trying error_logger under yaws

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trying error_logger under yaws

by mchenini :: Rate this Message:

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Hi,

 

I tried the example 2-23 in page 33 from the upcoming book ‘Building Web Applications with Erlang’ .

The example is simple as shown below

 

<erl>

 

out(Arg) ->

error_logger:info_msg("~p:~p User Entered the System~n",

[?MODULE,?LINE]),

{html, "Logger"}.

 

</erl>

 

It is supposed to output this:

 

=INFO REPORT==== 16-Jan-2012::13:38:52 ===

m1:13 User Entered the System

 

But it is outputing this instead.

Logger

 

I also tried to do this:

 

Logger  = error_logger:info_msg("~p:~p User Entered the System~n",[?MODULE,?LINE]),

{html, "Logger"}.

 

 

But it did not help.

 

Please let me know what I am doing wrong.

 

Thanks,

Mohamed

 

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Re: trying error_logger under yaws

by Steve Vinoski-2 :: Rate this Message:

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The logging message won't appear in your browser, if that's what
you're expecting. Look up your logdir in your yaws.conf -- it defaults
to /usr/local/var/log/yaws -- and look in the report.log file there.
You'll find the error_logger message there. Also, if you run yaws
interactively (yaws -i) you'll also see the logging message appear on
your console.

--steve

On Fri, Mar 30, 2012 at 9:22 AM, Chenini, Mohamed <MChenini@...> wrote:

> Hi,
>
>
>
> I tried the example 2-23 in page 33 from the upcoming book ‘Building Web
> Applications with Erlang’ .
>
> The example is simple as shown below
>
>
>
> <erl>
>
>
>
> out(Arg) ->
>
> error_logger:info_msg("~p:~p User Entered the System~n",
>
> [?MODULE,?LINE]),
>
> {html, "Logger"}.
>
>
>
> </erl>
>
>
>
> It is supposed to output this:
>
>
>
> =INFO REPORT==== 16-Jan-2012::13:38:52 ===
>
> m1:13 User Entered the System
>
>
>
> But it is outputing this instead.
>
> Logger
>
>
>
> I also tried to do this:
>
>
>
> Logger  = error_logger:info_msg("~p:~p User Entered the
> System~n",[?MODULE,?LINE]),
>
> {html, "Logger"}.
>
>
>
>
>
> But it did not help.
>
>
>
> Please let me know what I am doing wrong.
>
>
>
> Thanks,
>
> Mohamed
>
>
>
> ====================
> This email/fax message is for the sole use of the intended
> recipient(s) and may contain confidential and privileged information.
> Any unauthorized review, use, disclosure or distribution of this
> email/fax is prohibited. If you are not the intended recipient, please
> destroy all paper and electronic copies of the original message.
>
>
> ------------------------------------------------------------------------------
> This SF email is sponsosred by:
> Try Windows Azure free for 90 days Click Here
> http://p.sf.net/sfu/sfd2d-msazure
> _______________________________________________
> Erlyaws-list mailing list
> Erlyaws-list@...
> https://lists.sourceforge.net/lists/listinfo/erlyaws-list
>

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Re: trying error_logger under yaws

by mchenini :: Rate this Message:

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Hi,

Indeed I found it in the log at /home/u1c332/web/var/log/yaws/report.log

=INFO REPORT==== 29-Mar-2012::16:20:23 ===
m45:14 User Entered the System

I will try it interactively too.

Thanks for this info.

Regards,
Mohamed



-----Original Message-----
From: vinoski@... [mailto:vinoski@...] On Behalf Of Steve Vinoski
Sent: Friday, March 30, 2012 1:22 PM
To: Chenini, Mohamed
Cc: erlyaws-list@...
Subject: Re: [Erlyaws-list] trying error_logger under yaws

The logging message won't appear in your browser, if that's what you're expecting. Look up your logdir in your yaws.conf -- it defaults to /usr/local/var/log/yaws -- and look in the report.log file there.
You'll find the error_logger message there. Also, if you run yaws interactively (yaws -i) you'll also see the logging message appear on your console.

--steve

On Fri, Mar 30, 2012 at 9:22 AM, Chenini, Mohamed <MChenini@...> wrote:

> Hi,
>
>
>
> I tried the example 2-23 in page 33 from the upcoming book 'Building
> Web Applications with Erlang' .
>
> The example is simple as shown below
>
>
>
> <erl>
>
>
>
> out(Arg) ->
>
> error_logger:info_msg("~p:~p User Entered the System~n",
>
> [?MODULE,?LINE]),
>
> {html, "Logger"}.
>
>
>
> </erl>
>
>
>
> It is supposed to output this:
>
>
>
> =INFO REPORT==== 16-Jan-2012::13:38:52 ===
>
> m1:13 User Entered the System
>
>
>
> But it is outputing this instead.
>
> Logger
>
>
>
> I also tried to do this:
>
>
>
> Logger  = error_logger:info_msg("~p:~p User Entered the
> System~n",[?MODULE,?LINE]),
>
> {html, "Logger"}.
>
>
>
>
>
> But it did not help.
>
>
>
> Please let me know what I am doing wrong.
>
>
>
> Thanks,
>
> Mohamed
>
>
>
> ====================
> This email/fax message is for the sole use of the intended
> recipient(s) and may contain confidential and privileged information.
> Any unauthorized review, use, disclosure or distribution of this
> email/fax is prohibited. If you are not the intended recipient, please
> destroy all paper and electronic copies of the original message.
>
>
> ----------------------------------------------------------------------
> --------
> This SF email is sponsosred by:
> Try Windows Azure free for 90 days Click Here
> http://p.sf.net/sfu/sfd2d-msazure 
> _______________________________________________
> Erlyaws-list mailing list
> Erlyaws-list@...
> https://lists.sourceforge.net/lists/listinfo/erlyaws-list
>
====================
This email/fax message is for the sole use of the intended
recipient(s) and may contain confidential and privileged information.
Any unauthorized review, use, disclosure or distribution of this
email/fax is prohibited. If you are not the intended recipient, please
destroy all paper and electronic copies of the original message.


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