sending request to tomcat failed (unrecoverable) ...
am 30.10.2009 08:45:36 von thomas2004I met a problem:
I use the Apache Httpd Web Server as the web-load-balancing. It works as an
interface between the Client-User and the back-end program deployed on
Jboss.
One of the function of the web-application is generating portfolio-report
and this is a PDF file. The problem is, if the user click "Generate
Report-Light", after a few seconds the user will get the PDF shown in
browser. The PDF is small and has just 3 pages. But as the user click
"Generate Report" (this report is big and has 300 pages and 7 MB), it takes
very long time without end and can not get the PDF shown. I read the
mod_jk.log and find the following error messages:
[code]
[Fri Oct 30 08:22:59 2009] [13902:2537062720] [info]
ajp_service::jk_ajp_common.c (2447): (worker_portfolio_son1) sending request
to tomcat failed (unrecoverable), because of client write error (attempt=1)
[Fri Oct 30 08:23:01 2009] [13902:2537062720] [info] service::jk_lb_worker.c
(1384): service failed, worker worker_portfolio_son1 is in local error state
[Fri Oct 30 08:23:01 2009] [13902:2537062720] [info] service::jk_lb_worker.c
(1403): unrecoverable error 200, request failed. Client failed in the middle
of request, we can't recover to another instance.
[Fri Oct 30 08:23:01 2009] worker_portfolio
citibank-extranet-ru-test.civ-versicherung.de 428.125670
[Fri Oct 30 08:23:01 2009] [13902:2537062720] [info] jk_handler::mod_jk.c
(2608): Aborting connection for worker=worker_portfolio
....
[/code]
If I take out the Http-WebServer, i.g. let the access to Jboss directly,
there is no problem.
I think it could be the problem of timeout-setting in "workers.properties".
Here is my "workers.properties", can someone tell me where should I change?
[code]
worker.list=jkstatus, worker_portfolio
worker.jkstatus.type=status
worker.template.connection_pool_timeout=1000
worker.template.socket_keepalive=True
worker.template.lbfactor=1
worker.template.type=ajp13
worker.template.ping_timeout=10000
worker.template.ping_mode=A
worker.template.retries=2
worker.template.activation=A
worker.template.recovery_options=7
# Definition worker_portfolio and his son
worker.worker_portfolio.balance_workers=worker_portfolio_son 1
worker.worker_portfolio.error_escalation_time=0
worker.worker_portfolio.sticky_session=True
worker.worker_portfolio.type=lb
worker.worker_portfolio_son1.reference=worker.template
worker.worker_portfolio_son1.port=8009
worker.worker_portfolio_son1.host=appl-portfolio-test.proact iv.de
[/code]
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