CN113676509A - Method and system for active detection of HTTP interface health status - Google Patents
Method and system for active detection of HTTP interface health status Download PDFInfo
- Publication number
- CN113676509A CN113676509A CN202110761900.8A CN202110761900A CN113676509A CN 113676509 A CN113676509 A CN 113676509A CN 202110761900 A CN202110761900 A CN 202110761900A CN 113676509 A CN113676509 A CN 113676509A
- Authority
- CN
- China
- Prior art keywords
- interface
- state
- http
- alarm
- active detection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 84
- 238000000034 method Methods 0.000 title abstract description 13
- 230000003862 health status Effects 0.000 title description 10
- 230000036541 health Effects 0.000 claims abstract description 31
- 230000002159 abnormal effect Effects 0.000 claims description 36
- 230000000977 initiatory effect Effects 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 abstract description 15
- 230000005856 abnormality Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0604—Management of faults, events, alarms or notifications using filtering, e.g. reduction of information by using priority, element types, position or time
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0631—Management of faults, events, alarms or notifications using root cause analysis; using analysis of correlation between notifications, alarms or events based on decision criteria, e.g. hierarchy, tree or time analysis
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0823—Errors, e.g. transmission errors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Environmental & Geological Engineering (AREA)
- Computer And Data Communications (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
Abstract
本发明公开了一种HTTP接口健康状态主动探测方法及系统，其中，方法包括：根据预设的主动探测配置表，读取得到接口探测配置参数；根据接口探测配置参数，组装得到HTTP请求参数，并设置相应的接口信息；向接口发起HTTP请求，并根据返回报文结果，分析得到接口状态码及报文节点；根据接口状态码和报文节点，判断接口的网络状态、服务状态和业务状态是否正常。通过本发明的技术方案，在对接口网络状态进行监控的基础上，实现服务状态和业务状态的监控，提高了接口监控的灵活性，节省人工调用或用其他方式跟踪接口状态的成本。
The invention discloses an active detection method and system for the health state of an HTTP interface, wherein the method comprises: reading and obtaining interface detection configuration parameters according to a preset active detection configuration table; assembling and obtaining HTTP request parameters according to the interface detection configuration parameters; And set the corresponding interface information; initiate an HTTP request to the interface, and analyze the interface status code and message node according to the returned message result; judge the network status, service status and business status of the interface according to the interface status code and message node Is it normal. Through the technical scheme of the present invention, on the basis of monitoring the interface network state, the monitoring of the service state and the business state is realized, the flexibility of the interface monitoring is improved, and the cost of manual calling or tracking the interface state in other ways is saved.
Description
Technical Field
The invention relates to the technical field of network communication, in particular to an active detection method and an active detection system for the health state of an HTTP (hyper text transport protocol) interface.
Background
At present, in a middle station system providing data services to the outside through an interface, such as a marketing middle station, a data middle station, and the like, the health state and the data quality of the interface are key factors directly influencing whether the upstream system service can be normally developed.
For monitoring the interface health state, a general method is, for example, to collect and analyze a failure rate, a timeout rate, and the like of the interface within a time period of 5 minutes, 10 minutes, and the like. However, this method has the following disadvantages:
(1) a large number of programs need to be written, data acquisition, analysis, storage, alarm and the like accessed from an interface are acquired, and even business programs need to be changed;
(2) a certain time interval exists, and an abnormal alarm cannot be sent out in time;
(3) and whether the interface return value is in accordance with the expectation or not can not be analyzed, if a certain number has a business opportunity list, the interface query is normal, and a corresponding business opportunity list is not returned.
Disclosure of Invention
Aiming at the problems, the invention provides an active detection method and system for the health state of an HTTP interface, which adopt an active detection mode to send an HTTP request to the interface, judge whether the network state, the service state and the service state of the current interface are abnormal or not according to a returned message result, realize the monitoring of the service state and the service state on the basis of monitoring the network state of the interface, and realize the adjustment of a detection period, a detection object and a detection rule through the preset adjustment of detection configuration parameters, thereby improving the flexibility of the monitoring of the interface, and saving the cost of manually calling or tracking the interface state by other modes.
In order to achieve the above object, the present invention provides an active detection method for health status of an HTTP interface, comprising: reading to obtain interface detection configuration parameters according to a preset active detection configuration table; assembling to obtain HTTP request parameters according to the interface detection configuration parameters, and setting corresponding interface information; initiating an HTTP request to an interface, and analyzing to obtain an interface state code and a message node according to a returned message result; and judging whether the network state, the service state and the service state of the interface are normal or not according to the interface state code and the message node.
In the above technical solution, preferably, the active detection method for the health state of the HTTP interface further includes: and after a judgment result of the interface is obtained by each detection, loading the judgment result into an alarm information table.
In the above technical solution, preferably, the active detection method for the health state of the HTTP interface further includes: and judging whether the alarm is needed or not according to the abnormal times of the interface in the alarm information table and a preset abnormal alarm threshold value, and sending an alarm notification to a preset administrator when the alarm is needed.
In the foregoing technical solution, preferably, the initiating an HTTP request to an interface specifically includes: and sending an HTTP request message to the interface in a get and post request mode according to the assembled HTTP request parameters and the assembled interface information and preset interval time.
In the foregoing technical solution, preferably, the determining, according to the interface status code and the packet node, whether the network status, the service status, and the service status of the interface are normal specifically includes: determining whether the network state of the interface is abnormal or not by the interface state code according to the corresponding relation between the preset state code and the interface state; and determining whether the service state and the service state of the interface are abnormal or not according to the pre-configured HTTP request parameters and the specific values in the message nodes.
The invention also provides an active detection system for the health state of the HTTP interface, which applies the active detection method for the health state of the HTTP interface provided by any one of the above technical schemes and comprises the following steps: the configuration reading module is used for reading and obtaining interface detection configuration parameters according to a preset active detection configuration table; the request setting module is used for assembling to obtain HTTP request parameters according to the interface detection configuration parameters and setting corresponding interface information; the request analysis module is used for initiating an HTTP request to the interface and analyzing and obtaining an interface state code and a message node according to a returned message result; and the state analysis module is used for judging whether the network state, the service state and the service state of the interface are normal or not according to the interface state code and the message node.
In the above technical solution, preferably, the HTTP interface health state active probing system further includes: and the result counting module is used for loading the judgment result into an alarm information table after the judgment result of the interface is obtained by each detection.
In the above technical solution, preferably, the HTTP interface health state active probing system further includes: and the alarm notification module is used for judging whether alarm is needed or not according to the abnormal times of the interface in the alarm information table and a preset abnormal alarm threshold value, and sending an alarm notification to a preset administrator when alarm is needed.
In the foregoing technical solution, preferably, the request analysis module is specifically configured to: and sending an HTTP request message to the interface in a get and post request mode according to the assembled HTTP request parameters and the assembled interface information and preset interval time.
In the foregoing technical solution, preferably, the state analysis module is specifically configured to: determining whether the network state of the interface is abnormal or not by the interface state code according to the corresponding relation between the preset state code and the interface state; and determining whether the service state and the service state of the interface are abnormal or not according to the pre-configured HTTP request parameters and the specific values in the message nodes.
Compared with the prior art, the invention has the beneficial effects that: the HTTP request is sent to the interface in an active detection mode, whether the network state, the service state and the service state of the current interface are abnormal or not is judged according to a returned message result, the service state and the service state are monitored on the basis of monitoring the network state of the interface, the detection period, the detection object and the detection rule can be adjusted by presetting and adjusting the detection configuration parameters, the flexibility of interface monitoring is improved, and the cost of manually calling or tracking the interface state in other modes is saved.
Drawings
Fig. 1 is a schematic flowchart illustrating an active detection method for health status of an HTTP interface according to an embodiment of the present invention;
fig. 2 is a schematic logic flow diagram of an active detection method for health status of an HTTP interface according to an embodiment of the present invention;
fig. 3 is a block diagram of an HTTP interface health status active probing system according to an embodiment of the present invention.
In the drawings, the correspondence between each component and the reference numeral is:
11. the system comprises a configuration reading module, 12 a request setting module, 13 a request analysis module, 14 a state analysis module, 15 a result statistics module and 16 an alarm notification module.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The invention is described in further detail below with reference to the attached drawing figures:
as shown in fig. 1 and fig. 2, the active probing method for the health status of the HTTP interface according to the present invention includes: reading to obtain interface detection configuration parameters according to a preset active detection configuration table; assembling to obtain HTTP request parameters according to the interface detection configuration parameters, and setting corresponding interface information; initiating an HTTP request to an interface, and analyzing to obtain an interface state code and a message node according to a returned message result; and judging whether the network state, the service state and the service state of the interface are normal or not according to the interface state code and the message node.
In the embodiment, an active detection mode is adopted to send an HTTP request to the interface, whether the network state, the service state and the service state of the current interface are abnormal or not is judged according to the returned message result, the service state and the service state are monitored on the basis of monitoring the network state of the interface, and the detection period, the detection object and the detection rule can be adjusted by presetting and adjusting the detection configuration parameters, so that the flexibility of interface monitoring is improved, and the cost of manually calling or tracking the interface state in other modes is saved.
Specifically, in order to detect the interface abnormality including the interface health state abnormality and the return data abnormality in time, an active detection mode is adopted for monitoring. The method comprises the steps of actively accessing a monitored interface by realizing HTTP timing automatic request, analyzing the returned state and the returned value of the interface, and judging the interface state by corresponding threshold values.
In the foregoing embodiment, preferably, the HTTP interface health status active probing method further includes: and after the judgment result of the interface is obtained by each detection, the judgment result is loaded into an alarm information table.
In the foregoing embodiment, preferably, the HTTP interface health status active probing method further includes: and judging whether an alarm is needed or not according to the abnormal times of the interface in the alarm information table and a preset abnormal alarm threshold value, and sending an alarm notice to a preset administrator when the alarm is needed.
Specifically, taking a telecommunication service interface as an example, the number business opportunity list query interface in the telecommunication service configures a number request message and returns a number business opportunity list in a message, where the number of business opportunity list is greater than 0 (all relevant parameters are configurable). And automatically extracting configured message nodes from the return message during detection and comparing whether the configuration requirements are met. And if the interface is normally accessed and returns to be normal, but the returned business opportunity list is empty, marking as abnormal, namely the network is normal, the interface service is normal, but the service is abnormal.
In the foregoing embodiment, preferably, the initiating the HTTP request to the interface specifically includes: and sending an HTTP request message to the interface in a get and post request mode according to the assembled HTTP request parameters and the assembled interface information and preset interval time.
Specifically, by setting the interval time, the HTTP request message can be sent to the interface once every interval time after the active detection is started, and the interval time can be configured by itself, so that the detection period can be flexibly configured according to the interface to be monitored, and the abnormal state information of the interface can be monitored in time.
In the foregoing embodiment, preferably, the determining, according to the interface status code and the packet node, whether the network status, the service status, and the service status of the interface are normal specifically includes:
determining whether the network state of the interface is abnormal or not by the interface state code according to the corresponding relation between the preset state code and the interface state;
and determining whether the service state and the service state of the interface are abnormal or not according to the pre-configured HTTP request parameters and the specific values in the message nodes.
According to the HTTP interface health state active probing method disclosed in the above embodiment, the specific implementation functions are as follows:
(1) supporting the request modes of setting an interface address, a request message body, a request message header, get and post;
(2) supporting setting of a detection interval;
(3) supporting the setting of interface failure rules: the http return code is a non-200 state code, and the message node and the failure threshold value are returned by self-definition;
(4) supporting the alarm threshold value configuration of one-time detection continuous initiation calling times, each calling interval and failure times;
(5) landing the detection result every time and marking whether to need alarming or not;
(6) and scanning, extracting and sending an alarm short message by a short message alarm program according to the record needing alarm.
As shown in fig. 3, the present invention further provides an HTTP interface health state active probing system, which applies the HTTP interface health state active probing method provided in any of the above embodiments, including:
the configuration reading module 11 is configured to read and obtain an interface detection configuration parameter according to a preset active detection configuration table;
a request setting module 12, configured to obtain HTTP request parameters through assembly according to the interface detection configuration parameters, and set corresponding interface information;
the request analysis module 13 is used for initiating an HTTP request to the interface and analyzing and obtaining an interface state code and a message node according to a returned message result;
and the state analysis module 14 is configured to determine whether the network state, the service state, and the service state of the interface are normal according to the interface state code and the packet node.
In the embodiment, an active detection mode is adopted to send an HTTP request to the interface, whether the network state, the service state and the service state of the current interface are abnormal or not is judged according to the returned message result, the service state and the service state are monitored on the basis of monitoring the network state of the interface, and the detection period, the detection object and the detection rule can be adjusted by presetting and adjusting the detection configuration parameters, so that the flexibility of interface monitoring is improved, and the cost of manually calling or tracking the interface state in other modes is saved.
In the foregoing embodiment, preferably, the HTTP interface health status active probing system further includes:
and the result counting module 15 is used for loading the judgment result into the alarm information table after the judgment result of the interface is obtained by each detection.
In the foregoing embodiment, preferably, the HTTP interface health status active probing system further includes:
and an alarm notification module 16, configured to determine whether an alarm is required according to the number of times of abnormality of the interface in the alarm information table and a preset abnormal alarm threshold, and send an alarm notification to a preset administrator when the alarm is required.
In the foregoing embodiment, preferably, the request analysis module 13 is specifically configured to:
and sending an HTTP request message to the interface in a get and post request mode according to the assembled HTTP request parameters and the assembled interface information and preset interval time.
In the foregoing embodiment, preferably, the state analysis module 14 is specifically configured to:
determining whether the network state of the interface is abnormal or not by the interface state code according to the corresponding relation between the preset state code and the interface state;
and determining whether the service state and the service state of the interface are abnormal or not according to the pre-configured HTTP request parameters and the specific values in the message nodes.
According to the HTTP interface health state active probing method and system provided in the above embodiments, in an implementation process, taking a telecommunication service interface as an example, the active probing method is specifically described as follows:
the monitoring item configuration table and the interface detection configuration parameter table for the detection parameters of the interface are as follows:
and selecting corresponding configuration according to the detection configuration parameters and the type and specific requirements of the interface to be detected, and sending an HTTP request message to the interface.
In the request process, the interface is detected 3 times each round, each time interval is 1s, preferably, two times of abnormity are alarmed, wherein whether the abnormity is abnormal, except that the http state code is judged by default, the following nodes and abnormal threshold values of the returned message are analyzed simultaneously:
if the "root.body.return _ CODE" node is not 0, it is abnormal.
The "root.body.out _ data.position _ INFO _ list.act _ LIST" size is 0, and this is abnormal.
In summary, according to the HTTP interface health state active detection method and system provided by the above embodiments, the automatic detection of the interface health state by the program is realized, and not only the network health state but also the more important service state and service state are realized, and the abnormal alarm is timely issued to the operation and maintenance personnel, and meanwhile, the interface detection configuration and the detection result analysis can be flexibly performed.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110761900.8A CN113676509A (en) | 2021-07-06 | 2021-07-06 | Method and system for active detection of HTTP interface health status |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110761900.8A CN113676509A (en) | 2021-07-06 | 2021-07-06 | Method and system for active detection of HTTP interface health status |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113676509A true CN113676509A (en) | 2021-11-19 |
Family
ID=78538903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110761900.8A Pending CN113676509A (en) | 2021-07-06 | 2021-07-06 | Method and system for active detection of HTTP interface health status |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113676509A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114978869A (en) * | 2022-07-15 | 2022-08-30 | 数研院(福建)信息产业发展有限公司 | Configurable interface state automatic judgment method and system |
| CN116016276A (en) * | 2022-12-02 | 2023-04-25 | 京东科技信息技术有限公司 | Server health state detection method and device |
| CN116055355A (en) * | 2022-11-21 | 2023-05-02 | 兴业银行股份有限公司 | Method and system for interface monitoring based on enterprise service bus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107122258A (en) * | 2017-04-18 | 2017-09-01 | 上海雷腾软件股份有限公司 | Method and apparatus for the state code check of test interface |
| CN108134708A (en) * | 2016-12-01 | 2018-06-08 | 腾讯科技（深圳）有限公司 | The method and apparatus for monitoring third party's interface |
| CN110740071A (en) * | 2018-07-18 | 2020-01-31 | 优信拍（北京）信息科技有限公司 | network interface monitoring method, device and system |
| CN110995539A (en) * | 2019-12-12 | 2020-04-10 | 深圳前海环融联易信息科技服务有限公司 | Business system monitoring method and device and computer equipment |
-
2021
- 2021-07-06 CN CN202110761900.8A patent/CN113676509A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108134708A (en) * | 2016-12-01 | 2018-06-08 | 腾讯科技（深圳）有限公司 | The method and apparatus for monitoring third party's interface |
| CN107122258A (en) * | 2017-04-18 | 2017-09-01 | 上海雷腾软件股份有限公司 | Method and apparatus for the state code check of test interface |
| CN110740071A (en) * | 2018-07-18 | 2020-01-31 | 优信拍（北京）信息科技有限公司 | network interface monitoring method, device and system |
| CN110995539A (en) * | 2019-12-12 | 2020-04-10 | 深圳前海环融联易信息科技服务有限公司 | Business system monitoring method and device and computer equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114978869A (en) * | 2022-07-15 | 2022-08-30 | 数研院(福建)信息产业发展有限公司 | Configurable interface state automatic judgment method and system |
| CN116055355A (en) * | 2022-11-21 | 2023-05-02 | 兴业银行股份有限公司 | Method and system for interface monitoring based on enterprise service bus |
| CN116016276A (en) * | 2022-12-02 | 2023-04-25 | 京东科技信息技术有限公司 | Server health state detection method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11632320B2 (en) | Centralized analytical monitoring of IP connected devices | |
| US9959151B2 (en) | System and method for tagging and tracking events of an application platform | |
| CN113676509A (en) | Method and system for active detection of HTTP interface health status | |
| CN105610648B (en) | A method and server for collecting operation and maintenance monitoring data | |
| CN109660380A (en) | Monitoring method, platform, system and the readable storage medium storing program for executing of operation condition of server | |
| US20060026467A1 (en) | Method and apparatus for automatically discovering of application errors as a predictive metric for the functional health of enterprise applications | |
| CN104618948B (en) | The method and system of transmitting file in a kind of monitoring | |
| CN104883282A (en) | Method and system for monitoring DNS server of terminal | |
| CN114363151A (en) | Fault detection method and device, electronic equipment and storage medium | |
| CN107241242A (en) | A kind of data processing method and device | |
| US12375508B2 (en) | Methodology for intelligent pattern detection and anomaly detection in machine to machine communication network | |
| CN109905262A (en) | A kind of monitoring system and monitoring method of CDN device service | |
| CN106911519A (en) | A kind of data acquisition monitoring method and device | |
| US8341650B1 (en) | High thread count analyzer for web application server environment | |
| CN116915577A (en) | Poor service quality fault diagnosis methods, devices, equipment, terminals and storage media | |
| US20250158872A1 (en) | Method and apparatus for processing service alarm based on cdn, device, and medium | |
| CN111385157B (en) | Server abnormity detection method and device | |
| EP3607767B1 (en) | Network fault discovery | |
| CN113055921B (en) | Fault processing method and terminal | |
| EP1622310A2 (en) | Administration system for network management systems | |
| CN114338189A (en) | Situation awareness defense method, device and system based on node topology relation chain | |
| CN114356710A (en) | Cluster data monitoring method and device, storage medium and electronic equipment | |
| US20080101375A1 (en) | Method of detecting an unsatisfactory quality of service and apparatus therefore | |
| CN111294412B (en) | Processing method and device for exception of content distribution network node server | |
| CN113395179A (en) | Method for improving readability of BGP peer jitter alarm information in IP network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211119 |
|
| RJ01 | Rejection of invention patent application after publication |