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From "Johnny Kewl" <>
Subject Re: Tomcat 5.5.25 freezes
Date Fri, 04 Jul 2008 11:04:31 GMT

----- Original Message ----- 
From: "Anthony Chamas" <>
To: "Tomcat Users List" <>
Sent: Friday, July 04, 2008 11:01 AM
Subject: Re: Tomcat 5.5.25 freezes

Thanks for your replies, I'll try to disable the keep-alive
connections ... Will get back to you...
One detail I did not mention : I am on a 2003 server ( which does not
make the thread dump that easy ! )

Its very easy.... see this link
Start TC from the command line, the start.BAT... it is destructive, it will 
take TC down.

I dont think disabling Keep alives will do it... I think making the pages 
http/1.0 will, but the problem is still there, not all the data is getting 
I would start by looking at all the file IO and making absolutely sure the 
streams are being closed.

BTW in the Dos box you can copy the dump... use mark and just press enter, 
then paste to email.

Windows really doesnt like file locks... for example when tomcat is running, 
try open a log file... you'll see windows complain on notepad.
If its only happening on your servlets... I suspect a data size issue.
If its happening on static files, like a little old html file, or an image 
file on disk... something you dont mess with at all, then I think there is a 
system issue.

I would also try turning off any antivirus software on the server... and on 
the 2000's virus software actually breaks the sockets... so you have to 
re-apply the latest service pack again... there are articles out there on 
the subject...

Think you going to go, ah silly mistake, or @#$@!Microsoft ;)
Also try different TC versions if you suspect TC...

Have fun... now I'm dying to know what the issue is ;)

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