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From "K J.Sreekumar" <k.j.sreeku...@comprotechnologies.com>
Subject Re: Tomcat stops responding
Date Wed, 22 Dec 2010 13:39:09 GMT
Hello Andre


>>>  TCP    0.0.0.0:8080           0.0.0.0:0              LISTENING
>>> 5356
>>>
>>>  [tomcat6.exe]
>>>
>>>
>> Apart from the above and the other ports in LISTEN state, when "tomcat
>> freezes", do you have any other ports in the netstat listing, shown as
>> "CLOSE_WAIT" for example ?
>> If yes, how many ?
>>
>
These are the ports in the close wait state -

  TCP    127.0.0.1:3450         127.0.0.1:8080         CLOSE_WAIT      1836

  [httpd.exe]



  TCP    127.0.0.1:5152         127.0.0.1:1054         CLOSE_WAIT      2284

  [jqs.exe]



  TCP    192.168.103.117:1790   184.84.255.35:80 <http://184.84.255.35/>
CLOSE_WAIT      6008

  [jucheck.exe]



  TCP    192.168.103.117:1973   192.168.103.117:8080   CLOSE_WAIT      1836

  [httpd.exe]



  TCP    192.168.103.117:2074   192.168.103.117:8080   CLOSE_WAIT      1836

  [httpd.exe]



  TCP    192.168.103.117:3825   192.168.103.117:8080   CLOSE_WAIT      1836

  [httpd.exe]



  TCP    192.168.103.117:4697   192.168.103.117:8080   CLOSE_WAIT      1836

  [httpd.exe]



  TCP    192.168.103.117:4701   192.168.103.117:8080   CLOSE_WAIT      1836

  [httpd.exe]



  TCP    192.168.103.117:4702   192.168.103.117:8080   CLOSE_WAIT      1836

  [httpd.exe]



  TCP    192.168.103.117:4903   72.247.219.72:80 <http://72.247.219.72/>
CLOSE_WAIT      2300

  [jucheck.exe]



>> Then, the next time Tomcat appears to freeze, try with a browser to access
> the "freeze" page, as :
> http://(hostname)/freeze/freeze.html
> and as
> http://(hostname):8080/freeze/freeze.html
>
> and let's see what happens.


We have another test application running on tomcat, which also fails to
respond once tomcat starts ignoring requests; so is the case with tomcat
manager too.

We are trying to replicate this behavior again by directly running tomcat on
80; will be posting the observations here.

Thanks and Regards
Sreekumar

>


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