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Date: Sun, 07 Oct 2012 18:46:48 -0600
From: Kirill Kireyev <kirill@instagrok.com>
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Subject: how to programmatically expire inactive sessions?
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Hi,

I'm trying to force expirations of inactive sessions in Tomcat. (For 
some reason, sessions that are inactive longer than timeout don't expire 
automatically - not sure why?)

I can do it just fine, from the Tomcat Manager web app, by clicking the 
"Expire Sessions" button.

I've tried doing it programmatically by using 
"http://localhost:8080/manager/text/expire?path=/zzz" from a script 
running on the server:
     wget -O /dev/stdout --http-user=xxx --http-password=yyy 
"http://localhost:8080/manager/text/expire?path=/zzz"

(I made sure that Tomcat user xxx has manager-script permissions). I get 
the following output:

K - Session information for application at context path /grok
Default maximum session inactive interval 20 minutes
<1 minutes: 9 sessions
1 - <2 minutes: 8 sessions
2 - <3 minutes: 11 sessions
3 - <4 minutes: 4 sessions
4 - <5 minutes: 6 sessions
5 - <6 minutes: 5 sessions
6 - <7 minutes: 9 sessions
7 - <8 minutes: 5 sessions
8 - <9 minutes: 11 sessions
9 - <10 minutes: 7 sessions
10 - <11 minutes: 10 sessions
11 - <12 minutes: 7 sessions
12 - <13 minutes: 6 sessions
13 - <14 minutes: 5 sessions
14 - <15 minutes: 9 sessions
15 - <16 minutes: 7 sessions
16 - <17 minutes: 9 sessions
17 - <18 minutes: 6 sessions
18 - <19 minutes: 9 sessions
 >=20 minutes: 666 sessions

but when I check with the Tomcat Web manager app in my web browser, I 
still see a lot of unexpired sessions (older than inactive interval) - 
which I can then manually expire, by clicking "Expire Sessions" button 
in the web app!

How can i do this automatically? (And/or why don't they expire 
automatically anyway)?

Thanks,
Kirill


-- 
*Kirill Kireyev, PhD*
Founder/CTO instaGrok.com <http://www.instagrok.com>
kirill@instagrok.com
Twitter: @instaGrok <http://twitter.com/InstaGrok>
FB: facebook.com/instagrok <http://www.facebook.com/instagrok>
<http://www.instagrok.com>

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    <meta http-equiv="content-type" content="text/html; charset=ISO-8859-1">
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  <body bgcolor="#FFFFFF" text="#000000">
    Hi, <br>
    <br>
    I'm trying to force expirations of inactive sessions in Tomcat. (For
    some reason, sessions that are inactive longer than timeout don't
    expire automatically - not sure why?) <br>
    <br>
    I can do it just fine, from the Tomcat Manager web app, by clicking
    the "Expire Sessions" button. <br>
    <br>
    I've tried doing it programmatically by using
    <a class="moz-txt-link-rfc2396E" href="http://localhost:8080/manager/text/expire?path=/zzz">"http://localhost:8080/manager/text/expire?path=/zzz"</a> from a script
    running on the server:<br>
    &nbsp;&nbsp;&nbsp; wget -O /dev/stdout --http-user=xxx --http-password=yyy
    <a class="moz-txt-link-rfc2396E" href="http://localhost:8080/manager/text/expire?path=/zzz">"http://localhost:8080/manager/text/expire?path=/zzz"</a><br>
    <br>
    (I made sure that Tomcat user xxx has manager-script permissions). I
    get the following output:<br>
    <br>
    K - Session information for application at context path /grok<br>
    Default maximum session inactive interval 20 minutes<br>
    &lt;1 minutes: 9 sessions<br>
    1 - &lt;2 minutes: 8 sessions<br>
    2 - &lt;3 minutes: 11 sessions<br>
    3 - &lt;4 minutes: 4 sessions<br>
    4 - &lt;5 minutes: 6 sessions<br>
    5 - &lt;6 minutes: 5 sessions<br>
    6 - &lt;7 minutes: 9 sessions<br>
    7 - &lt;8 minutes: 5 sessions<br>
    8 - &lt;9 minutes: 11 sessions<br>
    9 - &lt;10 minutes: 7 sessions<br>
    10 - &lt;11 minutes: 10 sessions<br>
    11 - &lt;12 minutes: 7 sessions<br>
    12 - &lt;13 minutes: 6 sessions<br>
    13 - &lt;14 minutes: 5 sessions<br>
    14 - &lt;15 minutes: 9 sessions<br>
    15 - &lt;16 minutes: 7 sessions<br>
    16 - &lt;17 minutes: 9 sessions<br>
    17 - &lt;18 minutes: 6 sessions<br>
    18 - &lt;19 minutes: 9 sessions<br>
    &gt;=20 minutes: 666 sessions<br>
    <br>
    but when I check with the Tomcat Web manager app in my web browser,
    I still see a lot of unexpired sessions (older than inactive
    interval) - which I can then manually expire, by clicking "Expire
    Sessions" button in the web app!<br>
    <br>
    How can i do this automatically? (And/or why don't they expire
    automatically anyway)?<br>
    <br>
    Thanks,<br>
    Kirill<br>
    <br>
    <br>
    <br>
    <div class="moz-signature">-- <br>
      <b>Kirill Kireyev, PhD</b><br>
      Founder/CTO <a href="http://www.instagrok.com">instaGrok.com</a><br>
      <a class="moz-txt-link-abbreviated" href="mailto:kirill@instagrok.com">kirill@instagrok.com</a><br>
      Twitter: <a href="http://twitter.com/InstaGrok">@instaGrok</a><br>
      FB: <a href="http://www.facebook.com/instagrok">facebook.com/instagrok</a><br>
      <a href="http://www.instagrok.com"><img
          src="cid:part4.08040204.04020400@instagrok.com"></a></div>
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