How to Pass Application Name in TCPSocketServer implementation from client to server

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How to Pass Application Name in TCPSocketServer implementation from client to server

Anhad Singh Bhasin
Hello everyone,

I am new to Log4J2 and unable to find answer to a simple question, which am
sure would be a simple thing for someone who has worked on Log4J2. I tried
asking the same question on Stack Overflow but no one replied hence asking
the same question here. Any help would be deeply appreciated. Thanks a lot.

The question link on Stack over flow is this -  https://stackoverflow.com/
questions/44445108/log4j2-how-to-pass-application-name-in-tcpsocketserver-
implementation-from-cli

Same Question here : I am running a Log4J2 TCPSocketServer on an edge node
in a cluster. All the data nodes send log events to the TCPSocketServer on
the edge node and also log locally in the data node using the log4j2.xml
configuration file as shown below. The Application Name is stored as a
System property and is accessible in the data node or client's log4j2.xml
configuration using ${sys:ABC.appname}. How can I send the same appname to
the edge node where TCPSocketServer is running using the log4j2.xml. I
would be using the same Application Name in the log4j2-server.xml to log
events into separate log files just like I am doing locally on data node.

Sample snippet from data node or Client - log4j2.xml :

    <?xml version="1.0" encoding="UTF-8"?>
    <Configuration status="warn" name="MyApp" >
    <Appenders>
    <Socket name="socket" host="localhost" port="12345" >
    <SerializedLayout />
    </Socket>
    <File name="MyFile" fileName="/var/log/${sys:ABC.appname}.log" >
    <PatternLayout>
    <Pattern>%d{ISO8601} %p %c{1.} [%t] %m%n</Pattern>
    </PatternLayout>
    </File>
    </Appenders>
    <Loggers>
    <Root level="debug">
    <AppenderRef ref="socket"/>
    <AppenderRef ref="MyFile"/>
    </Root>
    </Loggers>
    </Configuration>

Sample snippet from edge node or Server - log4j2-server.xml

    <?xml version="1.0" encoding="UTF-8"?>
    <Configuration status="WARN">
    <Appenders>
    <File name="MyFile" fileName="/var/log/data/${hostName}-<**This is
where I would like to see the appname from data node**>.log" >
    <PatternLayout>
    <Pattern>%d{ISO8601} %p %c{1.} [%t] %m%n</Pattern>
    </PatternLayout>
    </File>
    <Async name="AsyncFile">
    <AppenderRef ref="MyFile" />
    </Async>
    </Appenders>
    <Loggers>
    <Root level="WARN">
    <AppenderRef ref="AsyncFile"/>
    </Root>
    </Loggers>
    </Configuration>


Thank you so much for your time.

Regards,

Anhad Singh Bhasin
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Re: How to Pass Application Name in TCPSocketServer implementation from client to server

Matt Sicker
You could add that data to the ThreadContext which would be sent along with
each log message.

On 9 June 2017 at 01:46, Anhad Singh Bhasin <[hidden email]> wrote:

> Hello everyone,
>
> I am new to Log4J2 and unable to find answer to a simple question, which am
> sure would be a simple thing for someone who has worked on Log4J2. I tried
> asking the same question on Stack Overflow but no one replied hence asking
> the same question here. Any help would be deeply appreciated. Thanks a lot.
>
> The question link on Stack over flow is this -  https://stackoverflow.com/
> questions/44445108/log4j2-how-to-pass-application-name-in-tcpsocketserver-
> implementation-from-cli
>
> Same Question here : I am running a Log4J2 TCPSocketServer on an edge node
> in a cluster. All the data nodes send log events to the TCPSocketServer on
> the edge node and also log locally in the data node using the log4j2.xml
> configuration file as shown below. The Application Name is stored as a
> System property and is accessible in the data node or client's log4j2.xml
> configuration using ${sys:ABC.appname}. How can I send the same appname to
> the edge node where TCPSocketServer is running using the log4j2.xml. I
> would be using the same Application Name in the log4j2-server.xml to log
> events into separate log files just like I am doing locally on data node.
>
> Sample snippet from data node or Client - log4j2.xml :
>
>     <?xml version="1.0" encoding="UTF-8"?>
>     <Configuration status="warn" name="MyApp" >
>     <Appenders>
>     <Socket name="socket" host="localhost" port="12345" >
>     <SerializedLayout />
>     </Socket>
>     <File name="MyFile" fileName="/var/log/${sys:ABC.appname}.log" >
>     <PatternLayout>
>     <Pattern>%d{ISO8601} %p %c{1.} [%t] %m%n</Pattern>
>     </PatternLayout>
>     </File>
>     </Appenders>
>     <Loggers>
>     <Root level="debug">
>     <AppenderRef ref="socket"/>
>     <AppenderRef ref="MyFile"/>
>     </Root>
>     </Loggers>
>     </Configuration>
>
> Sample snippet from edge node or Server - log4j2-server.xml
>
>     <?xml version="1.0" encoding="UTF-8"?>
>     <Configuration status="WARN">
>     <Appenders>
>     <File name="MyFile" fileName="/var/log/data/${hostName}-<**This is
> where I would like to see the appname from data node**>.log" >
>     <PatternLayout>
>     <Pattern>%d{ISO8601} %p %c{1.} [%t] %m%n</Pattern>
>     </PatternLayout>
>     </File>
>     <Async name="AsyncFile">
>     <AppenderRef ref="MyFile" />
>     </Async>
>     </Appenders>
>     <Loggers>
>     <Root level="WARN">
>     <AppenderRef ref="AsyncFile"/>
>     </Root>
>     </Loggers>
>     </Configuration>
>
>
> Thank you so much for your time.
>
> Regards,
>
> Anhad Singh Bhasin
>



--
Matt Sicker <[hidden email]>
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Re: How to Pass Application Name in TCPSocketServer implementation from client to server

Anhad Singh Bhasin
Thanks Matt, ThreadContext did the trick.
I really appreciate you taking the time out to answer my question.

Regards,
Anhad

On Fri, Jun 9, 2017 at 8:07 AM, Matt Sicker <[hidden email]> wrote:

> You could add that data to the ThreadContext which would be sent along with
> each log message.
>
> On 9 June 2017 at 01:46, Anhad Singh Bhasin <[hidden email]> wrote:
>
> > Hello everyone,
> >
> > I am new to Log4J2 and unable to find answer to a simple question, which
> am
> > sure would be a simple thing for someone who has worked on Log4J2. I
> tried
> > asking the same question on Stack Overflow but no one replied hence
> asking
> > the same question here. Any help would be deeply appreciated. Thanks a
> lot.
> >
> > The question link on Stack over flow is this -
> https://stackoverflow.com/
> > questions/44445108/log4j2-how-to-pass-application-name-in-
> tcpsocketserver-
> > implementation-from-cli
> >
> > Same Question here : I am running a Log4J2 TCPSocketServer on an edge
> node
> > in a cluster. All the data nodes send log events to the TCPSocketServer
> on
> > the edge node and also log locally in the data node using the log4j2.xml
> > configuration file as shown below. The Application Name is stored as a
> > System property and is accessible in the data node or client's log4j2.xml
> > configuration using ${sys:ABC.appname}. How can I send the same appname
> to
> > the edge node where TCPSocketServer is running using the log4j2.xml. I
> > would be using the same Application Name in the log4j2-server.xml to log
> > events into separate log files just like I am doing locally on data node.
> >
> > Sample snippet from data node or Client - log4j2.xml :
> >
> >     <?xml version="1.0" encoding="UTF-8"?>
> >     <Configuration status="warn" name="MyApp" >
> >     <Appenders>
> >     <Socket name="socket" host="localhost" port="12345" >
> >     <SerializedLayout />
> >     </Socket>
> >     <File name="MyFile" fileName="/var/log/${sys:ABC.appname}.log" >
> >     <PatternLayout>
> >     <Pattern>%d{ISO8601} %p %c{1.} [%t] %m%n</Pattern>
> >     </PatternLayout>
> >     </File>
> >     </Appenders>
> >     <Loggers>
> >     <Root level="debug">
> >     <AppenderRef ref="socket"/>
> >     <AppenderRef ref="MyFile"/>
> >     </Root>
> >     </Loggers>
> >     </Configuration>
> >
> > Sample snippet from edge node or Server - log4j2-server.xml
> >
> >     <?xml version="1.0" encoding="UTF-8"?>
> >     <Configuration status="WARN">
> >     <Appenders>
> >     <File name="MyFile" fileName="/var/log/data/${hostName}-<**This is
> > where I would like to see the appname from data node**>.log" >
> >     <PatternLayout>
> >     <Pattern>%d{ISO8601} %p %c{1.} [%t] %m%n</Pattern>
> >     </PatternLayout>
> >     </File>
> >     <Async name="AsyncFile">
> >     <AppenderRef ref="MyFile" />
> >     </Async>
> >     </Appenders>
> >     <Loggers>
> >     <Root level="WARN">
> >     <AppenderRef ref="AsyncFile"/>
> >     </Root>
> >     </Loggers>
> >     </Configuration>
> >
> >
> > Thank you so much for your time.
> >
> > Regards,
> >
> > Anhad Singh Bhasin
> >
>
>
>
> --
> Matt Sicker <[hidden email]>
>
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