Accessing stdout while remotely monitoring tomcat with lambda probe

[Daniele Development-ML <da...@googlemail.com>]

Hello everybody,
I'm trying to monitor Tomcat with lambdaprobe and I'm coming across some
configuration difficulties - the best place where to post this question
would be their forum, but it appears to be not very active and thus I'm
giving a go here.

The problem is that I cannot visualise the content of the stdout file, which
is automatically redirected in CATALINA/logs/stdout_20090816.log .

I wonder how I could possibly configure the application to include this file
in the log file list. Could you suggest anything about this?

I know that a good practice should be using the logging system, rather than
printing out on stdout, but I have to temporarily get around this.

Thanks!

Dan

RE: Accessing stdout while remotely monitoring tomcat with lambda probe

["Caldarale, Charles R" <Ch...@unisys.com>]

> From: Daniele Development-ML [mailto:daniele.dml@googlemail.com]
> Subject: Accessing stdout while remotely monitoring tomcat with lambda
> probe
> 
> The problem is that I cannot visualise the content of the stdout file,
> which is automatically redirected in CATALINA/logs/stdout_20090816.log .

When posting, it's extremely beneficial to give people a clue about the environment you're running with, such as the Tomcat version, JRE/JDK version, OS, etc.

I'm guessing you're running Tomcat as a Windows service.  The redirection of stdout is done by the service wrapper, not Tomcat proper; Tomcat actually has no knowledge of that redirection so Lambda Probe doesn't either.

You can try setting swallowOuput to "true" for the webapps of interest (or in conf/context.xml if you want it to apply to all webapps).  That should get most if not all of the data currently going to stdout into one of the regular log files that Lambda Probe does know about.

Doc reference:
http://tomcat.apache.org/tomcat-6.0-doc/config/context.html#Standard%20Implementation

 - Chuck


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