Re: Apache2 / Tomcat5 / mod_jk - Problem with load balancer
In addition to Felix Schumachers correct comments: Nuno Branco wrote: very successfull. The HOWTOs I found in the net must be outdated since I'm not really acomplishing anything usefull, also because apache is complaining about some options (as I will post below) that the HOWTO told me to put in the worker.properties file indicating that these options are deprectated. Have a look at http://tomcat.apache.org/connectors-doc/ So here is my setup: Apache 2.2.6 Tomcat 5.5.26 mod_jk 1.2.25 (was the name of the .tgz I downloaded) fine. My workers.properties looks like this: workers.tomcat_home=/usr/local/tomcat/ workers.java_home=/usr/local/sdk/jdk ps=/ Remove the above. They are useless. worker.list=worker1, worker2 As already reported, replace value with "loadbalancer" worker.worker1.port=20009 worker.worker1.host=rh01 worker.worker1.type=ajp13 worker.worker1.lbfactor=1 worker.worker2.port=8009 worker.worker2.host=rh02 worker.worker2.type=ajp13 worker.worker2.lbfactor=1 worker.loadbalancer.type=lb worker.loadbalancer.balance_workers=worker1, worker2 OK until here worker.inprocess.type=jni worker.inprocess.class_path=$(workers.tomcat_home )$(ps)lib$(ps)tomcat.jar worker.inprocess.cmd_line=start worker.inprocess.jvm_lib=$(workers.java_home )$(ps)jre$(ps)lib$(ps)i386$(ps)classic$(ps)libjvm.so worker.inprocess.stdout=$(workers.tomcat_home )$(ps)logs$(ps)inprocess.stdout worker.inprocess.stderr=$(workers.tomcat_home )$(ps)logs$(ps)inprocess.stderr Remove above, again useless. I then start the tomcat servers and the apache server, this comes from the mod_jk.log: [Thu Oct 04 09:17:39 2007] [27191:3086042816] [warn] jk_map_validate_property::jk_map.c (412): The attribute ' worker.inprocess.class_path' is deprecated - please check the documentation for the correct replacement. [Thu Oct 04 09:17:39 2007] [27191:3086042816] [warn] jk_map_validate_property::jk_map.c (412): The attribute ' worker.inprocess.cmd_line' is deprecated - please check the documentation for the correct replacement. [Thu Oct 04 09:17:39 2007] [27191:3086042816] [warn] jk_map_validate_property::jk_map.c (412): The attribute ' worker.inprocess.jvm_lib' is deprecated - please check the documentation for the correct replacement. [Thu Oct 04 09:17:39 2007] [27191:3086042816] [warn] jk_map_validate_property::jk_map.c (412): The attribute ' worker.inprocess.stdout' is deprecated - please check the documentation for the correct replacement. [Thu Oct 04 09:17:39 2007] [27191:3086042816] [warn] jk_map_validate_property::jk_map.c (412): The attribute ' worker.inprocess.stderr' is deprecated - please check the documentation for the correct replacement. [Thu Oct 04 09:17:39 2007] [27191:3086042816] [info] init_jk::mod_jk.c (2775): mod_jk/1.2.25 initialized The server works fine and apache is giving me static content and the tomcat standing at rh01 host is giving me dynamic content. For testing purposes I do a shutdown to the tomcat server at rh01 and the mod_jk.log reports: [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] jk_open_socket::jk_connect.c (473): connect to 127.0.0.1:20009 failed (errno=111) [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] ajp_connect_to_endpoint::jk_ajp_common.c (891): Failed opening socket to ( 127.0.0.1:20009) (errno=111) [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] ajp_send_request::jk_ajp_common.c (1311): (worker1) error connecting to the backend server (errno=111) [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] ajp_service::jk_ajp_common.c (2085): (worker1) sending request to tomcat failed, recoverable operation attempt=1 [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] jk_open_socket::jk_connect.c (473): connect to 127.0.0.1:20009 failed (errno=111) [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] ajp_connect_to_endpoint::jk_ajp_common.c (891): Failed opening socket to ( 127.0.0.1:20009) (errno=111) [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] ajp_send_request::jk_ajp_common.c (1311): (worker1) error connecting to the backend server (errno=111) [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] ajp_service::jk_ajp_common.c (2085): (worker1) sending request to tomcat failed, recoverable operation attempt=2 [Thu Oct 04 10:06:36 2007] [27308:3086042816] [error] ajp_service::jk_ajp_common.c (2097): (worker1) Connecting to tomcat failed. Tomcat is probably not started or is listening on the wrong port [Thu Oct 04 10:06:36 2007] worker1 rh01 0.002234 [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] jk_handler::mod_jk.c (2277): Service error=0 for worker=worker1 It seems not to even try to go to rh02, just gives up when it is unable to reach rh01. On the browser I get a typical 503 error. So if anyone has this setup running I would love to ear possible solutions to work around this. I didn't see you JkMount entries? regards, Rainer --
Re: Apache2 / Tomcat5 / mod_jk - Problem with load balancer
Thank you. It was in fact that simple :) Time to go look at how to enable the session sticky properties. Thanks again. On 10/4/07, Felix Schumacher <[EMAIL PROTECTED]> wrote: > > Hi Nuno, > > I would think you have configured mod_jk to use worker1 as the only worker > in apache. You should use the loadbalancer worker in mod_jk.conf like > > JkMount /myapp/* loadbalancer > > and change your worker.properties to inlude the loadbalancer worker in the > worker.list property like > > worker.list=loadbalancer,worker1,worker2 > > And I believe that you can remove worker1 and worker2 from that list if > your are not accessing them directly from any JkMount directive. > > HTH > Felix > Am Do, 4.10.2007, 12:03, schrieb Nuno Branco: > > Hello list, > > > > This is my first post so treat me gently :) > > > > I'm trying to configure Apache + Tomcat with load balancing capabilities > > and > > I'm planning to use mod_jk to accomplish this, unfortunately I have not > > been > > very successfull. The HOWTOs I found in the net must be outdated since > I'm > > not really acomplishing anything usefull, also because apache is > > complaining > > about some options (as I will post below) that the HOWTO told me to put > in > > the worker.properties file indicating that these options are > deprectated. > > > > So here is my setup: > > Apache 2.2.6 > > Tomcat 5.5.26 > > mod_jk 1.2.25 (was the name of the .tgz I downloaded) > > > > My workers.properties looks like this: > > > > workers.tomcat_home=/usr/local/tomcat/ > > workers.java_home=/usr/local/sdk/jdk > > > > ps=/ > > > > worker.list=worker1, worker2 > > > > worker.worker1.port=20009 > > worker.worker1.host=rh01 > > worker.worker1.type=ajp13 > > worker.worker1.lbfactor=1 > > > > worker.worker2.port=8009 > > worker.worker2.host=rh02 > > worker.worker2.type=ajp13 > > worker.worker2.lbfactor=1 > > > > worker.loadbalancer.type=lb > > worker.loadbalancer.balance_workers=worker1, worker2 > > > > worker.inprocess.type=jni > > worker.inprocess.class_path=$(workers.tomcat_home > > )$(ps)lib$(ps)tomcat.jar > > worker.inprocess.cmd_line=start > > worker.inprocess.jvm_lib=$(workers.java_home > > )$(ps)jre$(ps)lib$(ps)i386$(ps)classic$(ps)libjvm.so > > worker.inprocess.stdout=$(workers.tomcat_home > > )$(ps)logs$(ps)inprocess.stdout > > worker.inprocess.stderr=$(workers.tomcat_home > > )$(ps)logs$(ps)inprocess.stderr > > > > I then start the tomcat servers and the apache server, this comes from > the > > mod_jk.log: > > [Thu Oct 04 09:17:39 2007] [27191:3086042816] [warn] > > jk_map_validate_property::jk_map.c (412): The attribute ' > > worker.inprocess.class_path' is deprecated - please check the > > documentation > > for the correct replacement. > > [Thu Oct 04 09:17:39 2007] [27191:3086042816] [warn] > > jk_map_validate_property::jk_map.c (412): The attribute ' > > worker.inprocess.cmd_line' is deprecated - please check the > documentation > > for the correct replacement. > > [Thu Oct 04 09:17:39 2007] [27191:3086042816] [warn] > > jk_map_validate_property::jk_map.c (412): The attribute ' > > worker.inprocess.jvm_lib' is deprecated - please check the documentation > > for > > the correct replacement. > > [Thu Oct 04 09:17:39 2007] [27191:3086042816] [warn] > > jk_map_validate_property::jk_map.c (412): The attribute ' > > worker.inprocess.stdout' is deprecated - please check the documentation > > for > > the correct replacement. > > [Thu Oct 04 09:17:39 2007] [27191:3086042816] [warn] > > jk_map_validate_property::jk_map.c (412): The attribute ' > > worker.inprocess.stderr' is deprecated - please check the documentation > > for > > the correct replacement. > > [Thu Oct 04 09:17:39 2007] [27191:3086042816] [info] init_jk::mod_jk.c > > (2775): mod_jk/1.2.25 initialized > > > > The server works fine and apache is giving me static content and the > > tomcat > > standing at rh01 host is giving me dynamic content. For testing purposes > I > > do a shutdown to the tomcat server at rh01 and the mod_jk.log reports: > > [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] > > jk_open_socket::jk_connect.c (473): connect to 127.0.0.1:20009 failed > > (errno=111) > > [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] > > ajp_connect_to_endpoint::jk_ajp_common.c (891): Failed opening socket to > ( > > 127.0.0.1:20009) (errno=111) > > [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] > > ajp_send_request::jk_ajp_common.c (1311): (worker1) error connecting to > > the > > backend server (errno=111) > > [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] > > ajp_service::jk_ajp_common.c (2085): (worker1) sending request to tomcat > > failed, recoverable operation attempt=1 > > [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] > > jk_open_socket::jk_connect.c (473): connect to 127.0.0.1:20009 failed > > (errno=111) > > [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] > > ajp_connect_to_endpoint::jk_ajp_common.
Re: Apache2 / Tomcat5 / mod_jk - Problem with load balancer
Hi Nuno, I would think you have configured mod_jk to use worker1 as the only worker in apache. You should use the loadbalancer worker in mod_jk.conf like JkMount /myapp/* loadbalancer and change your worker.properties to inlude the loadbalancer worker in the worker.list property like worker.list=loadbalancer,worker1,worker2 And I believe that you can remove worker1 and worker2 from that list if your are not accessing them directly from any JkMount directive. HTH Felix Am Do, 4.10.2007, 12:03, schrieb Nuno Branco: > Hello list, > > This is my first post so treat me gently :) > > I'm trying to configure Apache + Tomcat with load balancing capabilities > and > I'm planning to use mod_jk to accomplish this, unfortunately I have not > been > very successfull. The HOWTOs I found in the net must be outdated since I'm > not really acomplishing anything usefull, also because apache is > complaining > about some options (as I will post below) that the HOWTO told me to put in > the worker.properties file indicating that these options are deprectated. > > So here is my setup: > Apache 2.2.6 > Tomcat 5.5.26 > mod_jk 1.2.25 (was the name of the .tgz I downloaded) > > My workers.properties looks like this: > > workers.tomcat_home=/usr/local/tomcat/ > workers.java_home=/usr/local/sdk/jdk > > ps=/ > > worker.list=worker1, worker2 > > worker.worker1.port=20009 > worker.worker1.host=rh01 > worker.worker1.type=ajp13 > worker.worker1.lbfactor=1 > > worker.worker2.port=8009 > worker.worker2.host=rh02 > worker.worker2.type=ajp13 > worker.worker2.lbfactor=1 > > worker.loadbalancer.type=lb > worker.loadbalancer.balance_workers=worker1, worker2 > > worker.inprocess.type=jni > worker.inprocess.class_path=$(workers.tomcat_home > )$(ps)lib$(ps)tomcat.jar > worker.inprocess.cmd_line=start > worker.inprocess.jvm_lib=$(workers.java_home > )$(ps)jre$(ps)lib$(ps)i386$(ps)classic$(ps)libjvm.so > worker.inprocess.stdout=$(workers.tomcat_home > )$(ps)logs$(ps)inprocess.stdout > worker.inprocess.stderr=$(workers.tomcat_home > )$(ps)logs$(ps)inprocess.stderr > > I then start the tomcat servers and the apache server, this comes from the > mod_jk.log: > [Thu Oct 04 09:17:39 2007] [27191:3086042816] [warn] > jk_map_validate_property::jk_map.c (412): The attribute ' > worker.inprocess.class_path' is deprecated - please check the > documentation > for the correct replacement. > [Thu Oct 04 09:17:39 2007] [27191:3086042816] [warn] > jk_map_validate_property::jk_map.c (412): The attribute ' > worker.inprocess.cmd_line' is deprecated - please check the documentation > for the correct replacement. > [Thu Oct 04 09:17:39 2007] [27191:3086042816] [warn] > jk_map_validate_property::jk_map.c (412): The attribute ' > worker.inprocess.jvm_lib' is deprecated - please check the documentation > for > the correct replacement. > [Thu Oct 04 09:17:39 2007] [27191:3086042816] [warn] > jk_map_validate_property::jk_map.c (412): The attribute ' > worker.inprocess.stdout' is deprecated - please check the documentation > for > the correct replacement. > [Thu Oct 04 09:17:39 2007] [27191:3086042816] [warn] > jk_map_validate_property::jk_map.c (412): The attribute ' > worker.inprocess.stderr' is deprecated - please check the documentation > for > the correct replacement. > [Thu Oct 04 09:17:39 2007] [27191:3086042816] [info] init_jk::mod_jk.c > (2775): mod_jk/1.2.25 initialized > > The server works fine and apache is giving me static content and the > tomcat > standing at rh01 host is giving me dynamic content. For testing purposes I > do a shutdown to the tomcat server at rh01 and the mod_jk.log reports: > [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] > jk_open_socket::jk_connect.c (473): connect to 127.0.0.1:20009 failed > (errno=111) > [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] > ajp_connect_to_endpoint::jk_ajp_common.c (891): Failed opening socket to ( > 127.0.0.1:20009) (errno=111) > [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] > ajp_send_request::jk_ajp_common.c (1311): (worker1) error connecting to > the > backend server (errno=111) > [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] > ajp_service::jk_ajp_common.c (2085): (worker1) sending request to tomcat > failed, recoverable operation attempt=1 > [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] > jk_open_socket::jk_connect.c (473): connect to 127.0.0.1:20009 failed > (errno=111) > [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] > ajp_connect_to_endpoint::jk_ajp_common.c (891): Failed opening socket to ( > 127.0.0.1:20009) (errno=111) > [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] > ajp_send_request::jk_ajp_common.c (1311): (worker1) error connecting to > the > backend server (errno=111) > [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] > ajp_service::jk_ajp_common.c (2085): (worker1) sending request to tomcat > failed, recoverable operation attempt=2 > [Thu Oct 04 10:06:36 20
Apache2 / Tomcat5 / mod_jk - Problem with load balancer
Hello list, This is my first post so treat me gently :) I'm trying to configure Apache + Tomcat with load balancing capabilities and I'm planning to use mod_jk to accomplish this, unfortunately I have not been very successfull. The HOWTOs I found in the net must be outdated since I'm not really acomplishing anything usefull, also because apache is complaining about some options (as I will post below) that the HOWTO told me to put in the worker.properties file indicating that these options are deprectated. So here is my setup: Apache 2.2.6 Tomcat 5.5.26 mod_jk 1.2.25 (was the name of the .tgz I downloaded) My workers.properties looks like this: workers.tomcat_home=/usr/local/tomcat/ workers.java_home=/usr/local/sdk/jdk ps=/ worker.list=worker1, worker2 worker.worker1.port=20009 worker.worker1.host=rh01 worker.worker1.type=ajp13 worker.worker1.lbfactor=1 worker.worker2.port=8009 worker.worker2.host=rh02 worker.worker2.type=ajp13 worker.worker2.lbfactor=1 worker.loadbalancer.type=lb worker.loadbalancer.balance_workers=worker1, worker2 worker.inprocess.type=jni worker.inprocess.class_path=$(workers.tomcat_home )$(ps)lib$(ps)tomcat.jar worker.inprocess.cmd_line=start worker.inprocess.jvm_lib=$(workers.java_home )$(ps)jre$(ps)lib$(ps)i386$(ps)classic$(ps)libjvm.so worker.inprocess.stdout=$(workers.tomcat_home )$(ps)logs$(ps)inprocess.stdout worker.inprocess.stderr=$(workers.tomcat_home )$(ps)logs$(ps)inprocess.stderr I then start the tomcat servers and the apache server, this comes from the mod_jk.log: [Thu Oct 04 09:17:39 2007] [27191:3086042816] [warn] jk_map_validate_property::jk_map.c (412): The attribute ' worker.inprocess.class_path' is deprecated - please check the documentation for the correct replacement. [Thu Oct 04 09:17:39 2007] [27191:3086042816] [warn] jk_map_validate_property::jk_map.c (412): The attribute ' worker.inprocess.cmd_line' is deprecated - please check the documentation for the correct replacement. [Thu Oct 04 09:17:39 2007] [27191:3086042816] [warn] jk_map_validate_property::jk_map.c (412): The attribute ' worker.inprocess.jvm_lib' is deprecated - please check the documentation for the correct replacement. [Thu Oct 04 09:17:39 2007] [27191:3086042816] [warn] jk_map_validate_property::jk_map.c (412): The attribute ' worker.inprocess.stdout' is deprecated - please check the documentation for the correct replacement. [Thu Oct 04 09:17:39 2007] [27191:3086042816] [warn] jk_map_validate_property::jk_map.c (412): The attribute ' worker.inprocess.stderr' is deprecated - please check the documentation for the correct replacement. [Thu Oct 04 09:17:39 2007] [27191:3086042816] [info] init_jk::mod_jk.c (2775): mod_jk/1.2.25 initialized The server works fine and apache is giving me static content and the tomcat standing at rh01 host is giving me dynamic content. For testing purposes I do a shutdown to the tomcat server at rh01 and the mod_jk.log reports: [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] jk_open_socket::jk_connect.c (473): connect to 127.0.0.1:20009 failed (errno=111) [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] ajp_connect_to_endpoint::jk_ajp_common.c (891): Failed opening socket to ( 127.0.0.1:20009) (errno=111) [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] ajp_send_request::jk_ajp_common.c (1311): (worker1) error connecting to the backend server (errno=111) [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] ajp_service::jk_ajp_common.c (2085): (worker1) sending request to tomcat failed, recoverable operation attempt=1 [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] jk_open_socket::jk_connect.c (473): connect to 127.0.0.1:20009 failed (errno=111) [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] ajp_connect_to_endpoint::jk_ajp_common.c (891): Failed opening socket to ( 127.0.0.1:20009) (errno=111) [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] ajp_send_request::jk_ajp_common.c (1311): (worker1) error connecting to the backend server (errno=111) [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] ajp_service::jk_ajp_common.c (2085): (worker1) sending request to tomcat failed, recoverable operation attempt=2 [Thu Oct 04 10:06:36 2007] [27308:3086042816] [error] ajp_service::jk_ajp_common.c (2097): (worker1) Connecting to tomcat failed. Tomcat is probably not started or is listening on the wrong port [Thu Oct 04 10:06:36 2007] worker1 rh01 0.002234 [Thu Oct 04 10:06:36 2007] [27308:3086042816] [info] jk_handler::mod_jk.c (2277): Service error=0 for worker=worker1 It seems not to even try to go to rh02, just gives up when it is unable to reach rh01. On the browser I get a typical 503 error. So if anyone has this setup running I would love to ear possible solutions to work around this. Thank you, Nuno
