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好吧,自从过去三天以来,我一直在徒劳地敲我的脑袋,所以是时候和专家一起讨论了!
背景
我试图让一个看似简单的设置工作——我有一个 CentOS 盒子,我想在上面设置两个 JBoss 节点(即单个非多宿主服务器上的两个节点),并尝试失败-结束场景。我读到 Apache 的 mod_jk 模块可以帮助我实现它。
我努力尝试关注JBoss 5.1 Clustering Guide , 但不知何故,我似乎在某个地方摸索了。
问题
我永远无法连接到 node2
通过 Apache,并始终收到 503 Service Unavailable 消息。
配置
以下是详细信息。
CentOS 6Apache 2.2.15mod_jk 1.2.35JBoss 5.1.0 GA
<strong>httpd.conf</strong>
最后有以下行:
#Include mod_jk's specific configuration fileInclude conf/mod_jk.conf
<strong>mod_jk.conf</strong>
包含以下行(除其他外):
JkMountFile conf/uriworkermap.properties
<strong>uriworkermap.properites</strong>
看起来像这样:
# Simple worker configuration file# Mount the Servlet context to the ajp13 worker/jmx-console=loadbalancer/jmx-console/*=loadbalancer/web-console=loadbalancer/web-console/*=loadbalancer/jspHello=loadbalancer/jspHello/*=loadbalancer
<strong>workers.properties</strong>
:
# Define list of workers that will be used# for mapping requestsworker.list=loadbalancer,status# Define Node1# modify the host as your host IP or DNS name.worker.node1.port=8009worker.node1.host=127.0.0.1worker.node1.type=ajp13worker.node1.lbfactor=1# Define Node2# modify the host as your host IP or DNS name.worker.node2.port=8109worker.node2.host=127.0.0.1worker.node2.type=ajp13worker.node2.lbfactor=1# Load-balancing behaviourworker.loadbalancer.type=lbworker.loadbalancer.balance_workers=node1,node2worker.loadbalancer.sticky_session=1# Status worker for managing load balancerworker.status.type=status
我使用以下命令调用 node1
和 node2
:
./run.sh -c node1 -g DocsPartition -Djboss.messaging.ServerPeerID=1 -Djboss.service.binding.set=ports-default -b 0.0.0.0./run.sh -c node2 -g DocsPartition -Djboss.messaging.ServerPeerID=2 -Djboss.service.binding.set=ports-01 -b 0.0.0.0
另外,我修改了server.xml
每个 node
中的文件目录并添加相应的jvmRoute
Engine
中的参数标签。
观察
以下是 mod_jk
日志:
最初当我调出 node1、node2 和 httpd 时
...[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] do_shm_open::jk_shm.c (561): Truncated shared memory to 1856[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] do_shm_open::jk_shm.c (606): Initialized shared memory /var/run/httpd/mod_jk.shm.14695 size=1856 free=1728 addr=0x7fe7cb7c3000[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] do_shm_open_lock::jk_shm.c (476): Opened shared memory lock /var/run/httpd/mod_jk.shm.14695.lock[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] jk_map_dump::jk_map.c (589): Dump of map: 'ServerRoot' -> '/etc/httpd'[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] jk_map_dump::jk_map.c (589): Dump of map: 'worker.list' -> 'loadbalancer,status'[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] jk_map_dump::jk_map.c (589): Dump of map: 'worker.node1.port' -> '8009'[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] jk_map_dump::jk_map.c (589): Dump of map: 'worker.node1.host' -> '127.0.0.1'[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] jk_map_dump::jk_map.c (589): Dump of map: 'worker.node1.type' -> 'ajp13'[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] jk_map_dump::jk_map.c (589): Dump of map: 'worker.node1.lbfactor' -> '1'[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] jk_map_dump::jk_map.c (589): Dump of map: 'worker.node2.port' -> '8109'[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] jk_map_dump::jk_map.c (589): Dump of map: 'worker.node2.host' -> '127.0.0.1'[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] jk_map_dump::jk_map.c (589): Dump of map: 'worker.node2.type' -> 'ajp13'[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] jk_map_dump::jk_map.c (589): Dump of map: 'worker.node2.lbfactor' -> '1'[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] jk_map_dump::jk_map.c (589): Dump of map: 'worker.loadbalancer.type' -> 'lb'[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] jk_map_dump::jk_map.c (589): Dump of map: 'worker.loadbalancer.balance_workers' -> 'node1,node2'[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] jk_map_dump::jk_map.c (589): Dump of map: 'worker.loadbalancer.sticky_session' -> '0'[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] jk_map_dump::jk_map.c (589): Dump of map: 'worker.status.type' -> 'status'[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] build_worker_map::jk_worker.c (241): creating worker loadbalancer[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] wc_create_worker::jk_worker.c (145): about to create instance loadbalancer of lb[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] wc_create_worker::jk_worker.c (158): about to validate and init loadbalancer[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] wc_create_worker::jk_worker.c (145): about to create instance node1 of ajp13[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] wc_create_worker::jk_worker.c (158): about to validate and init node1[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_validate::jk_ajp_common.c (2679): worker node1 contact is '127.0.0.1:8009'[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_init::jk_ajp_common.c (2877): setting endpoint options:[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_init::jk_ajp_common.c (2880): keepalive: 0[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_init::jk_ajp_common.c (2884): socket timeout: 0[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_init::jk_ajp_common.c (2888): socket connect timeout: 0[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_init::jk_ajp_common.c (2892): buffer size: 0[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_init::jk_ajp_common.c (2896): pool timeout: 0[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_init::jk_ajp_common.c (2900): ping timeout: 10000[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_init::jk_ajp_common.c (2904): connect timeout: 0[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_init::jk_ajp_common.c (2908): reply timeout: 0[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_init::jk_ajp_common.c (2912): prepost timeout: 0[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_init::jk_ajp_common.c (2916): recovery options: 0[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_init::jk_ajp_common.c (2920): retries: 2[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_init::jk_ajp_common.c (2924): max packet size: 8192[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_init::jk_ajp_common.c (2928): retry interval: 100[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_create_endpoint_cache::jk_ajp_common.c (2737): setting connection pool size to 1 with min 1 and acquire timeout 200[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] wc_create_worker::jk_worker.c (145): about to create instance node2 of ajp13[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] wc_create_worker::jk_worker.c (158): about to validate and init node2[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_validate::jk_ajp_common.c (2679): worker node2 contact is '127.0.0.1:8109'[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_init::jk_ajp_common.c (2877): setting endpoint options:[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_init::jk_ajp_common.c (2880): keepalive: 0[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_init::jk_ajp_common.c (2884): socket timeout: 0[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_init::jk_ajp_common.c (2888): socket connect timeout: 0[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_init::jk_ajp_common.c (2892): buffer size: 0[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_init::jk_ajp_common.c (2896): pool timeout: 0[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_init::jk_ajp_common.c (2900): ping timeout: 10000[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_init::jk_ajp_common.c (2904): connect timeout: 0[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_init::jk_ajp_common.c (2908): reply timeout: 0[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_init::jk_ajp_common.c (2912): prepost timeout: 0[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_init::jk_ajp_common.c (2916): recovery options: 0[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_init::jk_ajp_common.c (2920): retries: 2[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_init::jk_ajp_common.c (2924): max packet size: 8192[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_init::jk_ajp_common.c (2928): retry interval: 100[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] ajp_create_endpoint_cache::jk_ajp_common.c (2737): setting connection pool size to 1 with min 1 and acquire timeout 200[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] validate::jk_lb_worker.c (1702): Balanced worker 0 has name node1 and route node1 in domain [Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] validate::jk_lb_worker.c (1702): Balanced worker 1 has name node2 and route node2 in domain [Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] update_mult::jk_lb_worker.c (262): worker node1 gets multiplicity 1[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] update_mult::jk_lb_worker.c (262): worker node2 gets multiplicity 1[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] jk_lb_push::jk_lb_worker.c (353): syncing shm for lb 'loadbalancer' from mem (0->1)[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] build_worker_map::jk_worker.c (241): creating worker status[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] wc_create_worker::jk_worker.c (145): about to create instance status of status[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] wc_create_worker::jk_worker.c (158): about to validate and init status[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] init::jk_status.c (5078): Status worker 'status' is read/write and has css '(null)', prefix 'worker', name space 'jk:', xml name space 'xmlns:jk="http://tomcat.apache.org"', document type '(null)'[Thu Sep 06 02:21:54 2012][14695:140633527957472] [debug] init::jk_status.c (5129): Status worker 'status' has good rating for '0000000f' and bad rating for '00ff1010'[Thu Sep 06 02:21:54 2012][14695:140633527957472] [info] init_jk::mod_jk.c (3365): mod_jk/1.2.35 initialized...
当我尝试访问该应用程序时
...[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] find_match::jk_uri_worker_map.c (949): Found a wildchar match '/jspHello/*=loadbalancer'[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] jk_handler::mod_jk.c (2621): Into handler jakarta-servlet worker=loadbalancer r->proxyreq=0[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] wc_get_worker_for_name::jk_worker.c (115): found a worker loadbalancer[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] wc_maintain::jk_worker.c (338): Maintaining worker loadbalancer[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] wc_get_name_for_type::jk_worker.c (292): Found worker type 'lb'[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] init_ws_service::mod_jk.c (1097): Service protocol=HTTP/1.1 method=GET ssl=false host=(null) addr=::1 name=localhost port=80 auth=(null) user=(null) laddr=::1 raddr=::1 uri=/jspHello/[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] service::jk_lb_worker.c (1192): service sticky_session=0 id='empty'[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] get_most_suitable_worker::jk_lb_worker.c (1061): found best worker node2 (node2) using method 'Request'[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] service::jk_lb_worker.c (1237): service worker=node2 route=node2[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] ajp_get_endpoint::jk_ajp_common.c (3146): acquired connection pool slot=0 after 0 retries[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] ajp_marshal_into_msgb::jk_ajp_common.c (626): ajp marshaling done[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] ajp_service::jk_ajp_common.c (2441): processing node2 with 2 retries[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] ajp_send_request::jk_ajp_common.c (1615): (node2) all endpoints are disconnected.[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] jk_open_socket::jk_connect.c (485): socket TCP_NODELAY set to On[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] jk_open_socket::jk_connect.c (609): trying to connect socket 14 to 127.0.0.1:8109[Thu Sep 06 02:24:42 2012][14700:140633527957472] [info] jk_open_socket::jk_connect.c (627): connect to 127.0.0.1:8109 failed (errno=13)[Thu Sep 06 02:24:42 2012][14700:140633527957472] [info] ajp_connect_to_endpoint::jk_ajp_common.c (992): Failed opening socket to (127.0.0.1:8109) (errno=13)[Thu Sep 06 02:24:42 2012][14700:140633527957472] [error] ajp_send_request::jk_ajp_common.c (1621): (node2) connecting to backend failed. Tomcat is probably not started or is listening on the wrong port (errno=13)[Thu Sep 06 02:24:42 2012][14700:140633527957472] [info] ajp_service::jk_ajp_common.c (2614): (node2) sending request to tomcat failed (recoverable), because of error during request sending (attempt=1)[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] ajp_service::jk_ajp_common.c (2463): retry 1, sleeping for 100 ms before retrying[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] ajp_send_request::jk_ajp_common.c (1615): (node2) all endpoints are disconnected.[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] jk_open_socket::jk_connect.c (485): socket TCP_NODELAY set to On[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] jk_open_socket::jk_connect.c (609): trying to connect socket 14 to 127.0.0.1:8109[Thu Sep 06 02:24:42 2012][14700:140633527957472] [info] jk_open_socket::jk_connect.c (627): connect to 127.0.0.1:8109 failed (errno=13)[Thu Sep 06 02:24:42 2012][14700:140633527957472] [info] ajp_connect_to_endpoint::jk_ajp_common.c (992): Failed opening socket to (127.0.0.1:8109) (errno=13)[Thu Sep 06 02:24:42 2012][14700:140633527957472] [error] ajp_send_request::jk_ajp_common.c (1621): (node2) connecting to backend failed. Tomcat is probably not started or is listening on the wrong port (errno=13)[Thu Sep 06 02:24:42 2012][14700:140633527957472] [info] ajp_service::jk_ajp_common.c (2614): (node2) sending request to tomcat failed (recoverable), because of error during request sending (attempt=2)[Thu Sep 06 02:24:42 2012][14700:140633527957472] [error] ajp_service::jk_ajp_common.c (2634): (node2) connecting to tomcat failed.[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] ajp_reset_endpoint::jk_ajp_common.c (786): (node2) resetting endpoint with socket -1 (socket shutdown)[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] ajp_done::jk_ajp_common.c (3077): recycling connection pool for worker node2 and socket -1[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] service::jk_lb_worker.c (1455): worker node2 escalating local error to global error[Thu Sep 06 02:24:42 2012][14700:140633527957472] [info] service::jk_lb_worker.c (1469): service failed, worker node2 is in error state[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] service::jk_lb_worker.c (1480): recoverable error... will try to recover on other worker[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] get_most_suitable_worker::jk_lb_worker.c (1061): found best worker node1 (node1) using method 'Request'[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] service::jk_lb_worker.c (1237): service worker=node1 route=node2[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] ajp_get_endpoint::jk_ajp_common.c (3146): acquired connection pool slot=0 after 0 retries[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] ajp_marshal_into_msgb::jk_ajp_common.c (626): ajp marshaling done[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] ajp_service::jk_ajp_common.c (2441): processing node1 with 2 retries[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] ajp_send_request::jk_ajp_common.c (1615): (node1) all endpoints are disconnected.[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] jk_open_socket::jk_connect.c (485): socket TCP_NODELAY set to On[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] jk_open_socket::jk_connect.c (609): trying to connect socket 14 to 127.0.0.1:8009[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] jk_open_socket::jk_connect.c (635): socket 14 [127.0.0.1:38909 -> 127.0.0.1:8009] connected[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] ajp_connection_tcp_send_message::jk_ajp_common.c (1175): sending to ajp13 pos=4 len=570 max=8192[Thu Sep 06 02:24:42 2012][14700:140633527957472] [debug] ajp_connection_tcp_send_message::jk_ajp_common.c (1175): 0000 12 34 02 36 02 02 00 08 48 54 54 50 2F 31 2E 31 - .4.6....HTTP/1.1...
如您所见,在通过节点 1 处理请求之前,它尝试连接到节点 2 两次。到现在都是这样node1
起来了。我一取下它,就在尝试访问时开始收到 503 错误。
我不确定它是否是 mod_jk
问题还是我遗漏了什么。
有什么建议吗?
更新:它与两个独立的(物理)节点一起工作,但我仍然无法让它在具有不同端口(8009 和 8109)的同一个盒子上工作。
最佳答案
听起来 JBoss 没有使用您认为的端口。一个好的诊断工具是 lsof(可通过 yum 安装);
lsof -i -n -P
并查看 JBoss 进程正在监听哪些端口。从那里更正您的配置。
关于Apache、mod_jk 和 JBoss 负载平衡问题,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/12289761/
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我在域模式下使用 JBoss 6.4.8 版本。我想通过 CLI 添加这 4 个系统属性: 1- /host=myserver/server-config=node/system-property=j
在 JBoss 4 中,您可以在文件中设置对象的部署顺序( .jar 、 .war 、 .sar 等...): conf/xmdesc/org.jboss.deployment.MainDeploye
概括地说,JBoss 5 的关闭有什么作用?如果我只是杀死 java 进程而不是优雅地关闭 JBoss,可能会出现什么问题? 对于我的应用程序来说,正常的 JBoss 5 关闭大约需要 6 分钟,这个
我最近在 CentOS 6.7 服务器上安装了 JBoss AS 7。 jboss as 工作正常。为了测试,我部署了一个 .war 文件并对其进行了测试,效果很好!但现在我尝试从我的台式电脑访问相同
我有 jboss 应用程序。并想自动测试部署。并希望将此任务作为项目添加到 Hudson 我的愿景基于以下阶段: 将我的应用程序放到 JBoss(复制耳朵、配置、库等) 运行 JBoss 我有一台 L
我对 JBoss 很陌生。目前我有一个需求,我需要在 JBoss 上部署应用程序(已经在 Tomcat 上运行)。我下载了 JBoss,但是版本 7 中的目录结构不同。 我正在运行 bin\stand
我是 JBoss AS 7 的新手。我尝试在 JBoss AS 7 上部署我的 war 文件,这似乎工作正常。我的问题是在哪里可以看到部署的内容。 我希望它像 Tomcat 一样,它应该有一个探索的
我使用多播方法在两个不同的 JBoss 服务器之间配置了集群。 当我启动两个 JBoss 服务器时,两个服务器都将连接。 一天后,我收到以下消息 server.log 中的群集开始显示错误 05:28
为了打开/关闭我们产品的跟踪-“类别”或“记录器”标签,我们应该在jboss-log4j.xml中使用什么? 默认情况下,JBoss在jboss-log4j.xml中使用“类别”。 但据我所知,不赞成
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