You need to get some Java thread dumps of the JBoss during the time the
problem is visible. The reason for the hanging backend most likely can
be found by investigating the thread dumps.
That's kind of an FAQ answer, you can google for Java thread dump.
Regards,
Rainer
Steve Gaunt wrote:
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
[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
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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