="%property{application}" />
> </layout>
> </parameter>
> <parameter>
> <parameterName value="@thread" />
> <dbType value="String" />
> <size value="255" />
> <layout type="log4net.Layout.PatternLayout">
> <conversionPattern value="%thread" />
> </layout>
> </parameter>
> <parameter>
> <parameterName value="@log_level" />
> <dbType value="String" />
> <size value="50" />
> <layout type="log4net.Layout.PatternLayout">
> <conversionPattern value="%level" />
> </layout>
> </parameter>
> <parameter>
> <parameterName value="@logger" />
> <dbType value="String" />
> <size value="255" />
> <layout type="log4net.Layout.PatternLayout">
> <conversionPattern value="%logger" />
> </layout>
> </parameter>
> <parameter>
> <parameterName value="@message" />
> <dbType value="String" />
> <size value="4000" />
> <layout type="log4net.Layout.PatternLayout">
> <conversionPattern value="%message" />
> </layout>
> </parameter>
> <filter type="log4net.Filter.LevelRangeFilter">
> <param name="LevelMin" value="Error" />
> </filter>
> </appender>
> <root>
> <level value="DEBUG" />
> <appender-ref ref="WebsiteLogger" />
> <appender-ref ref="ExceptionLogger" />
> <appender-ref ref="AdoNetAppender" />
> <appender-ref ref="UsageWriter" />
> </root>
> </log4net>
