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SPRING-BOOT QUESTIONS

Spring Boot - java.lang.IllegalStateException: ApplicationEventMulticaster not initialized
Spring Boot - java.lang.IllegalStateException: ApplicationEventMulticaster not initialized
To fix this issue After some playing around... and checking other Spring boot setups, I adjusted my ApplicationRunner as follows, and it seems to run without error now. I'm still looking into what the difference is between these approaches and why th
TAG : spring-boot
Date : January 12 2021, 08:33 AM , By : PeteFilicetti
How to use Testcontainers Cassandra with Spring Data for Apache Cassandra?
How to use Testcontainers Cassandra with Spring Data for Apache Cassandra?
help you fix your problem I develop integration tests for my spring boot application, which works with Cassandra. I use CassandraTemplate for communication with Cassandra. , It seems, that I can run tests with such class:
TAG : spring-boot
Date : January 11 2021, 03:26 PM , By : kameel
Spring Boot trouble with external resource
Spring Boot trouble with external resource
will be helpful for those in need Problem is solved. The registering of resources like in the question is correct. It wasn't work because i had trouble with my WebSecurityConfiguration that did noct accept the matcher of the resource.
TAG : spring-boot
Date : January 09 2021, 02:14 PM , By : Marcos de Carvalho
JPA that insert, update and delete at the same time
JPA that insert, update and delete at the same time
I wish did fix the issue. I ended up using save for insert and update and handled the deletion management manually then called delete method to delete unwanted records
TAG : spring-boot
Date : January 09 2021, 05:38 AM , By : 66.
Different retry strategies for different consumers in Kafka
Different retry strategies for different consumers in Kafka
it fixes the issue We are dealing with a scenario where we need different retry strategies for different consumers in same application. , This works fine for me...
TAG : spring-boot
Date : January 08 2021, 10:52 AM , By : baylisscg
How to pass Query Variables
How to pass Query Variables
I wish this helpful for you I am using spring boot graphQL application. My Query looks like below , I can able to resolve this with below query payload.
TAG : spring-boot
Date : January 08 2021, 03:18 AM , By : richardD
SpringBoot fails to start due to jsse.alias_no_key_entry using JKS with GoDaddy signed certificate
SpringBoot fails to start due to jsse.alias_no_key_entry using JKS with GoDaddy signed certificate
I think the issue was by ths following , There seem to be (at least) a couple reasons that this can occur: The keystore contains a cert but not a private key ... or at least not the right key. See How to resolve : java.io.IOException: jsse.alias_no_k
TAG : spring-boot
Date : January 05 2021, 11:29 AM , By : Matt Watson
How to set default locale for Vaadin Flow (13/14) to German
How to set default locale for Vaadin Flow (13/14) to German
this one helps. the magic is done with the I18NProvider. You should implement this interface and activate it. In a component get the translations with getTranslation(..). For detailed examples read the i18n tutorial : https://vaadin.com/tutorials/i18
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : Lord Zantor
Problems using Springboot autoconfiguration to connect to SQL-Server in a FUSE EAP environment
Problems using Springboot autoconfiguration to connect to SQL-Server in a FUSE EAP environment
around this issue There is no support for Spring Boot with Fuse EAP and the Camel subsystem. Hence why you do not see any org.springframework.boot dependencies in the Fuse module layer.If you are going to deploy Camel Spring Boot applications into EA
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : user186876
Event Driven Architecture on Multi-instance services
Event Driven Architecture on Multi-instance services
help you fix your problem I think it depends on how you work with Rabbit MQ.You can configure the rabbit mq with one queue for these events and make spring boot applications that represent the sending servers to be "Competing" Consumers.
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : abuiles
@SpringBootTest vs @ContextConfiguration vs @Import in Spring Boot Unit Test
@SpringBootTest vs @ContextConfiguration vs @Import in Spring Boot Unit Test
I wish did fix the issue. I think all 3 presented options are bad if your intent is to run a proper unit test. A unit test must be blazing fast, you should be able to run hundreds of those in a second or so (depending on the hardware of course, but y
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : Kubla Khan
how destroy jwt token from spring boot backend
how destroy jwt token from spring boot backend
this one helps. Technically, as your application is stateless, your Spring Boot app won't know when your client logout cause it never keep track of all the tokens it has issued/generated. (That's why it's called stateless :D) The best practice here i
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : baumichel
How to get specific headers (spring-boot application) and pass to controller?
How to get specific headers (spring-boot application) and pass to controller?
it helps some times , First you need below dependency,
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : Lee KW
How can I use Spring Data ElasticSearch?
How can I use Spring Data ElasticSearch?
it helps some times Unfortunately, spring data elasticsearch does not support version 7.1.0 yet. See versions section in this link:https://github.com/spring-projects/spring-data-elasticsearch
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : Lathentar
How to schedule @RabbitListener
How to schedule @RabbitListener
Any of those help I see a few optionsKeep your application started just when consumption is required
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : Gerhard Miller
SpringBoot could not access ElasticSearch on kubernetes
SpringBoot could not access ElasticSearch on kubernetes
wish helps you Problem solved. I wrote it at this link.Deploy SpringBootApplication and ElasticSearch on Kubernetes
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : nobodyzzz
Spring Data + SQL Server remove schema name from entity class
Spring Data + SQL Server remove schema name from entity class
around this issue Is there anyway to remove schema from class annotation and put it in application.properties file so that if for different environment there is different schema I can control from properties file. , You should specify shcema name in
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : Comfly
Spring boot WAR in tomcat - externalize the application.properties
Spring boot WAR in tomcat - externalize the application.properties
I hope this helps you . The documentation has several important notes:
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : bashmish
Disable distributed tracing for development
Disable distributed tracing for development
I wish did fix the issue. You can add the following setting on your properties key to disable zipkin, source.
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : user122937
How to make multiple Spring Webclient calls in parallel and wait for the result?
How to make multiple Spring Webclient calls in parallel and wait for the result?
wish help you to fix your issue I am new to Reactive programming and I would like to make two API calls in parallel and process the results and return a simple array or list of items. , Here is a use case for a parallel call.
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : Adam Hill
Maven POM.xml problem - Unknown error at top line ( <?xml version="1.0" encoding="UTF-8"?> )
Maven POM.xml problem - Unknown error at top line ( <?xml version="1.0" encoding="UTF-8"?> )
Any of those help This is the latest surprise Eclipse bug when using with Spring Boot 2.1.5 due to Spring Boot 2.1.5 upgrade maven-jar-plugin to 3.1.2The workaround is to downgrade it to the previous version by adding the following to pom.xml :
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : Nicholas Hunter
Use method security springboot
Use method security springboot
help you fix your problem Sure. Just annotate @EnableGlobalMethodSecurity on any @Configuration bean. A good one is to annotate on the configuration bean that configures security :
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : meehan
Is @Import necessary with Spring Boot
Is @Import necessary with Spring Boot
wish helps you You don’t need to do that, scanning will be done for you automatically , all you need is to make your main class on the root package, and all other stereotypes classes including configuration in sub packages
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : kokok13
Why first line in pom.xml in spring-boot Application showing error... <?xml version="1.0" encoding="UT
Why first line in pom.xml in spring-boot Application showing error... <?xml version="1.0" encoding="UT
I wish this helpful for you This happening with 2.1.5.RELEASE. Add the following entry to your pom to fix that issue.
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : John Studdert
Spring boot run ends successfully but embedded server is down
Spring boot run ends successfully but embedded server is down
fixed the issue. Will look into that further If you want to run your application from the command line using Maven you should use spring-boot:run rather than spring-boot:start.mvn spring-boot:start is intended for use with integration tests and Fails
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : al.
Spring boot tests in memory db data not persisting between tests
Spring boot tests in memory db data not persisting between tests
To fix the issue you can do Tests annotated with @DataJpaTest are already @Transactional so adding @Transactional explicitly will, as you have observed, have no effect.The behaviour that you are seeing is because, by default, the test framework rolls
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : Ir0nh1de
Can I use "Spring Data JDBC" with Spring Boot 1.5.x?
Can I use "Spring Data JDBC" with Spring Boot 1.5.x?
fixed the issue. Will look into that further If you look at the spring-data-jdbc pom.xml it uses spring-data-parent to manage Spring Framework version by defining and applying spring.version property. You must ensure that this Spring Framework versio
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : alexmajy
IntelliJ IDEA CE 2019.1: "JUnit Vintage" test section throwing "No runnable methods" when using `@Ru
IntelliJ IDEA CE 2019.1: "JUnit Vintage" test section throwing "No runnable methods" when using `@Ru
hope this fix your issue When I replace that annotation with (as shown in this [Baeldung article][1]):
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : Manik
Spring Boot @DataJpaTest causing `No ServletContext set` error
Spring Boot @DataJpaTest causing `No ServletContext set` error
hop of those help? When running a test with the @DataJpaTest annotation, this exception is thrown: , For loading webapplication context use the annotations :
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : msugar
H2 Database not found error: 90146. H2 database is not created on start
H2 Database not found error: 90146. H2 database is not created on start
I hope this helps . I had the same error and I found these to be helpful: Adding a pre-2019 version to the pom.xml file as below:
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : General Mills
How to create routes configuration itself dynamically
How to create routes configuration itself dynamically
may help you . Camel supports defining all details about routes in a particular XML-based format. This page has links to that (and other) DSLs.You could definitely come up with your own DSL and build routes dynamically, but that's a lot of work if yo
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : Robert MacGregor
Transaction Synchronization in spring boot with Database+ kafka example
Transaction Synchronization in spring boot with Database+ kafka example
I wish did fix the issue. I Want to write one new application with Spring boot using the database as MySQL + Mango and for messaging Spring Kafka. , Here you go...
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : lonehunter01
ResourceAssembler not returning the right path(created resource path) in response _links
ResourceAssembler not returning the right path(created resource path) in response _links
Hope this helps In the resource processor, you are setting the self link to the URL for UserJob (/profiles which you have set in your controller) and concatenating the id, so it becomes "/profiles/id". If you need to set a link to the URL of a method
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : Yolanda N. Ceron
Is there a way to record response times of feign client
Is there a way to record response times of feign client
this will help We have straight forward as well as a customized way for logging the feign clients request and response (including the response time). We have to inject the feign.Logger.Level bean, that's it. THE DEFAULT/ STRAIGHT FORWARD WAY
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : cjdavis
Wrapping Resilience4j circuitbreaker around a service method with multiple arguments
Wrapping Resilience4j circuitbreaker around a service method with multiple arguments
fixed the issue. Will look into that further Resilience4j-circuitbreaker allows us to wrap a service using decorator functions, but from what I can tell it only allows functional interfaces such as Supplier, Consumer, and Function which accept at mos
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : CM.
DispatcherServlet configuration needs to include a HandlerAdapter that supports this handler
DispatcherServlet configuration needs to include a HandlerAdapter that supports this handler
wish help you to fix your issue I am trying to design a rest api, and below is my controller code. , For clarity, fix is:
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : dyarborough
Spring boot syntax on run()
Spring boot syntax on run()
wish help you to fix your issue It is not mandatory to create the main method inside the @SpringBootApplication class. So by providing the class argument in the SpringApplication.run method one can specify the class that should be loaded.For example:
TAG : spring-boot
Date : January 02 2021, 06:48 AM , By : mckasty
Difference between *, $, and #
Difference between *, $, and #
wish of those help The types of expressions Thymeleaf supports are: ${...} - Variable Expressions. These are the standard expressions. *{...} - Selection Variable Expressions. These are the same as variable expressions, except that they are used in c
TAG : spring-boot
Date : January 02 2021, 06:36 AM , By : user165781
Tried accessing nonexisting field (context) on node type (User)
Tried accessing nonexisting field (context) on node type (User)
may help you . I had the same issue and looked for a solution everywhere. Without any luck, I ended up writing a custom service that calls the Facebook Graph API and populates the UserProfile object.Add a new FBService.java class to your project:
TAG : spring-boot
Date : January 02 2021, 06:31 AM , By : Mark W
How to "Correct the classpath of your application so that it contains a single, compatible version of org.elasticse
How to "Correct the classpath of your application so that it contains a single, compatible version of org.elasticse
Hope that helps You've overridden the version of org.elasticsearch.client:transport to be 6.5.4 while you appear to be using 6.8.0 of all of Elasticsearch's other modules. org.elasticsearch.client:transport is included in Spring Boot's dependency man
TAG : spring-boot
Date : January 02 2021, 05:34 AM , By : lhoBas
Spring boot - autoconfigure only if bean JavaMailSender exists
Spring boot - autoconfigure only if bean JavaMailSender exists
I wish this help you problem is that @AutoConfigureAfter is not working as you expected. See @AutoConfigureAfter not working as desiredWhen MyMailConfiguration is processed, there's no garantee that all the beans from MailSenderAutoConfiguration have
TAG : spring-boot
Date : January 01 2021, 05:02 PM , By : cnemelka
Is there an elegant way to specify entity's fields to ignore by Spring Data Elasticsearch's ObjectMapper while left them
Is there an elegant way to specify entity's fields to ignore by Spring Data Elasticsearch's ObjectMapper while left them
Does that help These are known problems when using the Jackson Object Mapper in Spring Data Elasticsearch (which als is the default) and this is one of the reasons, why in Spring Data Elasticsearch as of version 3.2 (which currently is in RC2 and wil
TAG : spring-boot
Date : January 01 2021, 05:01 PM , By : NewGirl
Custom properties in Spring Boot project using Gradle
Custom properties in Spring Boot project using Gradle
To fix the issue you can do The docs you linked are for the current version of the plugin which aligns with the current GA version of Spring Boot: 2.1.7Version 1.5.x of the plugin does have a additionalProperties field: https://github.com/spring-proj
TAG : spring-boot
Date : January 01 2021, 02:10 PM , By : suresh
Is it possible to implement only XSS prevention in Spring security and leave everything else open?
Is it possible to implement only XSS prevention in Spring security and leave everything else open?
I wish did fix the issue. Yes, though there may be some things that you will still want, like Spring Security's application firewall.By default, HttpSecurity will add http basic, form login, CSRF protection, and various security headers, but these ca
TAG : spring-boot
Date : January 01 2021, 06:46 AM , By : Vodkat
HAL browser is not showing URL in the list
HAL browser is not showing URL in the list
I think the issue was by ths following , In continuation of my comments in the original post, I am writing this to share code and screesnshot. It may not be the complete answer.Here is my Controller:
TAG : spring-boot
Date : January 01 2021, 06:44 AM , By : KS9
Getting blocked by CORS policy despite using a Filter
Getting blocked by CORS policy despite using a Filter
With these it helps Ok, this was fast. And I post this here because it blows my mind a little.I found this in the log output:
TAG : spring-boot
Date : January 01 2021, 06:31 AM , By : Shane
Is it possible to trigger a custom action on new user with Keycloak?
Is it possible to trigger a custom action on new user with Keycloak?
should help you out Implement Event SPI (your own code - see example), listen to/acquire the event of interest to you and execute your custom "action".
TAG : spring-boot
Date : December 30 2020, 04:08 PM , By : Nic Doye
Where is keycloak starter for Spring Boot?
Where is keycloak starter for Spring Boot?
hope this fix your issue Yes it has been removed, see this issue for more details. In general going to https://github.com/spring-io/start.spring.io and searching in issues could be an effective way to get some information about the evolution of the s
TAG : spring-boot
Date : December 28 2020, 01:32 PM , By : rajiv
Using @FeignClient with OAuth2Authentication in Javaclient
Using @FeignClient with OAuth2Authentication in Javaclient
around this issue You can use Feign RequestInterceptor to pass the auth header downstream:
TAG : spring-boot
Date : December 27 2020, 04:54 PM , By : Josh Tegart
use shapassword encoding with salt in spring boot
use shapassword encoding with salt in spring boot
Any of those help I'm trying to learn Spring boot security currently. I want to add SHA-1 password encoding with salt (salt=username) encoding. What Configurations are needed for this?
TAG : spring-boot
Date : December 27 2020, 04:51 PM , By : Guy Kastenbaum
how to override Spring Boot autowired component during testing
how to override Spring Boot autowired component during testing
seems to work fine Annotation @SpringBootTest has 'properties' attribute (https://docs.spring.io/spring-boot/docs/current/api/org/springframework/boot/test/context/SpringBootTest.html). so, you can specify spring profile like this,
TAG : spring-boot
Date : December 27 2020, 04:20 PM , By : user185751
How to mock context.getBeansWithAnnotations with Mockito
How to mock context.getBeansWithAnnotations with Mockito
I wish this help you I would suggest you first refactoring Alien to make it more testable using Dependency Injection idea which its dependencies (i.e Client) can be injected from outside rather than hard coded inside a method which always get from th
TAG : spring-boot
Date : December 27 2020, 03:51 PM , By : mgz
Spring Boot Security - Ant Matcher doesn't work
Spring Boot Security - Ant Matcher doesn't work
To fix this issue Your current configuration will only restrict any paths under employee e.g. employee/1 but not /employee. Additionally you are not doing anything with the employee matcher as you go back to authorizeRequests, then configure anyReque
TAG : spring-boot
Date : December 27 2020, 02:42 PM , By : toki
Authentication system in frontend - backend services
Authentication system in frontend - backend services
seems to work fine The question is subjective and can have too many interpretations based on context. My understanding is that putting security on both front-end and backend is the best way to implement. After a successful backend authentication you
TAG : spring-boot
Date : December 26 2020, 02:30 AM , By : pjkinney
what exactly is sent from the resource server to the authentication server In spring security oauth2 during token valida
what exactly is sent from the resource server to the authentication server In spring security oauth2 during token valida
I wish this helpful for you Oauth 2.0 Bearer tokens are of two types - General tokens(e.g like java uuid string) and JWT tokens. General tokens will be stored in the authorization server token store along with their scopes, expiry, client ID, UserId
TAG : spring-boot
Date : December 26 2020, 12:30 AM , By : user183825
A question of vaadin starter pack license
A question of vaadin starter pack license
I hope this helps you . No, IMHO this is not possible. Quoted from the overview page:
TAG : spring-boot
Date : December 26 2020, 12:01 AM , By : John Phipps
How to get an object to list
How to get an object to list
wish of those help I use exchange method for get a some API data , maybe you use like this
TAG : spring-boot
Date : December 25 2020, 10:30 PM , By : TBG
REST endpoint works when directly accessed, but not when accessed via WebClient
REST endpoint works when directly accessed, but not when accessed via WebClient
I wish this helpful for you Note: The following is an edit/revision to a similar post/question, in an attempt to better identify my issue/question, and to provide better code samples demonstrating my issue. , here is where i guess your problem is.
TAG : spring-boot
Date : December 25 2020, 06:01 PM , By : Hibame
Running Tasks in different thread in Spring Webflux Annotated controller
Running Tasks in different thread in Spring Webflux Annotated controller
hope this fix your issue You can use subscribeOn operator to delegate the task to a different threadpool:
TAG : spring-boot
Date : December 25 2020, 05:02 PM , By : James
How to allow Parallel Processing of Events on my entire Axon Application?
How to allow Parallel Processing of Events on my entire Axon Application?
Any of those help If you want to configure your Tracking Event Processors (TEP) through an application.properties file, then yes you will have to specify this for every TrackingEventProcessor instance you have defined.However, as of Axon Framework re
TAG : spring-boot
Date : December 25 2020, 04:30 PM , By : Pancilobak

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