CN107239313A - The upgrade method and storage medium of Spring application services - Google Patents
The upgrade method and storage medium of Spring application services Download PDFInfo
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- CN107239313A CN107239313A CN201710437383.2A CN201710437383A CN107239313A CN 107239313 A CN107239313 A CN 107239313A CN 201710437383 A CN201710437383 A CN 201710437383A CN 107239313 A CN107239313 A CN 107239313A
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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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/445—Program loading or initiating
- G06F9/44521—Dynamic linking or loading; Link editing at or after load time, e.g. Java class loading
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Abstract
Present disclose provides a kind of upgrade method of Spring application services and computer-readable recording medium, this method includes：The renewal for receiving jar file by application context manager is asked, judge that the context for updating the corresponding jar file of request whether there is, if being not present, then notify to update request described in Classloader manager, judging to update by Classloader manager asks the Classloader of corresponding jar file whether there is, if being not present, it is then that jar file creates corresponding self defined class loader by Classloader manager, and notify self defined class loader to load the class object in the jar file, class object in self defined class loader loading jar file, and with currently context Classloader bind set membership.The method and computer-readable recording medium provided according to the disclosure, can upgrade in the case where not disabling application server to application service, and the situation to multi-party co-development is especially suitable.
Description
Technical field
The present invention relates to data processing field, more particularly, it is related to a kind of upgrade method of Spring application services
And computer-readable recording medium.
Background technology
In the related art, the way of conventional upgrading Spring application services is to restart server.Specifically, restart
The upgrade method of server may include：JAVA application servers are disabled, the Spring application servers of upgrading are disposed, start JAVA
Server, allows newly deployed JavaBean to come into force.
Existing upgrade restarts the upgrade method of server, there are many shortcomings.For example, for many unit co-developments
Situation, every unit is likely to change version to solve test problem.Application server is continually restarted daily, can be serious
Influence the testing progress and test effect of exploitation.Moreover, for the higher enterprise of requirement of real-time (for example, it is desired to provide 7*24
The bank of hour persistent service) for, it is even more that can influence the ageing of application server.Moreover, for using total merotype
The enterprise of (for example, head office is responsible for overall framework and common service Development of Module, branch is responsible for branch's differentiation Development of Module) exploitation
For industry, if disposing new opplication by the way of server is restarted, need to wait unified time window to carry out on version
Line, this mode seriously reduces upgrading and development efficiency.
The content of the invention
In order to solve the above technical problems, can present disclose provides a kind of upgrade method of Spring application services and computer
Storage medium being read, can be in the case where Spring application servers need not be stopped, Spring application services of upgrading, so as to
Enough allow the Spring application services for being not belonging to be currently running in the range of this upgrading unaffected, significantly improve upgrading efficiency.
According to the first aspect of embodiment of the present invention, there is provided a kind of upgrade method of Spring application services, the party
Method may include：The renewal for receiving jar file by application context manager is asked, and judges that described update asks corresponding JAR
The context of file whether there is, if the context of the jar file is not present, and notify to update described in Classloader manager
Request, judges that described update asks the Classloader of corresponding jar file whether there is, if institute by the Classloader manager
The Classloader for stating jar file is not present, then is that the corresponding self defined class of jar file establishment adds by Classloader manager
Device is carried, and notifies the self defined class loader to load the class object in the jar file, the self defined class loader loading
Class object in the jar file, and with currently context Classloader bind set membership.
In some embodiments, methods described also includes：Created by application context manager for the jar file
Context, so as to by the context created with it is current the Classloader of context bind set membership.
In some embodiments, methods described also includes：The self defined class loader is set to application context
Classloader, and refresh application context, to load the JavaBean in the jar file.
In some embodiments, methods described also includes：If the context of the jar file is present, unloading is described
The context of jar file.
In some embodiments, methods described also includes：If the Classloader of the jar file is present, notifying should
Already present Classloader is closed, and discharges the Classloader of the presence.
In some embodiments, methods described also includes：When having using needing to update, renewal jar file clothes are called
Business receives the jar file of the renewal uploaded, and jar file service has been received after jar file, notifies the application context manager
The renewal request of the jar file.
According to the second aspect of embodiment of the present invention there is provided a kind of computer-readable recording medium, it is stored thereon with
Computer program, is realized when described program is executed by processor：The renewal for receiving jar file by application context manager please
Ask, judge that the context for updating the corresponding jar file of request whether there is, if the context of the jar file is not present,
Then notify to update request described in Classloader manager, judge that described update asks corresponding by the Classloader manager
The Classloader of jar file whether there is, if the Classloader of the jar file is not present, be by Classloader manager
The jar file creates corresponding self defined class loader, and notifies the self defined class loader to load in the jar file
Class object, the self defined class loader loads the class object in the jar file, and with currently context class
Loader binds set membership.
Implement the upgrade method and computer-readable recording medium for the Spring application services that embodiment of the present invention is provided,
Can be in the case where not disabling application server, it is ensured that the renewal upgrading of Spring application services, serviced with existing disable
The mode of device upgrading is compared, and can not influence the Spring application services for being not belonging in the range of this upgrading, being currently running, significantly
Improve the efficiency of Spring application services upgrading；Being additionally, since does not influence to be not belonging in the range of this upgrading, is currently running
Spring application services, that is to say, that do not interfere with the test operation of other exploitation sides of co-development, it is allowed to which each side each opens
From oneself JavaBean and come into force in real time, in the case of multi-party co-development, can improve on the whole exploitation and survey
The efficiency of examination.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the upgrade method of the Spring application services according to one embodiment of the present invention.
Fig. 2 is the flow chart of the upgrade method of the Spring application services according to one embodiment of the present invention.
Embodiment
It is described in detail to various aspects of the present invention below in conjunction with the drawings and specific embodiments.Wherein, many institute's weeks
The module known, unit and its connection, link, communication or operation each other are not shown or not elaborated.Also, institute
Feature, framework or the function of description can in any way be combined in one or more embodiments.People in the art
Member is it should be appreciated that following various embodiments are served only for for example, not for limiting the scope of the invention.May be used also
To be readily appreciated that, module or unit or processing mode in each embodiment described herein and shown in the drawings can by it is various not
It is combined and designs with configuration.
The term used in being described below to embodiment of the present invention is briefly described, it is necessary to which what is illustrated is, although this
Place is explained to term, but should not be construed as, and these explanations are the limitations to these terms.
JAVA：JAVA is the JAVA Object-oriented Programming Designs released by SunMicrosystems companies May nineteen ninety-five
The general name of language (hereinafter referred to as JAVA language) and JAVA platforms.For developing Internet application program.JAVA is by four aspects
Composition：JAVA programming languages, JAVA file formats, JAVA virtual machine (JVM), JAVA application programming interfaces (JAVAAPI).
JAVA programs：Compiling JAVA bytecode out by JAVA source codes (suffix is .java file), (suffix is
.class file).
Class：Chinese：Class object.In JAVA, each class has a corresponding Class object.Also
It is to say, when we write a class (JAVA source codes), after the completion of compiling, in the .class files of generation, one will be produced
Class objects, the type information for representing this class.
JAVA archive files：JAVA archive files have JAR (JavaArchive Chineses are JAR archive files), WAR
(Web applicationARchive Chineses are WEB application archive file), EAR (EnterpriseARchive Chinese names
Referred to as enterprise-level archive file) etc. several types, JAVA archive file formats are based on popular ZIP file form, file
Name suffix is .jar .war or .ear.JAVA archive files are applied not only to compress and issued, but also for disposing and encapsulating
Storehouse, component and plug-in card program.One or more .class files or other type files (can include bibliographic structure) are compressible
For a JAVA archive file.
JVM：JVM is the abbreviation of JAVAVirtual Machine (JAVA virtual machine), and JVM is a kind of for computing device
Specification, it is one and fabricates computer out, is by the various computer functions of analogue simulation on actual computer
Come what is realized.The process of JVM configuration processors：I. .class files are loaded.II. manage and storage allocation.III. rubbish is performed to receive
Collection.
ClassLoader：ClassLoader (Classloader) is used for loading JAVA classes into JVM.It is different from ordinary procedure
Be that JAVA programs are not local executable program.When running JAVA programs, JVM is run first, then again class
Class is loaded into operation inside JVM, and this part for being responsible for loading JAVA class is just called Class Loader.
CLASSPATH：Class.path.The environmental variance needed for JVM, for tell JVM under which catalogue or from which
The JAVA programs to be performed can be found in a little jar files.
J2EE middlewares：Middleware is a class software name, category basic software and reusable software.Total effect be in
The environment that the application software on oneself upper strata provides operation and exploitation helps User Exploitation and integrated application software.J2EE middlewares are special
Refer to JAVA application server softwares, the JAVA application server softwares of common commercialization have Tomcat, Weblogic,
Websphere etc..
JAVA application servers：Application server is mainly that application program provides running environment, and service is provided for component.
JAVA application services：It is deployed in JAVA application servers, and the JAVA programs of certain service is provided.
JavaBean：The Reusable Module that a kind of JAVA language is write as, is substantially a java class object, is met as follows
Two conditions：(1) possesses printenv constructed fuction；(2) set, get method have been write for member.
Spring frameworks：Spring is an Open Framework, and it is created to solve the complexity of enterprise's application and development
Build.Spring completes to be only possible to what is completed by EJB (Enterprise JavaBean) in the past using basic JavaBean
Thing.Spring frameworks are made up of seven well-defined modules, present document relates to be spring-core and spring-
context。
Spring-core：Spring cord cages are the most basic parts of Spring frameworks, and it, which provides to rely on, injects
(DependencyInjection) feature realizes management of the container to Bean.
BeanFactory：Bean factories.BeanFactory is the core of Spring applications, is a reality of factory mode
Existing, it is separated application configuration and dependence explanation using IoC from actual application code.
Spring-context：Application context module.The BeanFactory of nucleus module makes Spring turn into an appearance
Device, and application context module makes it a framework.This module extends BeanFactory concept, adds pair
Internationalization (I18N) message, event propagation and the support of checking.
Spring application services：It is deployed in Spring containers, and the JavaBean programs of certain service is provided
Spring application servers：Refer to the JAVA application servers for having used Spring frameworks.
Spring application services described in embodiment of the present invention are made up of one group of javabean, these javabean energy
Specific business or technical regulation are enough realized, so as to realize specific business service.Javabean needs to be deployed in Spring should
With in server.
When starting Spring application servers, loaded by the JAVA Classloaders of JAVA virtual machine from class.path in J2EE
Between part software and Spring frameworks, then by the application context in Spring frameworks both User Exploitation javabean and
Cited third party's (java programs) of exploitation etc..Wherein, third party's (java applet) is generally the JAVA filing texts of JAR forms
Part.The Javabean of User Exploitation is generally the one or more JAVA archive files of boil down to.Upgrading Spring application services, are needed
The Javabean of User Exploitation and third party's (JAVA programs) are saved in the JAVA virtual machine energy of JAVA application servers
Under the class.path enough identified.Updating operation can change the JAVA programs under class.path, it is necessary to restart JAVA virtual machine, with
Ensure that JAVA classes record it and can reload JAVA programs, allow upgrading to come into force.
Referring to Fig. 1, Fig. 1 is that the flow of the upgrade method of the Spring application services according to one embodiment of the present invention is shown
It is intended to, the upgrade method may include：
S101, the renewal for receiving jar file by application context manager is asked, and judges that described update asks corresponding
The context of jar file whether there is, if the context of jar file is not present, and step S102 be performed, if jar file is upper
Hereafter exist, then perform step S103,
S102, is notified to update request described in Classloader manager, and described update is judged by the Classloader manager
Ask the Classloader of corresponding jar file whether there is, if the Classloader of jar file is not present, perform step S104,
If the Classloader of jar file is present, step S105 is performed,
S103, unloads the context of the jar file,
S104, is that the jar file creates corresponding self defined class loader by Classloader manager, and notify described
Self defined class loader loads the class object in the jar file,
S105, notifies the already present Classloader to close, and discharges the Classloader of the presence,
S106, self defined class loader loads the class object in the jar file, and with currently context class
Loader binds set membership.
In embodiments of the present invention, the renewal for receiving jar file by application context manager in step S101 please
Ask, wherein, the jar file can be by update jar file server upload obtain the need for the jar file that updates.When having
When Spring applications need to update, the jar file of the renewal of jar file server reception technique personnel upload is called, JAR is updated
File service has been received after the more new file of the jar file of technical staff's upload, is notified that application context manager has JAR
The renewal of file.
In step S101, application context manager, which can be received, updates the renewal request that jar file service is sent, and judges more
The context of corresponding jar file whether there is in new request, if it is present, illustrating that this jar file updated is pair
The renewal of original jar file, then perform step S103, the corresponding context of the jar file is unloaded；If being not present, that
This jar file updated of explanation is the renewal of brand-new jar file, then performs step S102, notifies Classloader pipe
The renewal request of device jar file is managed, the Classloader for judging the corresponding jar file of renewal request by Classloader manager is
No to exist, if the Classloader of jar file is not present, then illustrate, the jar file is that do not have corresponding Classloader originally,
Then execution step S104, is that the jar file creates corresponding self defined class loader by Classloader manager, and notify to be somebody's turn to do certainly
Definition Classloader loads the class object in the jar file, if the Classloader of jar file is present, due to there is jar file
Classloader is, it is necessary to be updated, then execution step S105, notifies the Classloader existed to close, and discharge this
The Classloader of presence.
In step S104, Classloader manager notifies the JAR texts that the self defined class loader loading newly created updates
Class object in part, in step 106, self defined class loader can load jar file according to the notice of Classloader manager
In class object, and with currently context Classloader bind set membership.
In certain embodiments of the present invention, application context manager uses Spring frameworks
FileSystemXmlApplicationContext classes are the jar file that jar file creates that a corresponding context is renewal
Create a corresponding context, so as to the context that newly creates jar file and system currently the class of context add
Carry device binding set membership.
In certain embodiments of the present invention, by the context of the jar file newly created and system it is current
After the Classloader binding set membership of context, the Classloader of systematic difference context can be set to step
The self defined class loader that S104 is created, and can be by refreshing application context, to load in jar file
Javabean。
In some embodiments, the upgrade method of Spring application services can be as shown in Figure 2.
(1) when operator needs upgrading Spring application services, jar file service upload JAR texts are updated by calling
Part.
(2) update jar file service to have received after the jar file of renewal, notify application context manager to update.
(3) application context manager is received after renewal request, first determines whether whether the corresponding context of jar file is deposited
If it is present unloading the corresponding context of the jar file.
(4) if there is no the context of the jar file, then application context manager notifies Classloader manager more
Newly.
(5) Classloader manager is received after renewal request, first determines whether making by oneself corresponding to the jar file that request updates
Adopted Classloader whether there is, if it is present notifying the Classloader to close, then discharge the Classloader.
(6) self defined class loader is received after turn-off request, the corresponding jar file of unloading.
(7) if it does not exist, then Classloader manager, which is jar file, creates a corresponding self defined class loader,
And notify the Classloader to load the class object in jar file.
(8) self defined class loader is received after load request, the class object of the specified jar file of loading, and with it is current
Application context Classloader bind set membership.
(9) application context manager uses the FileSystemXmlApplicationContext classes of Spring frameworks
Create a corresponding context for jar file, then, with system it is current application context set up set membership；If
Put the Classloader that the Classloader of application context is created by (7) step；Refresh application context, for loading JAR texts
JavaBean in part.
As some JavaBean during JAVA programs need to upgrade JAR archive files, above and below JAVA routine calls application
The acquisition JavaBean methods of literary manager.Application context manager is received after request, first determine whether that jar file is corresponding on
Hereafter it whether there is, if it does not exist, then calling update method ((3) described above-(9)) to be created for jar file on one
Hereafter.Application context manager is found after corresponding context, calls the getBean methods of the context, and return is called
The JavaBean of gained.
The upgrade method for the Spring application services that embodiment of the present invention is provided, first, can be in multi-party co-development
In the case of, it is ensured that a side is in the application service for oneself exploitation of upgrading, the Spring applications for not influenceing other each side to be developed
Service, so as to improve the efficiency of application service upgrading, and allows each side each to develop the javabean of oneself, and can be real
Shi Shengxiao.Secondly, while Spring application services are upgraded, it is not necessary to stop Spring application servers, can allow and not belong to
Spring application services in the range of this upgrading, being currently running are unaffected, for needing to provide continuous uninterrupted clothes
It is especially suitable for the situation of business.
Embodiment of the present invention additionally provides a kind of computer-readable recording medium, is stored thereon with computer program, institute
The program of stating can be realized when being executed by processor：
The renewal for receiving jar file by application context manager is asked, and judges that described update asks corresponding JAR texts
The context of part whether there is,
If the context of the jar file is not present, notify to update request described in Classloader manager, by the class
Loader manager judges that the Classloader for updating the corresponding jar file of request whether there is,
It is that the jar file creates correspondence by Classloader manager if the Classloader of the jar file is not present
Self defined class loader, and notify the self defined class loader to load the class object in the jar file,
The self defined class loader loads the class object in the jar file, and with currently context class
Loader binds set membership.
In some embodiments, also realized when described program is executed by processor：It is by application context manager
The jar file creates context, so as to by the context created with it is current the Classloader of context bind father
Subrelation.
In some embodiments, also realized when described program is executed by processor：The self defined class loader is set
The Classloader of application context is set to, and refreshes application context, to load the JavaBean in the jar file.
In some embodiments, also realized when described program is executed by processor：Deposited in the context of the jar file
In case, the context of the jar file is unloaded.
In some embodiments, also realized when described program is executed by processor：In the Classloader of the jar file
In the presence of, notify the already present Classloader to close, and discharge the Classloader of the presence.
In some embodiments, also realized when described program is executed by processor：When having using needing to update, receive
The jar file of the renewal of upload, and after jar file service has received jar file, notify the application context manager institute
State the renewal request of jar file.
Through the above description of the embodiments, those skilled in the art can be understood that the present invention can be by
The mode of software combination hardware platform is realized.Understood based on such, technical scheme makes tribute to background technology
That offers can be embodied in the form of software product in whole or in part, and the computer software product can be stored in storage and be situated between
In matter, such as ROM/RAM, magnetic disc, CD, including some instructions are to cause a computer equipment (can be individual calculus
Machine, server, smart mobile phone or network equipment etc.) perform described in some parts of each embodiment of the invention or embodiment
Method.
The term and wording used in description of the invention is just to for example, be not intended to constitute restriction.Ability
Field technique personnel should be appreciated that on the premise of the general principle of disclosed embodiment is not departed from, to above-mentioned embodiment
In each details can carry out various change.Therefore, the scope of the present invention is only determined by claim, in the claims, unless
It is otherwise noted, all terms should be understood by the broadest rational meaning.
Claims (12)
1. a kind of upgrade method of Spring application services, it is characterised in that methods described includes：
The renewal for receiving jar file by application context manager is asked, and judges that described update asks corresponding jar file
Context whether there is,
If the context of the jar file is not present, notifies to update request described in Classloader manager, loaded by the class
Device manager judges that the Classloader for updating the corresponding jar file of request whether there is,
It is that jar file establishment is corresponding certainly by Classloader manager if the Classloader of the jar file is not present
Classloader is defined, and notifies the self defined class loader to load the class object in the jar file,
The self defined class loader loads the class object in the jar file, and with currently the class of context load
Device binds set membership.
2. according to the method described in claim 1, it is characterised in that methods described also includes：
It is jar file establishment context by application context manager, so as to which the context created is existed with current
The Classloader binding set membership of context.
3. method according to claim 2, it is characterised in that methods described also includes：
The self defined class loader is set to the Classloader of application context, and refreshes application context, to load
JavaBean in the jar file.
4. according to the method described in claim 1, it is characterised in that methods described also includes：
If the context of the jar file is present, the context of the jar file is unloaded.
5. according to the method described in claim 1, it is characterised in that methods described also includes：
If the Classloader of the jar file is present, the already present Classloader is notified to close, and discharge the class of the presence
Loader.
6. according to the method described in claim 1, it is characterised in that methods described also includes：
When having using needing to update, call and update the jar file that jar file service receives the renewal uploaded, the renewal JAR
File service has been received after jar file, notifies the renewal of jar file described in the application context manager to ask.
7. a kind of computer-readable recording medium, is stored thereon with computer program, it is characterised in that described program is by processor
Realized during execution：
The renewal for receiving jar file by application context manager is asked, and judges that described update asks corresponding jar file
Context whether there is,
If the context of the jar file is not present, notifies to update request described in Classloader manager, loaded by the class
Device manager judges that the Classloader for updating the corresponding jar file of request whether there is,
It is that jar file establishment is corresponding certainly by Classloader manager if the Classloader of the jar file is not present
Classloader is defined, and notifies the self defined class loader to load the class object in the jar file,
The self defined class loader loads the class object in the jar file, and with currently the class of context load
Device binds set membership.
8. computer-readable recording medium according to claim 7, it is characterised in that when described program is executed by processor
Also realize：It is that the jar file creates context by application context manager, so as to by the context created and currently
Context Classloader bind set membership.
9. computer-readable recording medium according to claim 8, it is characterised in that when described program is executed by processor
Also realize：The self defined class loader is set to the Classloader of application context, and refreshes application context, to add
Carry the JavaBean in the jar file.
10. computer-readable recording medium according to claim 7, it is characterised in that described program is executed by processor
When also realize：In the presence of the context of the jar file, the context of the jar file is unloaded.
11. computer-readable recording medium according to claim 7, it is characterised in that described program is executed by processor
When also realize：In the presence of the Classloader of the jar file, the already present Classloader is notified to close, and release
Put the Classloader of the presence.
12. computer-readable recording medium according to claim 7, it is characterised in that described program is executed by processor
When also realize：
When having using needing to update, the jar file of the renewal uploaded is received, and jar file has been received in jar file service
Afterwards, the renewal of jar file described in the application context manager is notified to ask.
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| CN107808134A (en) * | 2017-10-26 | 2018-03-16 | 广东欧珀移动通信有限公司 | Image processing method, image processing apparatus and electric terminal |
| CN108008985A (en) * | 2017-11-20 | 2018-05-08 | 北京奇虎科技有限公司 | Application program loading method and device |
| CN110210188A (en) * | 2019-06-04 | 2019-09-06 | 武汉神算云信息科技有限责任公司 | Code encryption method, apparatus, equipment and storage medium under Spring frame |
| CN110221820A (en) * | 2019-04-23 | 2019-09-10 | 平安科技（深圳）有限公司 | The general type of spring frame relies on method for implanting, device and computer equipment, storage medium |
| CN112685069A (en) * | 2019-10-20 | 2021-04-20 | 辉达公司 | Real-time updating of machine learning models |
| CN113656057A (en) * | 2021-08-26 | 2021-11-16 | 深圳市天天来玩科技有限公司 | JAVA file updating method, network equipment and storage medium |
| CN113867776A (en) * | 2021-09-01 | 2021-12-31 | 阿里巴巴（中国）有限公司 | Method and device for publishing middle station application, electronic equipment and storage medium |
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