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From "Steve Ziuchkovski (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LOG4NET-380) LoggingEvents received from RemoteAppender are UTC, but TimeStamp.Kind is "Local" and not "Utc"
Date Fri, 31 May 2013 15:21:21 GMT

    [ https://issues.apache.org/jira/browse/LOG4NET-380?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13671564#comment-13671564
] 

Steve Ziuchkovski commented on LOG4NET-380:
-------------------------------------------

Both clocks are synched.

A LoggingEvent is created on Windows at 0800 Local/System time (1300 UTC), and an Appender
on Windows writes the LoggingEvent to a file using %date conversion pattern of a LogFileAppender.
The text written to the file is the equivalent of 0800. The same logging event goes to another
Appender I wrote that appends to a collection (CollectionAppender), and the TimeStamp.Kind
property is local.

A LoggingEvent is created on Mono at the exact same time, 0800 Local/System time (1300 UTC).
It is sent to the Windows machine using a RemoteAppender. The Windows machine receives it
using a remoting serer, and then uses the exact same LogFileAppender to write the LoggingEvent
to the same file. The text written to the file is the equivalent of 1300. It also goes to
my CollectionAppender, and the LoggingEvent's TimeStamp.Kind property is local. 

1300 is not local, it's UTC. This is the problem.
                
> LoggingEvents received from RemoteAppender are UTC, but TimeStamp.Kind is "Local" and
not "Utc"
> -----------------------------------------------------------------------------------------------
>
>                 Key: LOG4NET-380
>                 URL: https://issues.apache.org/jira/browse/LOG4NET-380
>             Project: Log4net
>          Issue Type: Bug
>          Components: Appenders
>    Affects Versions: 1.2.11
>         Environment: .NET 4 application on RaspberryPi (Arch Linux) with Mono 2.10.9,
logging with RemoteAppender to an application on Windows 7, which uses a custom appender to
add the received LoggingEvents to a collection.
>            Reporter: Steve Ziuchkovski
>              Labels: remote, timestamp, timezone
>
> The timestamps from RemoteAppender are UTC, but the TimeStamp.Kind property is "Local".
> Both the Windows and Linux machines have their system time set to local time.
> The LoggingEvent TimeStamps that are received from the Windows machine (not going through
RemoteAppender) contain local timestamps, and the LoggingEvent.TimeStamp.Kind is "Local".
> The LoggingEvent TimeSTamps that are received from the Linux machine (going through RemoteAppender)
contain UTC timestamps, but the TimeStamp.Kind is "Local", not "Utc".
> If the Kind property was UTC, I could adjust the timestamps from both log event sources
to match (both UTC/both Local). Unfortunately, I cannot tell the difference using just the
TimeStamp field itself.

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