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From "Cheltenham, Chris" <ccheltenham-...@philasd.org>
Subject RE: tomcat
Date Thu, 05 Apr 2018 15:13:09 GMT
Chris,

Thanks for answering.
It's not a big problem just a bit annoying.

I created a system service.
Maybe I did not format it correctly.

What si generally do is stop tomcat
#systemctl stop tomcat
And then blow out the /opt/apache-tomcat/logs files.

Then restart it as
#systemctl start tomcat.

Sometimes it starts but there are not files in /opt/apache-tomcat/logs
As soon as I see that I stop it and start it again.

I delete the logs so I have less minutia to parse through.



===========================

Thank You;

Chris Cheltenham
Technology Services
The School District of Philadelphia

Work # 215-400-5025
Cell # 215-301-6571


-----Original Message-----
From: Christopher Schultz <chris@christopherschultz.net>
Sent: Thursday, April 5, 2018 10:58 AM
To: users@tomcat.apache.org
Subject: Re: tomcat

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

Chris,

On 4/5/18 9:08 AM, Cheltenham, Chris wrote:
> There is a behavior I see in tomcat at times which is puzzling to me.
>
> Sometimes when I start up tomcat it doesn’t log anything.

To which files? Any of them?

> Maybe I am restarting it too fast?

Possibly. How are you restarting it?

> I don’t have any other symptoms to report other than sometimes when a
> start tomcat it does not log anything.
>
> Does anyone know why that happens?

My guess is that your restart process somehow rotates the file(s) you are 
expecting out of the way (or deletes them) but the new process has already 
started logging to them, so it looks like nothing is happening.

On *NIX systems, processes will happily continue to write to deleted files 
and the data basically never makes it to the disk. (Actually, it does make 
it to the disk, but no other process can reasonably read that data).

Another possibility is that Tomcat is basically not starting, due to e.g. a 
port conflict. When this happens, Tomcat logs a small amount and shuts down. 
But in that case, you'd be saying "Tomcat does not start up again" so that's 
probably not the case, here.

- -chris
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