Ok.  Sorry, I tried the easy answer, sometimes you get lucky :)  Beyond
that I'm afraid I can't think of anything off the top of my head.

Frank

On Wed, August 24, 2005 4:38 pm, David Boyer said:
> This is our main public web server. We routinely have more than 10
> connections. The limit we're hitting seems only to affect the connection
> between IIS and Tomcat.
>
> I don't think IIS 6 has the same slider as IIS 5 did for this. However, I
> have verified that I have connection limits set to 'unlimited' at both the
> global and site levels.
>
> ----- Original Message -----
> From: "Frank W. Zammetti" <[EMAIL PROTECTED]>
> To: "Tomcat Users List" <tomcat-user@jakarta.apache.org>
> Cc: "Tomcat Users List" <tomcat-user@jakarta.apache.org>
> Sent: Wednesday, August 24, 2005 3:31 PM
> Subject: Re: 10 connection limit with IIS and JK/ISAPI 1.2.14
>
>
>> If memory serves, IIS defaults to a 10 connection maximum.  You need to
>> go
>> into the admin console and move the pretty slider over :)
>>
>> Also if memory serves, there is a hard 10 connection limit for the
>> non-server versions, but that doesn't apply here apparently.
>>
>> --
>> Frank W. Zammetti
>> Founder and Chief Software Architect
>> Omnytex Technologies
>> http://www.omnytex.com
>>
>> On Wed, August 24, 2005 4:28 pm, David Boyer said:
>>> is is fairly common with non-server version of IIS, but that's by
>>> design.
>>> I'm using Windows Server 2003 Enterprise. Thanks.
>>>
>>> ----- Original Message -----
>>> From: "Jay Burgess" <[EMAIL PROTECTED]>
>>> To: <tomcat-user@jakarta.apache.org>
>>> Sent: Wednesday, August 24, 2005 3:19 PM
>>> Subject: RE: 10 connection limit with IIS and JK/ISAPI 1.2.14
>>>
>>>
>>>>I don't really have an answer for you, but Google'ing "iis 10
>>>> connection
>>>>limit"
>>>> returns a lot of hits.  It looks like a fairly common question/issue.
>>>> Maybe
>>>> it'll help.
>>>>
>>>> Jay
>>>>
>>>> | Jay Burgess [Vertical Technology Group]
>>>> | "Essential Technology Links"
>>>> | http://www.vtgroup.com/
>>>>
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: David [mailto:[EMAIL PROTECTED]
>>>> Sent: Wednesday, August 24, 2005 3:09 PM
>>>> To: tomcat-user@jakarta.apache.org
>>>> Subject: 10 connection limit with IIS and JK/ISAPI 1.2.14
>>>>
>>>> I'm using Tomcat 5.5.9 on Windows Server 2003, JDK 1.5.0_04, IIS 6.0,
>>>> with
>>>> the
>>>> JK 1.2.14 isapi_redirector.dll.
>>>>
>>>> I've been trying to track down a problem whereby all of the web apps
>>>> under
>>>> our
>>>> Tomcat instance are seeming to stall. There's no indication of any
>>>> problems in
>>>> the Tomcat logs themselves. I suspect IIS is unable to forward
>>>> requests
>>>> to
>>>> Tomcat. I either have to recycle the IIS worker process or restart
>>>> Tomcat
>>>> to
>>>> resolve the problem.
>>>>
>>>> Here's what I'm seeing with netstat (port 8008 is my AJP 1.3 port):
>>>>
>>>> Z:\>netstat -a -n | grep 8008
>>>>  TCP    0.0.0.0:8008           0.0.0.0:0              LISTENING
>>>>  TCP    147.92.2.137:2871      147.92.2.137:8008      ESTABLISHED
>>>>  TCP    147.92.2.137:2915      147.92.2.137:8008      ESTABLISHED
>>>>  TCP    147.92.2.137:2944      147.92.2.137:8008      ESTABLISHED
>>>>  TCP    147.92.2.137:2965      147.92.2.137:8008      ESTABLISHED
>>>>  TCP    147.92.2.137:2969      147.92.2.137:8008      ESTABLISHED
>>>>  TCP    147.92.2.137:3019      147.92.2.137:8008      ESTABLISHED
>>>>  TCP    147.92.2.137:3034      147.92.2.137:8008      ESTABLISHED
>>>>  TCP    147.92.2.137:3039      147.92.2.137:8008      ESTABLISHED
>>>>  TCP    147.92.2.137:3041      147.92.2.137:8008      ESTABLISHED
>>>>  TCP    147.92.2.137:3060      147.92.2.137:8008      ESTABLISHED
>>>>  TCP    147.92.2.137:8008      147.92.2.137:2871      ESTABLISHED
>>>>  TCP    147.92.2.137:8008      147.92.2.137:2915      ESTABLISHED
>>>>  TCP    147.92.2.137:8008      147.92.2.137:2944      ESTABLISHED
>>>>  TCP    147.92.2.137:8008      147.92.2.137:2965      ESTABLISHED
>>>>  TCP    147.92.2.137:8008      147.92.2.137:2969      ESTABLISHED
>>>>  TCP    147.92.2.137:8008      147.92.2.137:3019      ESTABLISHED
>>>>  TCP    147.92.2.137:8008      147.92.2.137:3034      ESTABLISHED
>>>>  TCP    147.92.2.137:8008      147.92.2.137:3039      ESTABLISHED
>>>>  TCP    147.92.2.137:8008      147.92.2.137:3041      ESTABLISHED
>>>>  TCP    147.92.2.137:8008      147.92.2.137:3060      ESTABLISHED
>>>>
>>>> Every time the stall has happened, I have noticed that there are
>>>> always
>>>> exactly
>>>> ten connetions between IIS and Tomcat (they're on the same server).
>>>> Everything
>>>> works fine until we reach this point.
>>>>
>>>> In my JK log, I'm seeing things like this:
>>>>
>>>> [Wed Aug 24 14:10:57 2005] [error]
>>>> ajp_connection_tcp_get_message::jk_ajp_common.c (961): Can't receive
>>>> the
>>>> response message from tomcat, network problems or tomcat is down
>>>> (147.92.2.137:8008), err=-54
>>>> [Wed Aug 24 14:10:57 2005] [error] ajp_get_reply::jk_ajp_common.c
>>>> (1503):
>>>> Tomcat
>>>> is down or refused connection. No response has been sent to the client
>>>> (yet)
>>>>
>>>>
>>>> My workers.properties looks like this:
>>>>
>>>> worker.list=ajp13a
>>>>
>>>> worker.ajp13a.port=8008
>>>> worker.ajp13a.host=www.bvu.edu
>>>> worker.ajp13a.type=ajp13
>>>>
>>>> cachesize=20
>>>> cache_timeout=600
>>>> recycle_timeout=300
>>>>
>>>>
>>>> And here's the AJP connection defininition from my server.xml:
>>>>
>>>>    <Connector port="8008"
>>>>               maxThreads="150" minSpareThreads="25"
>>>> maxSpareThreads="75"
>>>>               enableLookups="false" redirectPort="443" debug="5"
>>>> connectionTimeout="20000"
>>>>               protocol="AJP/1.3"/>
>>>>
>>>>
>>>> Any idea what might be happening? It sure looks like I'm hitting some
>>>> kind
>>>> of 10
>>>> connection limit somewhere, but I can't seem to figure out where.
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
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