CN105389186A - Hot deployment method and system for Java application - Google Patents
Hot deployment method and system for Java application Download PDFInfo
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- CN105389186A CN105389186A CN201510812816.9A CN201510812816A CN105389186A CN 105389186 A CN105389186 A CN 105389186A CN 201510812816 A CN201510812816 A CN 201510812816A CN 105389186 A CN105389186 A CN 105389186A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/61—Installation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
- G06F8/656—Updates while running
Abstract
The present invention provides a hot deployment method and system for a Java application. The method comprises the following steps: a spring container scanning an application, and registering a file corresponding to the application into the spring container; a hot deployment module scanning the application, and recording file names and paths of a class file and a configuration file within the application; and replacing a file stored in the application with a file that needs to be hot-deployed. The file corresponding to the application is registered in the spring framework for operation, so that hot deployment can be carried out without starting and stopping a system, thereby achieving the effect of hot deployment updating.
Description
Technical field
The present invention relates to the hot deployment techniques of application, particularly relate to heat deploying method and the system of a kind of Java application.
Background technology
So-called heat is disposed, and the upgrade software when application runs, does not but need to restart application exactly.
For JavaEE (javaenterpriseedition, java enterprise platform) program, it is exactly upgrade java class file, configuration file when system cloud gray model that heat is disposed, and without the need to stopping application.
Carrying out, in Javaweb program development process, often running into this problem, revising a Java file/configuration file, needing to restart web server (as tomcat, weblogic etc.), deploying projects.And start and stop server wastes a large amount of time.In small project, perhaps we are imperceptible, but for the mega project of company, as the exploitation of the systems such as data center, opening/stopping needs to wait for time a few minutes.Meanwhile, in debug process, if amendment repeatedly, need start and stop server repeatedly, greatly reduce development efficiency.And in production environment, restart except a large amount of time can be wasted, also can bring extra risk, reduce Consumer's Experience.
As can be seen from above, invent a kind of heat deploying method/instrument, have great help for our development efficiency of raising, O&M efficiency, raising Consumer's Experience.Meanwhile, when production system runs into fault, the mode that heat is disposed can help developer when investigating fault as soon as possible, patching bugs without the need to stopping when application, reduces the maintenance rank of system.
At present, some web application provides the function automatically detecting handling application, but is mostly equivalent to restart an application, and the data be stored in internal memory also can be lost, and can not satisfy the demand neatly.And OSGI framework, although the heat also providing module is disposed, be limited in the framework of OSGI in order to dispose by heat by application, have changed the framework of whole application, specification, the degree of coupling is too high, seems and loses more than gain.Some heat deploying method/systems realized by self defined class loader of current main flow, although heat can be realized dispose, but for some main flow frameworks of JavaEE exploitation, as spring, strtus etc. do not support, therefore, invention one can support main flow framework, simultaneously again can with the heat deploying method/system of other module decoupling zeros of application, seem particularly important.
Summary of the invention
For this reason, need to provide a kind of invention one can support main flow framework, simultaneously again can with the heat deploying method of other module decoupling zeros of application and system.
For achieving the above object, inventor provide the heat deploying method that a kind of Java applies,
Comprise the steps,
Spring container scanning application program, by file registration corresponding for application program in described spring container;
Hot deployment module scanning application program, the filename of the interior class file of record application, configuration file and path, place;
The file carrying out the file replacement application memory storage that heat is disposed will be needed.By file registration corresponding for application program is run under spring framework, heat can be carried out when not start stop system and dispose, reach and carry out heat and dispose the effect upgraded.
Further, also comprise step,
File in hot deployment module scanning application, record current application version number;
According to application current version number and the version number for replacing, alternate file corresponding for the version number being used for replacing is covered path corresponding to current version file.By record version number, alternate file that can be convenient, can carry out the backtracking of version simultaneously more easily.
Further, also comprise step,
Applications is acquisition request application file from spring container.Applications obtains application file from spring container, the introducing of Spring container, make hot deployment module and applications full decoupled.Still normally can run when system update, improve the work efficiency of system.
Preferably, the file if desired carrying out heat deployment is spring configuration file, then carry out step,
Resolve described spring configuration file, obtain the class file that comprises and spring configuration information;
Perform the built-in refresh operation of spring according to the class file comprised and spring configuration information, heat is carried out to spring configuration file and disposes.Utilize said method to upgrade spring configuration file, the heat that improve the inventive method disposes efficiency.
A hot deployment system for Java application, comprises Registering modules, hot deployment module,
Described Registering modules is used for by spring container scanning application program, by file registration corresponding for application program in described spring container;
Described hot deployment module, for scanning application program, records filename and the path, place of class file, configuration file in application;
Described hot deployment module is also for needing the file carrying out the file replacement application memory storage that heat is disposed.System by file registration corresponding for application program being run to spring framework under, can be carried out heat when not start stop system and dispose, reach the effect of carrying out heat deployment renewal.
Further,
Described hot deployment module, also for scanning the file in application, records current application version number;
According to application current version number and the version number for replacing, by the version number being used for replacing to alternate file cover path corresponding to current version file.System is by record version number, and alternate file that can be convenient, can carry out the backtracking of version simultaneously more easily.
Further, also comprise outside acquisition module,
Described outside acquisition module is used for making applications acquisition request application file from spring container.Still normally can run when system update, improve the work efficiency of system.
Preferably, also comprise spring configuration module, described spring configuration module is used for, when needing to carry out file that heat disposes and being spring configuration file, resolving described spring configuration file, obtaining the class file that comprises and spring configuration information;
Described spring configuration module also for performing the built-in refresh operation of spring according to the class file comprised and spring configuration information, carrying out heat to spring configuration file and disposing.Utilize said method to upgrade spring configuration file, the heat that improve the inventive method disposes efficiency.
Be different from prior art, technique scheme is by performing file registration corresponding for application program in spring container frame, backstage is made not affect the acquisition of applications to application file when carrying out file update, reach not start stop system and application file is carried out to the technique effect of heat deployment, the main flow framework that the present invention supports current javaweb to develop, has reached the full decoupled of hot deployment and application module; The heat that the present invention proposes invertible operation is first disposed.
Accompanying drawing explanation
Fig. 1 is the method flow schematic diagram described in the specific embodiment of the invention;
Fig. 2 is the system module schematic diagram described in the specific embodiment of the invention;
Fig. 3 is the file replacement function figure described in the specific embodiment of the invention;
Fig. 4 is the system component graph of a relation described in the specific embodiment of the invention;
Fig. 5 is the application system life cycle figure described in the specific embodiment of the invention.
Description of reference numerals:
200, Registering modules;
202, hot deployment module;
204, outside acquisition module;
206, spring configuration module.
Embodiment
By describe in detail technical scheme technology contents, structural attitude, realized object and effect, coordinate accompanying drawing to be explained in detail below in conjunction with specific embodiment.
Referring to Fig. 1, is the heat deploying method schematic flow sheet of a kind of Java application of the present invention,
Comprise the steps,
S100:spring container scanning application program, by file registration corresponding for application program in described spring container;
S102: hot deployment module scanning application program, the filename of the interior class file of record application, configuration file and path, place;
S106: will the file carrying out the file replacement application memory storage that heat is disposed be needed.
The file update that the present invention carries out under being applicable to Java framework, Spring is the Development Framework of increasing income of a java, and described Spring container is controlled by spring, for managing the container of all resources (class, configuration file etc.) of application.In traditional program, class (that is: object) is completed by developer, and in spring container, the generation of object transfers to spring framework.Wherein apply, application program refers to the program run in system, each program stores the file of its correspondence at ad-hoc location, and namely application file or file corresponding to application program, mainly comprise class file, configuration file etc.First application file is registered in spring container by scanning in this method, to record in application class file and, the filename of configuration file; Hot deployment module obtains the file needing to carry out upgrading, and carries out heat dispose needing the file carrying out upgrading.By file registration corresponding for application program is run under spring framework, heat can be carried out when not start stop system and dispose, reach and carry out heat and dispose the effect upgraded.In certain embodiments, need the file upgraded to be class file or configuration file, for class file, can also batch updating be carried out, specific as follows:
1) circulation is to listed files, performs the replacement operation of single class file
2) spring configuration file is refreshed, the class file comprised in batch updating configuration file, attribute configuration file.
In further embodiments, to need the file upgraded for configuration file, configuration file is divided into spring configuration file and general configuration file, and the process of general configuration file directly covers as described in step S106 replaces, if spring configuration file, then carry out step S108:
Resolve described spring configuration file, obtain the class file that comprises and spring configuration information;
Perform the built-in refresh operation of spring according to the class file comprised and spring configuration information, heat is carried out to spring configuration file and disposes.
Come this is because the renewal of spring configuration file needs to rely on spring framework, the built-in refresh function of spring framework can reach the effect of file update, and described spring configuration information is that the file of spring configuration file is quoted or relation of inclusion.By above-mentioned spring configuration information, carry out the built-in refresh operation of spring and dispose to the heat of carrying out spring configuration file, saved the time, further increased the efficiency of heat deploying method.
In some further embodiment, also comprise step,
S104: the file in hot deployment module scanning application, record current application version number;
According to application current version number and the version number for replacing, by the version number being used for replacing to alternate file cover path corresponding to current version file.Directly the application file of different editions is carried out record by version number, be convenient to search and batch updating, when finding that the new application function upgraded does not reach expection, can dispose heat and carrying out back tracking operation, search a version number, some version number got back to and specify of also can rolling.By record version number, alternate file that can be convenient, can carry out the backtracking of version simultaneously more easily.
In further embodiments, also comprise step S108,
Applications is acquisition request application file from spring container.The benefit that applications obtains application file from spring container is, when internal applications upgrades, whole system still externally can provide service as server, the acquisition request of applications can constantly be carried out all the time, only have the file disposed when heat be replaced successfully and re-register in golden spring container, the application file that applications obtains just becomes the application file after being replaced successfully at once.By said method, applications obtains application file from spring container, still normally can run, improve the work efficiency of system when system update.
As shown in Figure 2, be the hot deployment system that a kind of Java applies, comprise Registering modules 200, hot deployment module 202,
Described Registering modules 200 is for scanning application program, by file registration corresponding for application program in described spring container by spring container;
Described hot deployment module 202, for scanning application program, records filename and the path, place of class file, configuration file in application;
Described hot deployment module 202 is also for needing the file carrying out the file replacement application memory storage that heat is disposed.By said system, file registration corresponding for application program is run under spring framework, heat can be carried out when not start stop system and dispose, reach and carry out heat and dispose the effect upgraded.
Further,
Described hot deployment module, also for scanning the file in application, records current application version number;
According to application current version number and the version number for replacing, by the version number being used for replacing to alternate file cover path corresponding to current version file.Native system is by record version number, and alternate file that can be convenient, can carry out the backtracking of version simultaneously more easily.
Further, also comprise outside acquisition module 204,
Described outside acquisition module 204 is for making applications acquisition request application file from spring container.Still normally can run when system update, improve the work efficiency of system.
Preferably, also comprise spring configuration module 206, described spring configuration module is used for, when needing to carry out file that heat disposes and being spring configuration file, resolving described spring configuration file, obtaining the class file that comprises and spring configuration information;
Described spring configuration module 206 also for performing the built-in refresh operation of spring according to the class file comprised and spring configuration information, carrying out heat to spring configuration file and disposing.Utilize said method to upgrade spring configuration file, the heat that improve the inventive method disposes efficiency.
In some other embodiments, the present invention proposes a kind of based on spring, simultaneously in conjunction with the heat deploying method that the Java of self defined class loader applies, hot deployment scheme as compared with the past, except the MVC framework supporting all main flows, also greatly reduce complexity, simultaneously full decoupled with operation system, propose the hot deployment scheme supporting rollback simultaneously first, propose the hot deployment scheme supporting Reconfigurations file first.The present invention is divided into following several module: Registering modules, files passe module, hot deployment module, roll-back module, core loader module.Each assembly is described below:
1. Registering modules
When application start, all resources in the application of module autoscan, record resource name, resource path in the application, and current application version number.
2. files passe module
There is provided and deposit path in (server address depositing the file of all previous submission), by this file submitted to stored in specified path.
3. hot deployment module
Heat is provided to dispose function.Can specify the version number needing to replace, described version number is from the version number generated in files passe module.Meanwhile, the time performing heat and dispose can be specified, dispose immediately or regularly dispose.
Deployment module detailed process is:
1) current according to system version number, and specify the version number needing to replace, from version repository, take out the file that each version needs to replace, after merging, obtain the general act list needing to replace
2) successively by file copy to application in path, perform overlapping operation.
3) refresh operation provided of core loader module is provided successively.If file is class file, then performs and refresh generic operation; If configuration file, then perform Refreshing Configuration Files operation.
4. roll-back module
There is provided automatic rollback function, this function can be used for after executing deployment operation in production environment, if find, application function does not reach expection, can dispose and carry out rolling back action, also can specify the version number of rollback to heat.The contrary operation being operating as heat deployment performed by this module.
5. core loader module
This module is the bottom layer realization module of whole module.Hot deployment file replacement function is provided to realize.Comprise the hot replacement function of Single document, multifile replacement function, the configuration file replacement function in batches based on spring.As shown in Figure 3.
5.1 upgrade single class file
Complete monofile replacement needs and carry out following two steps:
1) class file of the specified path in self defined class loader load application is used.
2) perform the registration operation of spring, such is updated in spring.
5.2 batch updating class files
The renewal of batch class file has two kinds of modes:
1) circulation is to listed files, performs the replacement operation of single class file
2) spring configuration file is refreshed, the class file comprised in batch updating configuration file, attribute configuration file
5.3 Reconfigurations files
Configuration file is divided into spring configuration file and general configuration file
The renewal of spring configuration file then needs the framework relying on spring.Step is as follows:
1) loader loading configuration file is used
2) resolve configuration file, list the class file and other spring configuration informations that comprise in configuration file
3) perform the built-in refresh operation of spring, refresh all information in spring configuration file.
5.4 each component dependencies are as Fig. 4:
Dependence is described as follows:
1) files passe module depends on scan module.Scan module scans application all class file, the filename of configuration file, absolute path when application start.During files passe, according to filename, the absolute path of matching files.Combine this unique version number uploaded according to absolute path, determine the store path of file in stock storehouse, thus by file stored in this path.
2) hot deployment module, roll-back module depend on files passe module.During hot deployment/rollback, according to the version number specified, obtain the listed files of this replacement/rollback, successively overlay file, perform refresh operation.
3) hot deployment module, roll-back module depend on core loader module.Core loader module achieves the function that file is replaced, and exposed interface gives other modules.Other modules complete file by the interface calling nucleus module and provide and replace.
5.5 have heat disposes the complete life cycle of the whole application system of function as shown in Figure 5: comprise the steps: in system
Step 1: when system starts, spring container scanning application program, by resource registerings such as class files in container, facilitates business module to obtain.
Step 2: hot deployment module scanning application program, all class files, the filename of configuration file, place fullpath in record application.
Step 3: business module is certain class of acquisition request from spring container
Step 4: perform upload operation, uploads the file needing heat to dispose
Step 5: in the process of business module stable operation, performs hot deployment operation, alternate file, and the class after replacing is re-registered in spring container
Step 6: perform rolling back action, roll back to concrete version, and the class after replacing is re-registered in spring container.
In whole application operational process, step 3 is constantly repeating, and after performing step 5 or 6, replacement comes into force.When again performing step 3, the class got be then replace after.
The process that whole heat is disposed is transparent concerning business module, full decoupled.To any application, can add/delete heat fast and dispose function, and without the need to the framework of the system of changing or business module.Meanwhile, use spring managed class/resource, heat can be made to dispose function and support various main flow framework, support the renewal of configuration file simultaneously.The introducing of version concept, makes the operation of batch updating become simply, fast, supports to be updated to any version.In heat is disposed, introduce the function of rollback first, greatly improve the convenience of exploitation/O&M.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or terminal device and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or terminal device.When not more restrictions, the key element limited by statement " comprising ... " or " comprising ... ", and be not precluded within process, method, article or the terminal device comprising described key element and also there is other key element.In addition, in this article, " be greater than ", " being less than ", " exceeding " etc. be interpreted as and do not comprise this number; " more than ", " below ", " within " etc. be interpreted as and comprise this number.
Those skilled in the art should understand, the various embodiments described above can be provided as method, device or computer program.These embodiments can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.The hardware that all or part of step in the method that the various embodiments described above relate to can carry out instruction relevant by program has come, described program can be stored in the storage medium that computer equipment can read, for performing all or part of step described in the various embodiments described above method.Described computer equipment, includes but not limited to: personal computer, server, multi-purpose computer, special purpose computer, the network equipment, embedded device, programmable device, intelligent mobile terminal, intelligent home device, wearable intelligent equipment, vehicle intelligent equipment etc.; Described storage medium, includes but not limited to: the storage of RAM, ROM, magnetic disc, tape, CD, flash memory, USB flash disk, portable hard drive, storage card, memory stick, the webserver, network cloud storage etc.
The various embodiments described above describe with reference to the process flow diagram of method, equipment (system) and computer program according to embodiment and/or block scheme.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block scheme and/or square frame and process flow diagram and/or block scheme and/or square frame.These computer program instructions can being provided to the processor of computer equipment to produce a machine, making the instruction performed by the processor of computer equipment produce device for realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer equipment readable memory that works in a specific way of vectoring computer equipment, the instruction making to be stored in this computer equipment readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be loaded on computer equipment, make to perform sequence of operations step on a computing device to produce computer implemented process, thus the instruction performed on a computing device is provided for the step realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
Although be described the various embodiments described above; but those skilled in the art are once obtain the basic creative concept of cicada; then can make other change and amendment to these embodiments; so the foregoing is only embodiments of the invention; not thereby scope of patent protection of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included within scope of patent protection of the present invention.
Claims (8)
1. a heat deploying method for Java application, is characterized in that, comprise the steps,
Spring container scanning application program, by file registration corresponding for application program in described spring container;
Hot deployment module scanning application program, the filename of the interior class file of record application, configuration file and path, place;
The file carrying out the file replacement application memory storage that heat is disposed will be needed.
2. the heat deploying method of Java application according to claim 1, is characterized in that, also comprise step,
File in hot deployment module scanning application, record current application version number;
According to application current version number and the version number for replacing, by the version number being used for replacing to alternate file cover path corresponding to current version file.
3. the heat deploying method of Java application according to claim 1, is characterized in that, also comprise step,
Applications is acquisition request application file from spring container.
4. the heat deploying method of Java application according to claim 1, is characterized in that, the file if desired carrying out heat deployment is spring configuration file, then carry out step,
Resolve described spring configuration file, obtain the class file that comprises and spring configuration information;
Perform the built-in refresh operation of spring according to the class file comprised and spring configuration information, heat is carried out to spring configuration file and disposes.
5. a hot deployment system for Java application, is characterized in that, comprise Registering modules, hot deployment module,
Described Registering modules is used for by spring container scanning application program, by file registration corresponding for application program in described spring container;
Described hot deployment module, for scanning application program, records filename and the path, place of class file, configuration file in application;
Described hot deployment module is also for needing the file carrying out the file replacement application memory storage that heat is disposed.
6. the hot deployment system of Java application according to claim 5, is characterized in that,
Described hot deployment module, also for scanning the file in application, records current application version number;
According to application current version number and the version number for replacing, by the version number being used for replacing to alternate file cover path corresponding to current version file.
7. the hot deployment system of Java application according to claim 5, is characterized in that, also comprise outside acquisition module,
Described outside acquisition module is used for making applications acquisition request application file from spring container.
8. the hot deployment system of Java application according to claim 5, it is characterized in that, also comprise spring configuration module, described spring configuration module is used for when the file needing to carry out heat deployment is spring configuration file, resolve described spring configuration file, obtain the class file that comprises and spring configuration information;
Described spring configuration module also for performing the built-in refresh operation of spring according to the class file comprised and spring configuration information, carrying out heat to spring configuration file and disposing.
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| CN108829433A (en) * | 2018-05-24 | 2018-11-16 | 努比亚技术有限公司 | A kind of web system version dispositions method, equipment and storage medium |
| CN111273916A (en) * | 2018-12-04 | 2020-06-12 | 北京京东金融科技控股有限公司 | Algorithmic heat deployment method, apparatus, computer system and medium |
| CN109634655A (en) * | 2018-12-10 | 2019-04-16 | 江苏满运软件科技有限公司 | Variable configuration method based on heat deployment, device, electronic equipment, storage medium |
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| CN113867832A (en) * | 2021-09-15 | 2021-12-31 | 广州云徙科技有限公司 | Method, system, computer device and medium for dynamically modifying business data logic |
| CN113867832B (en) * | 2021-09-15 | 2024-04-02 | 广州云徙科技有限公司 | Method, system, computer equipment and medium for dynamically modifying business data logic |
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