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Java Spring MVC Single Page App with Upida/Jeneva (Frontend/AngularJS)

by vladimir husnullin

Web development using JSON is simple

Validating Incoming JSON using Upida/Jeneva

by vladimir husnullin

Web development using JSON is simple

Using JdbcTemplate in a Spring Boot Web Application

by Han Bo Sun

In this tutorial, I will introduce the use of Spring JdbcTemplate in a Spring Boot web application. This tutorial will show how to create the necessary configuration for JdbcTemplate. And how it can be used for data insertion and retrieval.

Tidy Spring - Starting a Project

by Grzegorz @ tidyjava.com

List of practices to work effectively on Spring applications. This part focuses on starting a new Spring project.

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An In-Depth Tutorial on Lucene and Java

by Han Bo Sun

This is a more in-depth tutorial on integrating Lucene search and index engine in Java applications.

Integrating File Upload in an Angular Application

by Han Bo Sun

In this tutorial, I will discuss how to add file upload functionality to an Angular web application.

Loading Data in Batches for AngularJS and UI-Grid Display

by Han Bo Sun

Loading data in batches and displaying using UI-Grid in an AngularJS based app

How to Configure CORS for Angular and Spring Boot

by Han Bo Sun

This tutorial will discuss how to configure CORS for Spring Boot web application.

All Articles

Spring

API gateway error - calling [asyncpostprocess()] is not valid for a request with async state [ERROR]

7 Apr 2024 by Office Systems

'm getting this error java.lang.IllegalStateException: Calling [asyncPostProcess()] is not valid for a request with Async state [ERROR] in an API gateway when I'm executing order-service which uploads more than 700,000 records fetched from an API...

Partial data insertion in postgresql database using spring boot service

21 Mar 2024 by Andre Oosthuizen

Your issue is in the way you are invoking the async 'process_data' method in the 'OrderProcessingService' class. The method is being executed in a separate thread, however, the problem is that your 'process_data' method is not returning anything,...

Can't get springmvc to create table in mysql database

21 Mar 2024 by UT7

I've resolved this issue, start.spring.io created a package for the main class where the SpringApplication.run method is and I created my other packages on the same level as the package where the main class was instead of creating them directly...

Partial data insertion in postgresql database using spring boot service

21 Mar 2024 by Office Systems

I'm inserting large volume of data into PostgreSQL database using spring boot approximate about 1 million records, these data comes in batches during API calls and I'm saving each batch as the whole in database but the only challenge facing right...

How to copy list and import as it is in postgresql database in fraction of a second

19 Mar 2024 by Pete O'Hanlon

Without knowing where you were sourcing your data, this is an almost impossible question to answer. There are a few things that do occur from looking at this. You are adding a random UUID but that could easily be auto-generated by the database....

How to copy list and import as it is in postgresql database in fraction of a second

19 Mar 2024 by OriginalGriff

Nobody can guarantee you "a fraction of a second" to add a million rows to a DB, PostgreSQL or not - it will depend on far too many factors: the computer(s) that the DB engine is running on, the activity level on the DB, the connection between...

How to copy list and import as it is in postgresql database in fraction of a second

18 Mar 2024 by Office Systems

I'm having an array list which has more than 1 million of records in it, I want to dump it as the way it is in PostgreSQL database using something built in methods like Copy-manger or any method which will be more faster to import this large...

How do I uninstall m2e-wtp-maven integration for WTP from eclisple IDE

18 Mar 2024 by Tyler Bakeman

In Eclipse Marketplace (which you can access through the Help button in Eclipse), it shows your plugins (some of them, not all of them), such as M2E. When I switched M2E, to an alternate in Eclipse, it gave me the option to “change”/“disable”...

How to start other services from one service in microservices using spring boot

14 Mar 2024 by Pete O'Hanlon

Assuming that these are separately deployed services, I wouldn't attempt to start them from a central location. What I do is deploy my services in separate containers (Kubernetes on my part, but you could use Docker), and use orchestration to...

How to start other services from one service in microservices using spring boot

14 Mar 2024 by Office Systems

I'm having different micro-services such as configuration service, service registry, order service, customer service, payment service, front-end service, these services they fetch their configurations from config server and they are all connected...

How can I loop and compare the data present between two arrays in spring boot

10 Mar 2024 by Pete O'Hanlon

As I don't know what Order looks like, I'm going to make some assumptions in this answer. The big assumption I'm going to make is that you have an Integer id value in the class, which I can get using getId();. I'm also going to assume that the...

How can I loop and compare the data present between two arrays in spring boot

10 Mar 2024 by Office Systems

I have two arrays which both have data, what I want to do is to loop through each array and compare the data between the arrays one array is coming from the Post Method and another array has data from the database, so the comparison has to be...

An In-Depth Tutorial on Lucene and Java

8 Mar 2024 by Han Bo Sun

This is a more in-depth tutorial on integrating Lucene search and index engine in Java applications.

Can't get springmvc to create table in mysql database

27 Feb 2024 by UT7

Hello everyone, please I can't get SpringMVC project to create a table in MySql database. My entity class is below. @Entity @Table(name="customer") @Data @NoArgsConstructor public class Customer { @Id @GeneratedValue(strategy =...

How to use hystrix dependency with spring boot version 3.2.2

27 Feb 2024 by Office Systems

I have created a spring boot application of version 3.2.2 which is going to act as a gateway service, the challenge I'm facing at the moment is that whenever I try to add hystrix dependencies for monitoring and for dashboard visualization of up...

Spring cloud config client unable to load configurations from spring cloud config server in spring boot

19 Jan 2024 by Office Systems

I have created Spring cloud config server to include all configurations of spring cloud config clients for my application, the problem is that my spring cloud config clients can not obtain the configurations from the spring cloud config server...

Deployed angular and spring boot projects on azure not working as expected

18 Jan 2024 by Pete O'Hanlon

The problem isn't in your code, rather the problem is with your deployment. You have stated that you deployed your application to Azure, and this brings its own set of expectations. Basically, the CORS request is being blocked by Azure, not by...

Implementing data upload and read microservices project

17 Jan 2024 by Office Systems

I'm new to Micro-services architecture, I'm to develop a project using spring boot that gets data from API and stores that data into PostgreSQL db then computes and gets the sum of the data uploaded and sends that data into another database...

Spring-cloud-client not able to get configurations from config-server

2 Jan 2024 by Office Systems

I'm trying to create Micro-services architecture using spring boot, the only challenge I'm facing at the moment is how to configure spring cloud client to pull all the configurations from the config server, the config server gets all the...

How do I uninstall m2e-wtp-maven integration for WTP from eclisple IDE

21 Nov 2023 by UT7

Hello everyone, please I was trying to create a Spring boot project from eclipse IDE and I got this error - 'Import Getting Started Content' has encounter a problem. NoSuchMethodError: 'void ...

How to track changes made in data tables between two access database files

27 Oct 2023 by Office Systems

I'm fetching data from Microsoft access database file into PostgreSQL Database, then later some changes are added into Microsoft access database file and then re-uploaded into PostgreSQL Database as the latest dataset file with changes, now the...

Different order and results each time when using namedparameterjdbctemplate for query includes JOIN, LIMIT and OFFSET

27 Oct 2023 by Kanchana Gallage

I am doing implementation for this type of SELECT query in a Spring boot application using named parameter jdbc template. Database used is postgres. SELECT lp.*, gp.NAME, gp.description, FROM global_products gp...

Different order and results each time when using namedparameterjdbctemplate for query includes JOIN, LIMIT and OFFSET

27 Oct 2023 by Richard Deeming

Quote: Adding ORDER BY clause gives the similar order and data every time but I do not need that for the requirement. Except you do need that. If you don't specify an explicit order for the results, then the order is undefined. The DBMS is...

How to track changes made in data tables between two access database files

26 Oct 2023 by Gerry Schmitz

Add a "timestamp" to the Access records; and use a new timestamp when you update and insert. You can't "delete" initially; you'll need to add a "delete" flag (and timestamp) so you can export "deleted" records; and purge / archive them later. You...

How to solve this error: got bug: circular view path [dmno]: would dispatch back to the current handler URL [/dmno] again. Check your viewresolver setup in spring boot

23 Aug 2023 by Quang Le 2023

@Controller public class tdlController { @Autowired TdlService tdlService; @GetMapping(value = "dmno") public String homepage(Model model) throws RuntimeException { // model.addAttribute("list",tdlService.findAll()); ...

How to solve this error: got bug: circular view path [dmno]: would dispatch back to the current handler URL [/dmno] again. Check your viewresolver setup in spring boot

23 Aug 2023 by Andre Oosthuizen

The error relates to your view resolver configuration that is causing a loop in dispatching requests. Without seeing the complete configuration of your Spring Boot application and the context in which this controller is being used, it's a bit...

I got error in save() method in spring-boot

19 Aug 2023 by jaikrishna310

I am trying to make a project in spring-boot! But in the controller, I am getting an error in the save() method as follows: The method save(S) in the type CrudRepository is not applicable for the arguments...

I got error in save() method in spring-boot

17 Aug 2023 by Muhammad Anas 2023

The issue is with spring-data-jpa version, try changing to another version in pom.xml(if its maven) or you may use the below mentioned version if it works for your spring boot project version: ...

Integrating File Upload in an Angular Application

15 Aug 2023 by Han Bo Sun

In this tutorial, I will discuss how to add file upload functionality to an Angular web application.

Check date between two other dates spring data jpa

14 Jul 2023 by Thang Đai

I am writing a search function from date to date. But when I click search it doesn't return any results and it doesn't give me any error. file handover.html

Check date between two other dates spring data jpa

14 Jul 2023 by Andre Oosthuizen

There are a few issues you can check that might cause a no return on your date request. I have added comments in your code where you can check. I have also added the 'System.out.println' to debug all returned parameters in your controller, check...

How to develop cron scheduler jobs in a multi-tenant application

6 Jul 2023 by Rakesh subudhi 2023

I am building a Multi-Tenant web application using Java . I have around 10-15 different background jobs that need scheduling for each tenant.I faced multiple challenges like. 1.How to develop each tenant run on cron jobs and equally distributed?...

Fetching large volume of data from postgres db using spring boot rest api

4 Jul 2023 by Office Systems

I'm trying to fetch data using Spring Boot for my REST API from PostgreSQL Database, I have more than 30 million records in my database, the API takes a lot of time to pull data from the database and sometimes it results on time out error when...

Fetching large volume of data from postgres db using spring boot rest api

4 Jul 2023 by Richard Deeming

Quote: I just want to count the results I can't return such data to the user there is no means I can count these values depending on these conditions provided Your code is loading all 4 million matching records into a list, simply to return...

How do I resolve if a ribbon client-side load balancing is down?

19 Jun 2023 by Natanael Fredrick

Based on my understanding of load-balancing, requests are forwarded to multiple instances of a service so that if one service is down, it will be redirected to one that is available. I have created a microservice that implements load-balancing...

Using interface from another plugin (maven dependency) throws noclassdeffounderror (confluence plugin)

15 Jun 2023 by Member 13992703

I'm currently struggling with the following issue: I need to use an interface in my plugin (PLUGIN A) that comes from another plugin (PLUGIN B). I'm also the developer on PLUGIN B so I can make code changes (if needed). What I've done so far: ...

Solve this problem angular java database

5 Jun 2023 by Zijad Bećirević

Its my first time using angular and java. So Im learning from tasks. I already made a call from frontend to backend to retrieve a count number (sends number from frontend, searches the database and return the output from the query). Now I have a...

Deployed angular and spring boot projects on azure not working as expected

18 May 2023 by Office Systems

I have deployed angular project in it's own app service and also deployed spring boot in its own app service the two applications works fine locally but the problem comes on production I get this error "Cross-Origin Request Blocked: The Same...

How to get values which do not exist in databse by comparing with the list values in spring boot

7 May 2023 by Office Systems

I am having a spring boot application which reads values from the Microsoft access file and then checks if the value exists in the database then gets updated or else inserted as the new record however I'm only getting these values present in the...

Deleting large volume of data at once in spring boot in fraction of a second

26 Apr 2023 by Office Systems

How can I delete large amount of data more than 10 million records in fraction of a second in spring boot project, the code I'm having right now takes more than 1 minute and 30s to delete these records. Below is the code I'm using to delete these...

How to upload file direct to folder in a server without loading it to memory in spring boot

19 Apr 2023 by Office Systems

I want to upload large file more than 2gb to a particular folder in spring boot, the challenge I'm facing is that, after file upload from client application (Angular Application/ Postman) it takes more than 50seconds to hit the controller, after...

Error creating bean with name scopedtarget.patientreader defined in class path resource

30 Mar 2023 by Office Systems

'm Creating a spring batch project and I have tried to create all the key components required for the spring batch to run but I'm getting the exception 'Error creating bean with name 'scopedTarget.patientReader' defined in class path resource'...

How to read mdb file results using item reader in spring batch

29 Mar 2023 by Office Systems

I want to read mdb file using spring batch Item Reader, I have managed to read the mdb file and the results I can see them in console but I'm not able to map this results into the reader object. Below is my sample code. What I have tried: ...

How to solve in spring boot, the dependencies of some of the beans in the application context form a cycle?

27 Mar 2023 by Cris29M

How can I fix: The dependencies of some of the beans in the application context form a cycle: registrationController defined in file...

How to optimize execution time in lookupoperation spring boot

21 Mar 2023 by Office Systems

I'm having a spring boot project which looks for more than 50.0M documents in MongoDB when fetching from a single table everything works fine however the problem I'm experiencing is when joining two tables in order to check for customer status in...

How to optimize execution time in lookupoperation spring boot

21 Mar 2023 by Dave Kreskowiak

It takes forever because you're looking for a couple of strings, "Disabled" and "Opted Out", probably without any indexing on the field. This is probably the worst way to get the status in terms of performance. If you were looking for integer...

How to compare month in spring mongo criteria of a column attribute

13 Mar 2023 by Office Systems

How can I compare month in spring mongo criteria with a hard corded value, month in criteria is in a spring format and the value is present in an integer format. This is what i have so far i just want to check for that month and group employee...

How to compare month in spring mongo criteria of a column attribute

13 Mar 2023 by Dave Kreskowiak

Think about your query. What does ".is(2)" mean? Is it the month number? The day of the month? How about the yes? Maybe the hour, minutes, or seconds? How is your code telling the database that the 2 is a month? Hint: It's not.

Loading Data in Batches for AngularJS and UI-Grid Display

14 Feb 2023 by Han Bo Sun

Loading data in batches and displaying using UI-Grid in an AngularJS based app

How to enable batch inserts in spring boot with mongo database

10 Feb 2023 by Office Systems

I'm having a spring boot application connected with Mongo DB now I want to enable spring batch how can I manage this withi spring data Mongo What I saw with Spring data JPA spring.jpa.properties.hibernate.generate_statistics=true...

Spring mongo criteria querying data which are present and not present in database

16 Jan 2023 by Andre Oosthuizen

You are adding a new client twice, at the start of your code and then again within another if else statement. I am not familiar with the code used ?-Java/MongoDb -? but the basics is the same How it works - 1. Search data table for client with...

Spring mongo criteria querying data which are present and not present in database

16 Jan 2023 by Office Systems

I want to query all data which are present in my database by comparing with while loop data and if this data is available I want to update it and if not I want to insert it as a new record into the database. The problem is I'm only getting data...

Completely switch off micrometer during integration tests in my spring boot application

28 Dec 2022 by Member 10514913

I am seeing a lot of annoying errors when I run spring boot tests java.net.UnknownHostException: telegraf.system at java.base/sun.nio.ch.NioSocketImpl.connect(NioSocketImpl.java:567) at...

Integration-Testing

How to master java framework

16 Dec 2022 by paul webo

I am a junior java developer and would really want to know more about java What I have tried: Spring boot, spring Jpa, MySQL

How to master java framework

16 Dec 2022 by Richard MacCutchan

This is still the best set of tutorials: Java Tutorials Learning Paths[^].

I am facing the below error in my spring batch application

6 Dec 2022 by nagarhemant

Exception in thread "main" java.lang.AbstractMethodError: Receiver class ch.qos.logback.classic.util.DefaultJoranConfigurator does not define or inherit an implementation of the resolved method 'abstract void...

How to Configure CORS for Angular and Spring Boot

21 Oct 2022 by Han Bo Sun

This tutorial will discuss how to configure CORS for Spring Boot web application.

Spring batch stepscope

12 Oct 2022 by Arli Chokoev (Choke)

I need to store some state, I receive in the processor, for each of the StepExecutions separately. For this purpose I created a step-scoped bean, which I try to inject: @Slf4j @Configuration @EnableScheduling @EnableBatchProcessing...

What are all possible ways to add liveness and readiness to a spring application?

3 Oct 2022 by viharika_

What are all possible ways to add health checks like liveness, readiness to a spring non-restful application without spring boot. Application manages AMQ, and health check includes checking AMQ health and run on kubernetes. What I have tried: ...

Unknown column 'vms_contact_email' in 'field list'

21 Sep 2022 by Auto Samachar

I have vmscontactemail field in the database and models, when I debug the code it shows the above error when I execute that line at managerdetailsrepository.save What I have tried: DAO @Modifying @Transactional @Query("UPDATE...

How do I get name of image clicked or store it on button click submit

8 Sep 2022 by Juniorfstack

0 I'm a junior dev and my current project is in spring but unlike JavaScript I cant access the dom.How would I add something to a image so when I click it I can save its name or when I click a submit button that it will be saved. I have been...

Could not locate appropriate constructor on class

1 Sep 2022 by Auto Samachar

Could not locate appropriate constructor on class : com.recruit.api.model.JobRecruiter; nested exception is java.lang.IllegalArgumentException: Could not locate appropriate constructor on class : com.recruit.api.model.JobRecruiter/500 I added...

Could not locate appropriate constructor on class

1 Sep 2022 by Richard MacCutchan

Your constructor is: public JobRecruiter(int id, String jobTitle, String recruiterName) So any code that instantiates a JobRecruiter object must pass three parameters. The only lines I can find where it makes such a call are JobRecruiter...

Build a Java Microservice with AuraDB Free

7 Jul 2022 by Jennifer Reif

In this article we build a Java microservice that connects to, and interacts with, graph data in a Neo4j AuraDB Free database.

product-showcase

Spring boot fetch user role from DB using LDAP login

29 May 2022 by eboi mela

I could login via LDAP but I cant fetch user role which is stored in my Database. I do get the following error: org.springframework.security.ldap.userdetails.LdapUserDetailsImpl cannot be cast to com.test.rnd.geo.web.dto.CustomUser What I have...

Unable to start netty in spring boot 2.5.13

10 May 2022 by Zhang Michael

I have a spring boot application based on reactor but it can't be launched on Window 10 although it works fine on Linux. It failed to start Netty. This application uses spring boot 2.5.13 now. This issue doesn't exist for the old spring boot 2.3....

Org.springframework.dao.dataintegrityviolationexception: could not execute statement; SQL [n/a]; constraint [null]

11 Apr 2022 by UT7

Hello everyone, I got this error org.springframework.dao.DataIntegrityViolationException: could not execute statement; SQL [n/a]; constraint [null] while I was trying to develop a CRUD Restful API Application using Spring Boot, Angular and...

LDAP authentication using spring boot

4 Apr 2022 by Member 14101913

Input such as username: user.name@domain.com password: blablabla #LDAP Properties prefix.ldapIsEnabled=true prefix.ldap_server_url=ldap://10.0.20.20:389 prefix.ldap_domain_name=domain.com prefix.ldap_security_authentication= simple...

LDAP authentication using spring boot

4 Apr 2022 by Member 15435322

I want to do LDAP authentication using Spring Boot, but I can't. I just want to check the person who wrote his username and password on our ldap server when he wants to log in. If we have such a user on our ldap server, I want it to rotate...

Org.springframework.beans.notreadablepropertyexception: invalid property

25 Mar 2022 by UT7

Hello everyone, I have org.springframework.beans.NotReadablePropertyException: Invalid property 'expensename' of bean class [java.lang.String]: while working on a Spring boot app. The error occurred after I created a spring form and used the...

ERROR" dispatch for POST "/error", parameters={multipart}

6 Mar 2022 by Member 15471521

I have a profile page and an update page. First time I hit update I get the error messages, second time I hit update with all fields populated I get this error: Completed 405 METHOD_NOT_ALLOWED "ERROR" dispatch for POST "/error",...

Cannot delete or update a parent row: a foreign key constraint fails spring JPA

4 Mar 2022 by Member 15471521

I get this error when I try to execute this query DELETE FROM bookings as b WHERE b.check_out = CURRENT_DATE; Cannot delete or update a parent row: a foreign key constraint fails (online_booking_app.booked_rooms, CONSTRAINT...

What are the most used component library with spring MVC and struts

2 Mar 2022 by Dev Learning

I would like to develop an web application with Spring Mvc, hibernate and Mysql. I know there are many Component libraries that facilitate the development of web applications like Primeng for Angular, Telerik and Infragistics for Asp.Net MVC. ...

Moveable Popup Modal Using AngularJS and ui-bootstrap

15 Feb 2022 by Han Bo Sun

Tutorial to discuss the design of a moveable popup modal using AngularJS and ui-bootstrap

Spring Boot *.hbm.xml mapping files not loaded in test

9 Feb 2022 by Member 12106197

The problem is hard to explain, so please have a look at the project: https://github.com/darzz/boot_bug This is the minimal setup, that reproduces the bug.Description: The application stack is Spring Boot with Spring Data and Spring Batch. There is testNamedQuery.hbm.xml file under...

Spring Boot *.hbm.xml mapping files not loaded in test

9 Feb 2022 by Member 15529625

If you use maven, perhaps you could add a copy-resources plugin to copy the hbm files to the test-classes folder. maven-resources-plugin 3.2.0 ...

Redis server is not getting refreshed

21 Jan 2022 by Dwaipayan Goswami

I'm using Redis in my Spring Boot REST application to store cache. But the problem I'm facing is once it is stored in Redis my API only hits the Redis, not the database. I've added a time out property, but it didn't work. I've tried CacheManager...

Is there a @transactional for REST?

22 Dec 2021 by Minh To Quang

So I have two microservices, one that has a database and one that make RPC calls to the one that has the database. The one that makes the RPC calls (I called it gui-microservice) has two services, BookService and LoanService. These two services...

Using JWT Token in AngularJS Application

21 Dec 2021 by Han Bo Sun

How to use JWT Token with Spring Security for user authentication and authorization

Can I store a date in h2 database using long data type for date field in entity object?

21 Dec 2021 by Alex Darius

I am new to spring boot, working on a project, and recently an experienced developer just told me that when creating an entity table, that has a field that should deal with dates the best approach is to use long, something like this: private...

Can I store a date in h2 database using long data type for date field in entity object?

21 Dec 2021 by Richard MacCutchan

It is usually best to use the proper Date or DateTime type. Check the documentation for the h2 database at Data Types[^]. But if the experienced guy insists that you use a long type then ask him to explain why.

How to print out field which what I want

9 Dec 2021 by Member 15435322

Hi all, suppose I have a json like this , when I am send request to the server, where I am using RestTemplate generate to do this. When I send success request I am getting sucess response like this. { "code": 0, "message": "Successfully...

Hibernate, spring boot data JPA, relationships

7 Dec 2021 by Afzaal Ahmad Zeeshan

Quote: create relationships between entities in a project that is being written from scratch, or specify what relationships to have between them? That's the best part about an ORM. You don't need to think about it yourself (apart from some index,...

Hibernate, spring boot data JPA, relationships

7 Dec 2021 by Member 15435322

I was wondering, what is the best way to create relationships between entities in a project that is being written from scratch, or specify what relationships to have between them? For example, as we can directly understand the relationship...

How can I design my return response names as I want in restful APİ?

6 Dec 2021 by Member 15435322

Suppose I am returning data like this in rest api: { name:"Ronald", age:25, salary:1500 } But what should I use to design variable names as I want? For example: { Name: "Ronald", Age:25, Salary:1500 } How can I design that only variable...

How can I design my return response names as I want in restful APİ?

6 Dec 2021 by Gerry Schmitz

Quote: The schema helps in a multiple way. It acts as a contract between two teams, serves as a specification, simple to read and easy to follow and you can use it for validation once your APIs are ready. JSON Schema - as a specification,...

How do I define request/response body transform filters for each route in spring cloud API gateway

7 Nov 2021 by Brian Antao

I am in the process of developing a Spring Cloud based API Gateway. This Gateway acts like a proxy that filters multiple JSON API requests/responses The gateway has multiple routes that are defined for each JSON API. I have found a way to define...

How to send an multiple value with post request using spring boot webclient?

27 Oct 2021 by User 15041314

As you can see, in my service layer this method send post request like client to the server using Spring Boot WebClient framework, but I have getting a problem, which as you can see my method accept 4 params, which you see and I want to send...

Sending messages to phone numbers

24 Oct 2021 by User 15041314

Hi all, Right now I am working int this project, so I made a project like this, when the bank worker upload the file with xlsx extension to our bank's site, all the values (phone number, message) in the excel file are placed in the database. When...

Sending messages to phone numbers

24 Oct 2021 by OriginalGriff

Start here: sending sms java - Google Search[^]

How can I avoid null using lambda in this case?

20 Oct 2021 by User 15041314

{ "message": "The operation was successful.", "code": 200, "fileDetailResponseDtos": [ { "phoneNumber": "550000000", "textMessage": "Message1", "createDateTime": "2021-10-20T15:45:27.277", "sender": "Anar", ...

Cross-Solution Microsoft Identity for Java Developers Part 3: Using MSAL to Access Azure APIs

20 Oct 2021 by Matthew Casperson

In this article, Using MSAL to Access Azure APIs, we use the OBO OAuth flow to call a service in Azure. Then, we’ll communicate the results back to the frontend application via a shared database.

Cross-Solution Microsoft Identity for Java Developers Part 1: Adding Authentication to a Spring Cloud Java Application Using Microsoft Authentication Library

18 Oct 2021 by Matthew Casperson

In this article we’ll explore integrating Azure AD and MSAL with a Spring Boot web application.

Oracle.jdbc.oracledatabaseexception: ORA-01400: cannot insert NULL into

14 Oct 2021 by User 15041314

This is my Entity class, which when I run project automatically mapping oracle database. import lombok.Data; import org.springframework.data.annotation.CreatedDate; import javax.persistence.*; import java.time.LocalDateTime; @Data @Entity...

How to make a UUID into a pointer variable in java?

5 Oct 2021 by Devin Clark 2021

So let's say you have a UUID in an .xml file in your program and you're writing a java program in a, well, java file. They're both in the same folder so they are in the "same house just different rooms" if you understand what I mean. What steps...

How to make a UUID into a pointer variable in java?

5 Oct 2021 by OriginalGriff

You have to open the XML file, read the content, find the node(s) you are interested in, and assign them fo java variables. We really can't be any more specific, because XML is a hierarchical structured file format (i.e. the data inside resembles...

How to enable annotation base config using with annotation?

5 Sep 2021 by User 15041314

Hi there, When I using xml configuration I must write xml configuration, which can use annotation base configuration, but I don't want to using this style, I want to use with annotation. is it possible? What I have...

Trying to verify a method call from abstract class on a mocked service but I get a npe

4 Sep 2021 by Freeex

I stuck since a couple of hours on a test method. I tried to reproduce a similar example. I have a service who extend a abstract service with an utility method like this: public class MyService extends MyAbstractService { @Autowired...

Foregine key is not updating in spring boot.

29 Aug 2021 by SHYKAT ROY

Basically, I am trying to establish a relationship between my two tables using spring boots. And the relationship which I had used was the @onetoone and @onetomany relationship. But after building the relationship and creating the table in MySQL...