${xxx:nnn) is the general format for Lookups. ${date:} is the date Lookup. It
returns the current date, which is exactly what you wanted.
Ralph
> On Feb 24, 2018, at 5:05 PM, Laurent Hasson <[email protected]> wrote:
>
> Oh yes, apologies... I did some edits to simplify my config file and
> accidentally changed $ to %. It is correct in the file. I tried
> ${date:yyyy-MM-dd} and it works. I'll read up on what "date:" is.
>
> Thank you,
> Laurent
>
> -----Original Message-----
> From: Ralph Goers [mailto:[email protected]]
> Sent: Saturday, February 24, 2018 18:41
> To: Log4J Users List <[email protected]>
> Subject: Re: Parametrizing file names with start date of process
>
> First, you are referring to the variable as %{now} when it should be ${now}.
> Second, all that is going to do is replace ${now} in the file name with
> %d{yyyy-MM-dd} which will then be resolved when the file is created.
>
> I would suggest defining now as ${date:yyyy-MM-dd}
>
> Ralph
>
>> On Feb 24, 2018, at 12:13 PM, Laurent Hasson <[email protected]> wrote:
>>
>> Hello,
>>
>> I'd like to parametrize my log file names with the start date of the
>> process. This makes it easier for us to see after the facts in the logs if a
>> server was restarted etc...
>>
>> The approach I took was the following:
>> <Properties>
>> <Property
>> name="log-path">C:\CAPSICO\_Stand_Alone_Runtime_\logs\</Property>
>> <Property name="now">%d{yyyy-MM-dd}</Property>
>> </Properties>
>> <Appenders>
>> <RollingFile name="FILES" fileName="${log-path}/capsico.%{now}.log"
>> filePattern="${log-path}/capsico. %{now}.%i.log.gz">
>> <PatternLayout>
>> <pattern>%d{MMdd.HHmmss.SSS}#%-3t %level{length=1} %15.15c{1}|
>> %m%ex{20}%n</pattern>
>> </PatternLayout>
>> <Policies>
>> <SizeBasedTriggeringPolicy size="100 MB" />
>> </Policies>
>> <DefaultRolloverStrategy max="99999" compressionLevel="9"/>
>> </RollingFile> </Appenders>
>>
>> My thinking is that ${now} would be resolved when the system starts, and
>> then I could use the value in the file names. But the filenames print
>> '${now}' directly.
>>
>> Any help would be much appreciated.
>>
>> Thank you,
>> Laurent.
>
>
>
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