-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Igor,
On 3/6/13 9:02 PM, Igor Cicimov wrote: > On Thu, Mar 7, 2013 at 3:03 AM, <dietmar.muel...@eurotours.at> > wrote: > >> hi all >> >> i setup apache <--> mod_jk <--> tomcat the firsttime with >> firewall. what i saw was a not working page. after search and >> read the mod_jk docs i see and found the reason. the firewall >> drop the jk connection. i try to set properties like keep_alive >> and ping but i never see with wireshark any package do exact the >> job, what i read from the doc (might i missunderstand something) >> --> send after some time a ping. i expect this on the ajp >> connection. i watch the complete traffic between apache and >> tomcat >> >> my config is stright forward: >> >> worker.list=jkstatus, tc >> >> worker.jkstatus.type=status >> >> worker.tc.type=lb worker.tc.balance_workers=1 >> >> worker.1.type=ajp13 worker.1.host=192.168.13.50 >> worker.1.port=8009 worker.1.socket_keepalive=1 >> worker.1.ping_mode=A worker.1.ping_timeout=10000 >> worker.1.connection_ping_interval=9000 >> worker.1.connection_pool_size=1 >> >> worker.2.type=ajp13 worker.2.host=192.168.13.51 >> worker.2.port=8009 worker.2.socket_keepalive=1 >> worker.2.ping_mode=A worker.2.ping_timeout=10000 >> worker.2.connection_ping_interval=9000 >> worker.2.connection_pool_size=1 >> >> i play with the values but i never see something periodical at >> the network side. >> >> my system: >> >> redhat 6.4 / 64bit, apache 2.2.15 and mod_jk 1.2.37 --> tomcat >> latest >> >> any help / comment is wellcome >> >> thanks dietmar > > Well in this case I can think of only one reason of this not to > work: the firewall is dropping the ICMP packets. What kind of > firewall are we talking about here? Is it hardware one or the > iptables on tomcat server. Anyway, easy to test, switch off the > firewall and then check if you can see the pings. Wrong, mod_jk does not use ICMP to "ping" the backend server. It uses (not surprisingly) TCP/IP packets using the AJP protocol. - -chris -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.17 (Darwin) Comment: GPGTools - http://gpgtools.org Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iEYEAREIAAYFAlE4IxgACgkQ9CaO5/Lv0PA0XwCgmx2kFWnfERmGvUWNhrNtPQt1 yuUAn21J7iyaB8jyOEVv8+KC/tvJNfyB =s4Eq -----END PGP SIGNATURE----- --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
