NLog

Fixes for bugs introduced in NLog 4.3. All reported issues are now fixed.

• Fix: Possible stackoverflow when using ${var:myvar} with the FileTarget
• Fix: NLog could throw "allLayouts is null. Call base.InitializeTarget()", which was even an issue when throwExceptions = false.
• Fix: Filetarget could throw "Thread was being aborted"

See milestone

Features

• Support Windows Phone 8, Xamarin Android and Xamarin iOS (beta)
• Consistent handling of exceptions (BEHAVIOUR CHANGE)
• Control of exception throwing for configuration errors
• API improvements
• Relative paths for fileTarget
• InternalLogger: write to System.Diagnostics.Trace
• Mail Target: Allow virtual paths for SMTP pickup
• EventTarget: option to set the max length of the message and action (discard, split, truncate)
• MethodCallTarget: allow optional parameters in called methods.
• ConsoleTarget: Regex cache is instead of compiled regex, for better memory usage. This is configurable.
• Database target: don't require "ProviderName" attribute when using <connectionStrings>
• RegistryLayout: Support for layouts, RegistryView (32, 64 bit) and all root key names (HKCU/HKLM etc)
• Allow to free CallContext in MappedDiagnosticsLogicalContext
• LogFactory: Add generic-type versions of GetLogger() and GetCurrentClassLogger()
• Added Logger.Swallow(Task task)
• Unused targets will be logged to the internal logger
• Config classes are now thread-safe.
• InternalLogger: improved logging of exceptions (analogous to normal Logger)
• More logging to the internal logger (e.g. Async wrapper and buffer wrapper)
• Added timestamp options for the internal logger.
• Autoload NLog.config in assets folder on Android

Bug fixes

Among others:

• ${callsite} works now for async methods!
• A lot of Filetarget bug fixes regarding with archiving, locking and concurrent writing.
  Most noticeable:
  • Use last-write-time for archive file name. This is far more stable.
    In the past there were some issues with unexpected archive filenames.
  • Fix: archiving won't work when a there is a date in the filename
  • Fix: archiving not working properly with AsyncWrapper
  • Fix: Footer for archiving
  • Fix: Crashes with relative path without ${basedir}
  • Fix: Archive files are never created when there are lot of write in log file
• NetworkTarget: fix possible deadlock
• Fix autoreload nlog.config with parent configs.
• WebServiceTarget: Fix HTTP GET protocol
• Bugfix: Internallogger creates folder, even when turned off
• Fix possible Nullref in ${variable}
• ${processtime}: incorrect milliseconds formatting
• ${processtime}: fix incorrect negative time (rounding issue)
• FileTarget: Fix writing log files to root dir
• Check for TimeToSleepBetweenBatches in AsyncWrapper

See milestone

Features

• Support for Windows Phone 8 (beta)
• Support for Xamarin Android (beta)
• Support for Xamarin iOS (beta)
• Consistent handling of exceptions:
  • all exceptions are logged to the internallogger
  • throwExceptions option will be respected in all cases (advise: disable throwExceptions in production environments)
• FileTarget now supports relative paths. No need for ${basedir} anymore!
• EventTarget: option to set the max length of the message and action (discard, split, truncate)
• MethodCallTarget: allow optional parameters
• RegistryLayout: Support for layouts, RegistryView (32, 64 bit) and all root key names (HKCU/HKLM etc)
• Unused targets will be logged to the internallogger
• Config classes are now threadsafe.
• ConsoleTarget: Regex cache is instead of Regex Compile (option), for better memory usage.
• InternalLogger: improved logging of exceptions (analogous to normal Logger)

Bugfixes

• fix: ${Callsite} always shows MoveNext for c# 5 async/awaited methods
• A lot of Filetarget bug fixes regarding with archiving, locking and concurrent writing. All filetarget fixes: https://github.com/NLog/NLog/issues?q=milestone%3A4.3+is%3Aclosed+label%3Afile-target
• NetworkTarget: fix possible deadlock
• Fix autoreload nlog.config with parent configs. (#668)

See full list: https://github.com/NLog/NLog/issues?q=milestone%3A4.3+is%3Aclosed

Performance improvements (CPU & Memory) for the FileTarget.

Changes:

• Improve file writing when file name has fixed name: no layout renderer in file name. 10 secs instead of 34 sec for 10 million. Sync writing with keepFileOpen="true", AutoFlush="false" and ConcurrentWrites="false".
• Improved CleanupFileName by @epignosisx (https://github.com/NLog/NLog/pull/1063)
• Changes the performance of GDC toString
• Added option CleanupFileName on filetarget for faster writing when using dynamic (=non-fixed) file name. Default true (=backwards-compatible)

Fixed assembly file version. Same code as NLog 4.2.1.

See GitHub issue

• Show warning for Databasetarget.UseTransactions instead of exception.
• NetworkTarget: improved performance, allow configuring of max connections.
• Filetarget: Max archives settings sometimes removes to many files.
• Prevent Collection was modified (ObjectGraphScanner.ScanProperties)
• General memory pressure improvements.
• LogReceiverWebServiceTarget.CreateLogReceiver() should be virtual
• VariableLayoutRenderer does not work with Custom LogManagers.

Features

• Performance Counter Target: it's now possible to configure the step size for the counter target. Before the step size was always one.
• Mail Target: pickupDirectoryLocation and deliveryMethod are configurable from the NLog config.
• Cached Layout Renderer: a clearCache option has been added for more control over clearing the cache.
• File target: auto add .zip to compressed archive when archiveName isn't specified.

Bug fixes

• Inner layout can now contain colons.
• Colored Console Target: highlight whole words was broken.
• Mail Target: when useSystemNetMailSettings was false, some settings were still used from the <mailSettings> of the .Net config.
• Removed unnecessary System.Drawing references for Xamarin.
• File Target: sometimes an exception was thrown when archiving was enabled.
• File Target: file archiving DateAndSequence & FileArchivePeriod.Day won't always work.
• GetTargetsByLevelForLogger could throw a "Collection was modified" exception.

In more detail, see news post

Features:

• Fluent API: Added .Properties for easier adding of multiple (event)properties.

Bug fixes:

• AllEventPropertiesLayoutRenderer was not ThreadAgnostic.
• Possible "Collection was modified" exception with ReconfigExistingLoggers.

Other:

• AssemblyFileVersion was wrong and could lead to issues with installers.

Features:

• MDLC now also supports objects, like MDC,GDC and NDC (those we're added in 4.1.0)

Bug fixes:

• Fixed assembly name issue with strong name.
• NLog won't crash if there are binaries starting with "Nlog" that we can't load (auto load)
• Directory was required with the internal logger

Other:

• Obsolete text fixed
• Removed some unused classes (moved to NLog.Windows.Forms before)

See news post.

New features, bug-fixes and easier upgrade to NLog 4.x

See news post

Patch release for 4.0. This release fixes the following problems:

• The auto-load of the extensions was not working in combination with ASP.NET.
• Autoflush was not optimal implemented.
• We reverted an unneeded breaking change in MailTarget. The SMTP property is not required anymore. This is consistent with 3.x.
• Loading the NLog assembly from an embedded resource is now working.
• Writing to files could lead to OverflowExceptions in 64-bit runtime. This was a bug since NLog 2.0.
• Some descriptions for the obsolete methods are corrected.

See also news post

See milestone

and news post

See milestone

and news post

http://nlog-project.org/2015/05/28/nlog-4-release-candidate.html

See milestone