Spring | spring | Object-Relational Mapping library

 by   zhonglinlin1305 Java Version: Current License: No License

kandi X-RAY | Spring Summary

kandi X-RAY | Spring Summary

Spring is a Java library typically used in Utilities, Object-Relational Mapping, Spring Boot, Spring, Hibernate applications. Spring has no vulnerabilities and it has low support. However Spring has 12 bugs and it build file is not available. You can download it from GitHub.

spring mvc,spring,分别与jdbctemplate,hibernate,mybatis全注解整合,其中包括包含有spring动态代理,数据库的事务处理。以及动态数据源的切换!
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            kandi-support Support

              Spring has a low active ecosystem.
              It has 419 star(s) with 299 fork(s). There are 52 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 2 open issues and 1 have been closed. On average issues are closed in 63 days. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of Spring is current.

            kandi-Quality Quality

              Spring has 12 bugs (0 blocker, 3 critical, 9 major, 0 minor) and 275 code smells.

            kandi-Security Security

              Spring has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              Spring code analysis shows 0 unresolved vulnerabilities.
              There are 15 security hotspots that need review.

            kandi-License License

              Spring does not have a standard license declared.
              Check the repository for any license declaration and review the terms closely.
              OutlinedDot
              Without a license, all rights are reserved, and you cannot use the library in your applications.

            kandi-Reuse Reuse

              Spring releases are not available. You will need to build from source code and install.
              Spring has no build file. You will be need to create the build yourself to build the component from source.
              Spring saves you 1724 person hours of effort in developing the same functionality from scratch.
              It has 3818 lines of code, 262 functions and 84 files.
              It has low code complexity. Code complexity directly impacts maintainability of the code.

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            Spring Key Features

            No Key Features are available at this moment for Spring.

            Spring Examples and Code Snippets

            No Code Snippets are available at this moment for Spring.

            Community Discussions

            QUESTION

            SpringBoot batch listener mode vs non-batch listener mode
            Asked 2021-Jun-15 at 20:19

            I am just curious does batch listener mode in Spring Kafka gives better performance than non-batch listener mode? If we are handling exceptions then we still need to process each record in Batch-listener mode. Non-batch seems less error prone, stable and customizable .

            Please share your views on this as I didn't find any good comparison.

            ...

            ANSWER

            Answered 2021-Jun-15 at 20:19

            It completely depends on what your listener is doing with the data.

            If it processes each record in a loop then there is no benefit; you might as well just let the container iterate over the collection and send the listener one record at-a-time.

            Batch mode will improve performance if you are processing the batch as a whole - e.g. a batch insert using JDBC in a single transaction.

            This will often run much faster than storing one record at-a-time (using a new transaction for each record) because it requires fewer round trips to the DB server.

            Source https://stackoverflow.com/questions/67992900

            QUESTION

            Apereo CAS HTML template does not seem to load
            Asked 2021-Jun-15 at 18:37

            So I initialized CAS using cas-initializr with the following command inside the cas folder:

            ...

            ANSWER

            Answered 2021-Jun-15 at 18:37

            Starting with 6.4 RC5 (which is the version you run as of this writing and should provide this in your original post):

            The collection of thymeleaf user interface template pages are no longer found in the context root of the web application resources. Instead, they are organized and grouped into logical folders for each feature category. For example, the pages that deal with login or logout functionality can now be found inside login or logout directories. The page names themselves remain unchecked. You should always cross-check the template locations with the CAS WAR Overlay and use the tooling provided by the build to locate or fetch the templates from the CAS web application context.

            https://apereo.github.io/cas/development/release_notes/RC5.html#thymeleaf-user-interface-pages

            Please read the release notes and adjust your setup.

            All templates are listed here: https://apereo.github.io/cas/development/ux/User-Interface-Customization-Views.html#templates

            Source https://stackoverflow.com/questions/67979701

            QUESTION

            How do I use a Transaction in a Reactive Flow in Spring Integration?
            Asked 2021-Jun-15 at 18:32

            I am querying a database for an item using R2DBC and Spring Integration. I want to extend the transaction boundary a bit to include a handler - if the handler fails I want to roll back the database operation. But I'm having difficulty even establishing transactionality explicitly in my integration flow. The flow is defined as

            ...

            ANSWER

            Answered 2021-Jun-15 at 18:32

            Well, it's indeed not possible that declarative way since we don't have hook for injecting to the reactive type in the middle on that level.

            Try to look into a TransactionalOperator and its usage from the Java DSL's fluxTransform():

            Source https://stackoverflow.com/questions/67991494

            QUESTION

            Spring Boot BatchAcknowledgingMessageListener Splitting Message on Commas
            Asked 2021-Jun-15 at 17:49

            I have a Spring Boot app with a Kafka Listener implementing the BatchAcknowledgingMessageListener interface. When I receive what should be a single message from the topic, it's actually one message for each line in the original message, and I can't cast the message to a ConsumerRecord.

            The code producing the record looks like this:

            ...

            ANSWER

            Answered 2021-Jun-15 at 17:48

            You are missing the listener type configuration so the default conversion service sees you want a list and splits the string by commas.

            Source https://stackoverflow.com/questions/67990755

            QUESTION

            Error handling in SpringBoot kafka in Batch mode
            Asked 2021-Jun-15 at 17:34

            I am trying to figure out is there any way to send failed records in Dead Letter topic in Spring Boot Kafka in Batch mode. I don't want to make the records being sent in duplicate as it's consuming in batch and few are already processed. I saw this link ofspring-kafka consumer batch error handling with spring boot version 2.3.7

            I thought about a use case to stop container and start again without using DLT but again the issue of duplication will come in Batch mode.

            @Garry Russel can you please provide a small code for batch error handling.

            ...

            ANSWER

            Answered 2021-Jun-15 at 17:34

            The RetryingBatchErrorHandler was added in spring-kafka version 2.5 (which comes with Boot 2.3).

            The listener must throw an exception to indicate which record in the batch failed (either the complete record, or the index in the list).

            Offsets for the records before the failed one are committed and the failed record can be retried and/or sent to the dead letter topic.

            See https://docs.spring.io/spring-kafka/docs/current/reference/html/#recovering-batch-eh

            There is a small example there.

            The RetryingBatchErrorHandler was added in 2.3.7, but it sends the entire batch to the dead letter topic, which is typically not what you want (hence we added the RetryingBatchErrorHandler).

            Source https://stackoverflow.com/questions/67990222

            QUESTION

            Spring JPA DTO projection and handling the nested projection with null values
            Asked 2021-Jun-15 at 17:31

            I am using class based projection with constructor expressions. here is a sample code form my work

            ...

            ANSWER

            Answered 2021-Jun-15 at 00:02

            QUESTION

            JSF - Validation error in 1 component, leads all others in the form to fail
            Asked 2021-Jun-15 at 14:11

            Hey to all in the forum

            I use JSF Mojarra implementation, version JSF 2.2

            I need desperately a help on this.

            1. I have a snippet of my page.
            2. I have a custom component "example_result.xhtml" used in the page.
            3. I have my BackingBean.java Be aware please that this code is not the real code I made. If you run it, it will be very ugly maybe because I deleted all the css classes and I kept only the hot stuff I need to show you my problem.

            Everything is inside 1 form.

            The 5 "h:selectManyCheckbox" (in my code I have 8 or 9)

            In the form I have 5 "h:selectManyCheckbox" which are using values in the "value" attribute for different cases (javaFrameworks2Values, javaFrameworks3Values,...), and the "f:selectItems" use arrays of "SelectItem" (javaFrameworksSelectItems2, javaFrameworksSelectItems3...) created for these different cases, just to make some examples for me to understand how all the selectOne and selectMany components work. The ideas for this, about different cases were taken from these links: "https://stackoverflow.com/tags/selectonemenu/info" and "https://mkyong.com/jsf2/jsf-2-checkboxes-example".

            After I have 2 commandButtons

            1 for submit, and 1 for reset the values.

            Display the values

            After I display the results of the values of the "h:selectManyCheckbox" via the "example_result.xhtml".

            You can see the 4th "h:selectManyCheckbox" that is the only one different, because it has the attribute "required" with the attribute "requiredMessage". With it there is a "h:message" to display the validation error.

            In the BackingBean (which is Spring Bean, but it works perfectly good - sorry I don't want ejbs 3.x), I have initialized:

            1. The values of the SelectItems and
            2. The values of the "value" attribute, where the values of the "h:selectManyCheckbox" will be stored to be displayed later. [The code is completely castrated, to make it readable snippet].

            When the page is rendered, I select checkBoxes (e.g. the 2 last, because the 2 first are initials) from all the "h:selectManyCheckbox". When I say that select from all, I mean it. And from the 4th with the "required" attribute. I try in the buttons (see in the code) the "Effort 1", or "Effort 2", or "Effort 3" (in the "f:ajax" in the buttons) and the result outputs in the last part are displayed and updated like a candy. Without any problem. To achive this with the composite component I googled and tried a lot. But I made it.

            Then it comes the time to try the 4th to see the validation error of the "required" attribute.

            I select again from all as before, but not from all. NOT from the 4th "h:selectManyCheckbox" this time. I select nothing from the 4th "h:selectManyCheckbox" to ckeck the validator error message ("requiredMessage"). The result is: It displays the message of error (GOOD until now), BUT this time it does not update anything from the others "h:selectManyCheckbox" to the output results at the end, and it does not reset the values as well as it was doing before (when I selected from all and from the 4th as well).

            I understand that it says: as long as in the form the 4th failed with validation error, all the other "h:selectManyCheckbox" will not update the output results (something like wanting to fail all the others too).

            But what really happes here?

            1. It does not give the values to the "h:selectManyCheckbox", to be updated to the output?
            2. It gives the vales to the "h:selectManyCheckbox" normally, BUT it just not updates the output?

            The other efforts in the "f:ajax" in the buttons, are just efforts maybe to solve the problem but in these cases they don't even display the error message in the 4th case and of cource they don't update the other output results as well (again). But no message error as well.

            I don't know if the problem is clear to you. I can explain in the discussion better so I can clarify the situation better. [To be honnet it took me 1 and half hour to write all this thing]

            Thanks a lot in advance

            ========== Snippet from my page ==========

            ...

            ANSWER

            Answered 2021-Jun-15 at 14:11

            After a lot of discussing with the only person who wanted to help to my issue here (and I thank him @WoAiNii for this a lot), I decided to post my solution:

            I will make 5 different forms with 5 set of buttons (submit/reset), to make escalate this problem, for 5 so much related components in the form.

            But my question is open: Why this is happening, what rule in JSF in this case is taking place and makes this situation. Anyone, comes with an explanation:

            • Thomas: this is a rule in JSF, or
            • is a JSF bug, or
            • this happens in these cases, or... whatever...,

            I will be glad to read it here so I will learn better, and others to will learn from these ideas of yours. Thanks a lot

            Source https://stackoverflow.com/questions/67750994

            QUESTION

            JOOQ Code Generation via JPADatabase problem with custom composite user type
            Asked 2021-Jun-15 at 13:38

            I am trying to use JOOQ code generation from JPA Entity. I have already created a dedicated maven module where the code will be generated which has dependency on a module containing all entities as well code generation plugin with of jooq.

            To add more clarify on project structure, here are the modules:(The names are made up but the structure reflects the current project i am working on)

            ...

            ANSWER

            Answered 2021-Jun-02 at 07:53
            Regarding the error

            I'm assuming you have missing dependencies on your code generation class path. Once you update your question, I'll update my answer.

            Regarding jOOQ code generation support for @TypeDef etc.

            jOOQ won't support your generated composite types in generated code out of the box, you'll still have to add forced type configurations for that, possibly embeddable type configurations:

            Note that the JPADatabase offers a quick win by integrating with simple JPA defined schemas very quickly. It has its caveats. For best results, I recommend going DDL first (and generate both jOOQ code and JPA model from that), because it will be much easier to put your schema change management under version control, e.g. via Flyway or Liquibase.

            Source https://stackoverflow.com/questions/67784647

            QUESTION

            Picture changing when it shouldn't
            Asked 2021-Jun-15 at 11:53

            I am trying to build a cinema app with flutter. The structure is as follows:

            • in each city there are a bunch of cinemas
            • in a cinema there are a bunch of showrooms(salle in french)
            • in a showroom(salle in french) there are five display sessions or projections, these projections are of the same film.

            because the projections are of the same movie (a showroom displays the same movie in different time(e.g projections) by design), when I click on any of the projections in a showroom I should have the same posture of the same film, not a different posture in each projection.

            However I get a different film posture in each projection, and I don't know what is causing this.

            I am using a rest api that I created with Spring, and I am certain that the problem is not from my back-end because I am using it in an angular web app and it's working perfectly.

            This is a layout of my application

            this is what happened when I click on two projection of the same showroom( notice that the posture changes when it shouldn't.

            and here is the code of the showroom page (salles-page.dart)

            ...

            ANSWER

            Answered 2021-Jun-15 at 11:53

            Problem related to back-end and have nothing to do with Flutter.

            Source https://stackoverflow.com/questions/67953351

            QUESTION

            run on all object's parameters java
            Asked 2021-Jun-15 at 11:36

            I've an model:

            User(id, firstName, lastName);

            I get the user from POST request in Java Spring boot framework using @ModelAttribute Annotation in the prototype.

            ...

            ANSWER

            Answered 2021-Jun-15 at 11:36

            When you use the Spring Framework, there is a serialization/deserialization happening "behind the scenes" which involves your POJOs.

            For example, into this endpoint:

            Source https://stackoverflow.com/questions/67983156

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