Could someone please help me understand this? On Sat, Nov 7, 2009 at 8:50 AM, Mohit Anchlia <mohitanch...@gmail.com> wrote: > I am also seeing that in Jboss (Back End) that there are lot of keep > alive sessions and I think that's the reason I am seeing the timeout. > As I add new web server it hits the 250 MaxThreads limit and then it > start to timeout. Those threads are there even though not doing any > work. I tried disabling keepalive in worker.properties but still those > threads are not being freed up. > > Could someone please tell me why that might be happening? > > On Sat, Nov 7, 2009 at 7:25 AM, Mohit Anchlia <mohitanch...@gmail.com> wrote: >> To narrow down I just left one node running and started test. When I >> look at JkStatus worker I see even though all other nodes are down >> it's still showing "OK" in the status. I am not sure why it would do >> that. Could this be the reason why I am seeing slow response times in >> mod-jk? >> >> On Fri, Nov 6, 2009 at 6:30 PM, Mohit Anchlia <mohitanch...@gmail.com> wrote: >>> I am looking at the tcpdump but I don't see packet retransmits. What >>> should I expect to see in tcpdump? thanks for your help. >>> >>> On Fri, Nov 6, 2009 at 4:05 PM, Rainer Jung <rainer.j...@kippdata.de> wrote: >>>> $ grep 110 /usr/include/*/errno.h >>>> >>>> #define ETIMEDOUT 110 /* Connection timed out */ >>>> >>>> On 07.11.2009 00:56, Mohit Anchlia wrote: >>>>> I turned on mod_jk debug and see: >>>> >>>>> [Fri Nov 06 15:48:31.190 2009] [31055:4143340384] [info] >>>>> ajp_handle_cping_cpong::jk_ajp_common.c (865): timeout in reply cpong >>>> >>>> So your backend doesn't send the required cpong answer during the >>>> timeout ou configured. >>>> >>>>> [Fri Nov 06 15:48:31.191 2009] [31055:4143340384] [debug] >>>>> jk_shutdown_socket::jk_connect.c (680): About to shutdown socket 14 >>>>> [Fri Nov 06 15:48:31.256 2009] [31044:4143340384] [debug] >>>>> jk_shutdown_socket::jk_connect.c (731): Shutdown socket 14 and read 0 >>>>> lingering bytes >>>>> [Fri Nov 06 15:48:31.256 2009] [31044:4143340384] [error] >>>>> ajp_connect_to_endpoint::jk_ajp_common.c (957): (eitappfe2) >>>>> cping/cpong after connecting to the backend server failed (errno=110) >>>>> [Fri Nov 06 15:48:31.257 2009] [31044:4143340384] [error] >>>>> ajp_send_request::jk_ajp_common.c (1467): (eitappfe2) connecting to >>>>> backend failed. Tomcat is probably not started or is listening on the >>>>> wrong port (errno=110) >>>>> [Fri Nov 06 15:48:31.257 2009] [31044:4143340384] [info] >>>>> ajp_service::jk_ajp_common.c (2407): (eitappfe2) sending request to >>>>> tomcat failed (recoverable), because of error during request sending >>>>> (attempt=1) >>>>> [Fri Nov 06 15:48:31.257 2009] [31044:4143340384] [debug] >>>>> ajp_service::jk_ajp_common.c (2267): retry 1, sleeping for 100 ms >>>>> before retrying >>>>> [Fri Nov 06 15:48:31.314 2009] [31032:4143340384] [debug] >>>>> jk_shutdown_socket::jk_connect.c (731): Shutdown socket 14 and read 0 >>>>> lingering bytes >>>>> [Fri Nov 06 15:48:31.315 2009] [31032:4143340384] [error] >>>>> ajp_connect_to_endpoint::jk_ajp_common.c (957): (eitappfe2) >>>>> cping/cpong after connecting to the backend server failed (errno=110) >>>>> [Fri Nov 06 15:48:31.315 2009] [31032:4143340384] [error] >>>>> ajp_send_request::jk_ajp_common.c (1467): (eitappfe2) connecting to >>>>> backend failed. Tomcat is probably not started or is listening on the >>>>> wrong port (errno=110) >>>>> >>>>> -- >>>>> All nodes are up and have plenty of threads configured and free. >>>> >>>> Yet they are still not responding in time. >>>> >>>> You can verify using a apcket sniff. >>>> >>>>> On Fri, Nov 6, 2009 at 3:47 PM, Mohit Anchlia <mohitanch...@gmail.com> >>>>> wrote: >>>>>> I am continously seeing the following even though all these nodes are >>>>>> up and running and receving requests. >>>>>> >>>>>> [Fri Nov 06 15:43:47.627 2009] [29200:4143332192] [error] >>>>>> ajp_send_request::jk_ajp_common.c (1467): (eitappfe3) connecting to >>>>>> backend failed. Tomcat is probably not started or is listening on the >>>>>> wrong port (errno=110) >>>>>> [Fri Nov 06 15:43:47.627 2009] [29200:4143332192] [error] >>>>>> ajp_service::jk_ajp_common.c (2426): (eitappfe3) connecting to tomcat >>>>>> failed. >>>> >>>> Regards, >>>> >>>> Rainer >>>> >>>> --------------------------------------------------------------------- >>>> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org >>>> For additional commands, e-mail: users-h...@tomcat.apache.org >>>> >>>> >>> >> >
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