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From "Steve Gaunt" <SGa...@emeraldinsight.com>
Subject Tomcat ajp connections stuck in service mode
Date Mon, 21 Jan 2008 15:59:26 GMT
  

Hi Guys

 

 

I have tomcat 5.0(shipped as part of jboss 4.02), and this has a static
web context set up within the tomcat server.xml

 

<Context docBase='G:/figs' path='/fig'/>  

 

This works fine for long periods, but for some unknown reason, this web
context mapping seems to get stuck and fail to service all the files
within the G:/figs folder back to the client.    The web application
then gets stuck using all the jk connections.  Tomcat still listens to
requests, but fails to respond and just hangs.  The docbase G:\figs is a
network mapping to a SAN.  

 

An example of the status( all 400 threads are used by similar URLS - all
going to the fig web context).

 

 

 

jk-8009

Max threads: 400 Min spare threads: 4 Max spare threads: 50 Current
thread count: 400 Current thread busy: 400
Max processing time: 2271757 ms Processing time: 688574 s Request count:
2034097 Error count: 104644 Bytes received: 0.00 MB Bytes sent: 46928.70
MB

Stage

Time

B Sent

B Recv

Client

VHost

Request

S

2476771 ms

0 KB

0 KB

134.245.122.85

www.emeraldinsight.com

GET /fig/1200110401005.png HTTP/1.0

S

2371030 ms

0 KB

0 KB

58.26.136.25

www.emeraldinsight.com

GET /fig/0490300605004.png HTTP/1.1

S

2548157 ms

0 KB

0 KB

130.243.34.101

www.emeraldinsight.com

GET /fig/2380240207002.png HTTP/1.1

S

2507095 ms

0 KB

0 KB

130.37.129.78

www.emeraldinsight.com

GET /fig/1080140108002.png HTTP/1.0

 

 

 

I really do hope someone has encountered something like this before??

 

Very much appreciated if anyone can shed any light and help.

 

Thanks in advance.

 

Steven Gaunt 

Technical Architect 

Emerald Group Publishing Limited

Howard House

Wagon Lane

Bingley BD16 1WA

Tel: +44 (0) 1274 785262

 

sgaunt@emeraldinsight.com <mailto:sgaunt@emeraldinsight.com> 
http://www.emeraldinsight.com <http://www.emeraldinsight.com/> 

 

 Emerald Group Publishing Limited.  40 Years in Publishing 1967 - 2007.
The world's leading publisher of management journals and databases

VAT number: GB 665 3593 06


Emerald Group Publishing Limited, Registered Office: Howard House, Wagon Lane, Bingley, BD16
1WA United Kingdom. Registered in England No. 3080506, VAT No. GB 665 3593 06
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