彻底解决警告: No configuration found for the specified action

本文介绍了解决Struts2框架中表单提交时控制台出现警告的方法。重点在于正确配置<s:form>标签的命名空间(namespace)及action属性,并区分传统HTML表单与Struts2标签的不同用法。

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最近学习struts2 中时候控制台老是出现该警告错误。

我的客户端代码如下 (代码1):

struts.xml中的配置代码如下 (代码2):

 

在网上搜索了下,搜索网络给出的答案几乎都说把<s:form  action="/admin/login method="post"  >中的login后加上.action后缀了,做了测试,问题仍然没有解决。

 

通过我观察发现有两个地方需要修改,首先<s: form>表单中需要加入命名空间参数namespace,和struts.xml中配置一致。其次,<s:form action=xxx> 中直接写action映射的名字,比如我的xml中是login,则这里直接写login即可,不需要画蛇添足加上.action后缀或者其他的前置路路径,所以修改后的客户端文件配置为 代码(3):

当然,如果你不是使用的struts2的标签,而是使用的传统的html代码,则表单的action属性必须加上完整的路径和后缀也就是说,必须改成如下代码:

 

你如上指定后,当浏览器给出如上的请求/admin/login.action ,struts2框架将首先在sturts.xml中查找 /admin 名称空间,如果找到了(比如我这里显然有这个名称空间),则执行login.action,如果没有找到,会到默认的名称空间中查找,如果默认的也没有,则提示错误,没有映射该action.

 

 

备注:

本文转载自:http://www.javaeye.com/topic/575148

 

rjh@rjh-Legion-Y7000-IRX9:~$ sudo chrt 10 bash [sudo] rjh 的密码: root@rjh-Legion-Y7000-IRX9:/home/rjh# cd catkin_ws root@rjh-Legion-Y7000-IRX9:/home/rjh/catkin_ws# source devel/setup.bash root@rjh-Legion-Y7000-IRX9:/home/rjh/catkin_ws# roslaunch elfin_robot_bringup elfin_ros_control.launch ... logging to /root/.ros/log/26502f3c-62ba-11f0-8430-fb5811965425/roslaunch-rjh-Legion-Y7000-IRX9-4179.log Checking log directory for disk usage. This may take a while. Press Ctrl-C to interrupt Done checking log file disk usage. Usage is <1GB. started roslaunch server http://rjh-Legion-Y7000-IRX9:34493/ SUMMARY ======== PARAMETERS * /elfin_arm_controller/action_monitor_rate: 10 * /elfin_arm_controller/constraints/goal_time: 0.6 * /elfin_arm_controller/constraints/stopped_velocity_tolerance: 0.1 * /elfin_arm_controller/joints: ['elfin_joint1', ... * /elfin_arm_controller/state_publish_rate: 25 * /elfin_arm_controller/stop_trajectory_duration: 0.05 * /elfin_arm_controller/type: position_controll... * /elfin_ros_control/elfin/axis_position_factors: [131072, 131072, ... * /elfin_ros_control/elfin/axis_torque_factors: [2536.224, 2536.2... * /elfin_ros_control/elfin/count_zeros: [10392149, 114135... * /elfin_ros_control/elfin/joint_names: ['elfin_joint2', ... * /elfin_ros_control/elfin/reduction_ratios: [101, 101, 101, 1... * /elfin_ros_control/elfin/slave_no: [1, 2, 3] * /elfin_ros_control/elfin_ethernet_name: enxf8e43be2c806 * /joint_state_controller/joints: ['elfin_joint1', ... * /joint_state_controller/publish_rate: 50 * /joint_state_controller/type: joint_state_contr... * /rosdistro: noetic * /rosversion: 1.17.3 NODES / elfin_arm_controller_spawner (controller_manager/controller_manager) elfin_joint_controller_spawner (controller_manager/controller_manager) elfin_ros_control (elfin_ros_control/elfin_hardware_interface) ROS_MASTER_URI=http://localhost:11311 process[elfin_ros_control-1]: started with pid [4231] process[elfin_joint_controller_spawner-2]: started with pid [4232] process[elfin_arm_controller_spawner-3]: started with pid [4233] Initializing etherCAT master SOEM found and configured 3 slaves SOEM IOMap size: 384 Finished configuration successfully recognizing joint positions, please wait a few minutes ... ... The voltage of slave 3 is: 48.301918V. [WARN] [1752721350.031541438]: recognizePose phase1 failed while pose recognition in slave 3, channel 1 The voltage of slave 1 is: 48.539201V. [WARN] [1752721350.042707511]: recognizePose phase1 failed while pose recognition in slave 1, channel 1 The voltage of slave 2 is: 48.435390V. [WARN] [1752721350.116324490]: recognizePose phase1 failed while pose recognition in slave 2, channel 1 [INFO] [1752721350.123945958]: positions are recognized automatically Loaded 'elfin_arm_controller' [INFO] [1752721350.475878958]: Joints parameter specified, publishing specified joints in desired order. Loaded 'joint_state_controller' Started ['joint_state_controller'] successfully [elfin_arm_controller_spawner-3] process has finished cleanly log file: /root/.ros/log/26502f3c-62ba-11f0-8430-fb5811965425/elfin_arm_controller_spawner-3*.log [elfin_joint_controller_spawner-2] process has finished cleanly log file: /root/.ros/log/26502f3c-62ba-11f0-8430-fb5811965425/elfin_joint_controller_spawner-2*.log Failed to read from ret:0, slave_no:4, index:0x6001, subidx:0x01 Failed to read from ret:0, slave_no:4, index:0x7001, subidx:0x01 rjh@rjh-Legion-Y7000-IRX9:~/catkin_ws$ roslaunch elfin_basic_api elfin_basic_api.launch ... logging to /home/rjh/.ros/log/26502f3c-62ba-11f0-8430-fb5811965425/roslaunch-rjh-Legion-Y7000-IRX9-5148.log Checking log directory for disk usage. This may take a while. Press Ctrl-C to interrupt Done checking log file disk usage. Usage is <1GB. started roslaunch server http://rjh-Legion-Y7000-IRX9:40751/ SUMMARY ======== PARAMETERS * /elfin_basic_api/octomap_resolution: 0.1 * /rosdistro: noetic * /rosversion: 1.17.3 NODES / elfin_basic_api (elfin_basic_api/elfin_basic_api_node) elfin_gui (elfin_basic_api/elfin_gui.py) ROS_MASTER_URI=http://localhost:11311 process[elfin_basic_api-1]: started with pid [5200] process[elfin_gui-2]: started with pid [5201] [INFO] [1752721529.688475482]: Loading robot model 'elfin5'... [INFO] [1752721529.688876405]: No root/virtual joint specified in SRDF. Assuming fixed joint [WARN] [1752721529.946238642]: IK plugin for group 'elfin_arm' relies on deprecated API. Please implement initialize(RobotModel, ...). [INFO] [1752721529.947269409]: IK Using joint elfin_link1 -3.14 3.14 [INFO] [1752721529.947281856]: IK Using joint elfin_link2 -2.35 2.35 [INFO] [1752721529.947288023]: IK Using joint elfin_link3 -2.61 2.61 [INFO] [1752721529.947292380]: IK Using joint elfin_link4 -3.14 3.14 [INFO] [1752721529.947297802]: IK Using joint elfin_link5 -2.56 2.56 [INFO] [1752721529.947301917]: IK Using joint elfin_link6 -3.14 3.14 [INFO] [1752721529.947308671]: Looking in common namespaces for param name: elfin_arm/position_only_ik [INFO] [1752721529.947716105]: Looking in common namespaces for param name: elfin_arm/solve_type [INFO] [1752721529.948068494]: Using solve type Speed [INFO] [1752721530.264556136]: Loading robot model 'elfin5'... [INFO] [1752721530.264810423]: No root/virtual joint specified in SRDF. Assuming fixed joint [WARN] [1752721530.495684411]: IK plugin for group 'elfin_arm' relies on deprecated API. Please implement initialize(RobotModel, ...). [INFO] [1752721530.497156629]: IK Using joint elfin_link1 -3.14 3.14 [INFO] [1752721530.497179966]: IK Using joint elfin_link2 -2.35 2.35 [INFO] [1752721530.497185712]: IK Using joint elfin_link3 -2.61 2.61 [INFO] [1752721530.497191200]: IK Using joint elfin_link4 -3.14 3.14 [INFO] [1752721530.497196378]: IK Using joint elfin_link5 -2.56 2.56 [INFO] [1752721530.497201236]: IK Using joint elfin_link6 -3.14 3.14 [INFO] [1752721530.497208263]: Looking in common namespaces for param name: elfin_arm/position_only_ik [INFO] [1752721530.498114765]: Looking in common namespaces for param name: elfin_arm/solve_type [INFO] [1752721530.498724410]: Using solve type Speed [INFO] [1752721531.021208287]: Ready to take commands for planning group elfin_arm. [INFO] [1752721531.294994673]: Loading robot model 'elfin5'... [INFO] [1752721531.295013267]: No root/virtual joint specified in SRDF. Assuming fixed joint [WARN] [1752721531.496140760]: IK plugin for group 'elfin_arm' relies on deprecated API. Please implement initialize(RobotModel, ...). [INFO] [1752721531.498108863]: IK Using joint elfin_link1 -3.14 3.14 [INFO] [1752721531.498123597]: IK Using joint elfin_link2 -2.35 2.35 [INFO] [1752721531.498129693]: IK Using joint elfin_link3 -2.61 2.61 [INFO] [1752721531.498134908]: IK Using joint elfin_link4 -3.14 3.14 [INFO] [1752721531.498140359]: IK Using joint elfin_link5 -2.56 2.56 [INFO] [1752721531.498144824]: IK Using joint elfin_link6 -3.14 3.14 [INFO] [1752721531.498149704]: Looking in common namespaces for param name: elfin_arm/position_only_ik [INFO] [1752721531.498780865]: Looking in common namespaces for param name: elfin_arm/solve_type [INFO] [1752721531.499309872]: Using solve type Speed [INFO] [1752721531.519259723]: Ready to take commands for planning group elfin_arm. [INFO] [1752721532.042548619]: Starting planning scene monitor [INFO] [1752721532.043202235]: Listening to '/planning_scene' [INFO] [1752721532.044296324]: Listening to '/attached_collision_object' for attached collision objects [INFO] [1752721532.044308055]: Starting world geometry update monitor for collision objects, attached objects, octomap updates. [INFO] [1752721532.044810705]: Listening to '/collision_object' [INFO] [1752721532.045350412]: Listening to '/planning_scene_world' for planning scene world geometry [WARN] [1752721532.045472964]: Target frame "world" specified but no TF instance (buffer) specified. No transforms will be applied to received data. [INFO] [1752721532.045575570]: No 3D sensor plugin(s) defined for octomap updates Waiting for service /elfin_basic_api/set_parameters... ^C[elfin_gui-2] killing on exit [elfin_basic_api-1] killing on exit shutting down processing monitor... ... shutting down processing monitor complete done 如何解决
最新发布
07-18
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