Questions tagged [spring-boot]
Use the Spring Boot tag for questions related to spring boot framework and the features it brings to your Web application. This includes questions about configuration, embedding of the Web servers, setting up metrics, health checks, externalized configuration etc. It does not include questions about the Web server itself, Java code running in your application, or standard spring components. Tag these questions with its own tags to get the best response!
spring-boot
67,109
questions with no upvoted or accepted answers
22
votes
1
answer
19k
views
Gradle archive contains more than 65535 entries
I am integrating hadoop2.5.0 for running mapreduce job and spring-boot-1.2.7 release and getting error while including this
Archive contains more than 65535 entries.
My gradle jar dependency
jar {
...
- 7,713
15
votes
0
answers
772
views
Django channels with Spring Boot Websockets (StompSession) do not work
Hey there we want to use Django just to execute python code and use channels for the results. Implemented everything the websockets are not working as they should. If I try to send something from our ...
- 1,744
14
votes
2
answers
6k
views
How to ignore EI_EXPOSE_REP2 in case of spring autowired components
In my Spring Boot application, I use com.github.spotbugs:spotbugs-maven-plugin plugin. The spotbugs check reports no issues on following class:
@Service
public class FooService {
@Autowired
...
- 376
14
votes
1
answer
2k
views
Working example of Spring Cloud Gateway with Redis session management?
Can you please point out any written or video tutorial of working example of spring-cloud-starter-gateway? Using spring-session-data-redis, Spring Boot 2 and possibly related libraries e.g. spring ...
- 427
14
votes
1
answer
2k
views
How to migrate code from Spring Security to Reactive Spring Security?
I'm trying to migrate classic Spring Boot Application to Reactive Spring Boot Application, but I have a problems with this task.
How to migrate the code below
package com.example;
import org....
- 141
14
votes
2
answers
7k
views
Spring Security Caused by: org.springframework.security.config.annotation.AlreadyBuiltException: This object has already been built
In my spring boot application, When I add @PreAuthorize("hasAuthority('ADMIN')") on service layer class which is injected into UserDetailService implementation Class, I get an error "This object has ...
- 1,806
13
votes
2
answers
3k
views
Hibernate 6.1.5.Final unable to determine table reference
Hello StackOverflow Community,
Attempted:
Upgrading Spring Boot from 2.7.5 to 3.0.0, which uses Hibernate ORM core version 6.1.5.Final
Entity
Plant.java
@Data
@Entity
public class Plant {
@Id
...
- 305
13
votes
1
answer
2k
views
How to set up a cache fallback in SpringBoot when unable to connect to Redis?
There is a SpringBoot (v2.2.7) application, where a Redis cache is configured
fragment of pom.xml
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>...
- 7,540
13
votes
4
answers
5k
views
Required request part 'file' is not present - Angular2 Post request
I am trying to get my file upload functionality done using Angular2 and SpringBoot. I can certify that my java code for the file uploading working fine since I have tested it successfully using ...
- 2,075
12
votes
1
answer
374
views
Register SPI dynamically at runtime
I'm attempting to create a custom implementation of java.nio.FileSystem for an existing Application.
The implementation itself seems to work correctly within its context.
However, the parent ...
- 587
12
votes
1
answer
8k
views
Failed to bind properties under 'server.port' to java.lang.Integer
Some time ago I faced with such issue:
Failed to bind properties under 'server.port' to java.lang.Integer:
Property: server.port
Value: $PORT
Origin: "server.port" from property ...
- 171
12
votes
1
answer
1k
views
QueryDsl MongoDB - Accessing Deeply Nested Object for Query
I have issues trying to access nested object when using BooleanBuilder. I have read that the default is 2 levels, but for my use case, I need to access 3rd level nested objects. So I have added @...
- 3,395
12
votes
1
answer
3k
views
How to generate Swagger UI from javadocs?
I can generate swagger UI on my Spring boot application from @Api @ApiOperation, @ApiResponses annotations.
These annotations makes code a bit dirty. I wonder, how I can generate swagger ...
- 342
12
votes
2
answers
930
views
Using redis and elasticsearch concurrently, but it errors with "availableProcessors is already set to [4], rejecting [4]"
ERROR:Factory method 'elasticsearchClient' threw exception; nested exception is java.lang.IllegalStateException: availableProcessors is already set to [4], rejecting [4]
I just want to use redis and ...
- 329
11
votes
0
answers
2k
views
Server Sent Event (SseEmitter) - Broken pipe when timeout
The SSE using SseEmitter of SpringBoot 2.6.3 is working well, but when there is a timeout, the following error appears :
org.apache.juli.logging.DirectJDKLog - : Changing async state from [STARTED] ...
- 373
11
votes
0
answers
7k
views
What is the cleaner and efficient way of implementing health check for Kafka in my spring boot application?
I have a spring boot (2.1.6) application that both consumes and produces messages to a (organization wide) common kafka instance. I am trying to implement health checks for this kafka broker in my ...
- 1,232
11
votes
0
answers
2k
views
EC2 Instance - Sending STDOUT logs to Cloud Watch
Reading the 12factor app in the logging chapter, it suggests that the application logs should be sent to STDOUT.
I found plenty of documentation on how to get the logs from STDOUT and send it to ...
- 960
11
votes
0
answers
1k
views
Getting "com.mongodb.MongoInternalException: The responseTo in the response does not match the requestId in the request" while connecting to mongodb
My app is using Spring-Boot framework. Everything was working fine until GC overhead error occurred. GC error was recovered but mongodb connection was giving this error continuously after it. But at ...
- 1,372
11
votes
1
answer
5k
views
How to shutdown application context between tests
I have 3 groups of tests: unit, integration, acceptance.
Latter two groups launches ApplicationContext: minimal for "integration" and full for "acceptance".
Both application contexts register queue ...
- 179
11
votes
3
answers
16k
views
How to get the version of Spring Boot in the /info actuator endpoint
It's possible to include the version of Spring Boot in the banner.txt by adding ${spring-boot.version}.
How can I do the same for the /info actuator endpoint?
I've tried adding both of the following ...
- 131
11
votes
3
answers
2k
views
Alternative for org.apache.commons.mail.util.MimeMessageParser compatible with Jakarta on Java 17
As I updated my Spring Boot application to Java 17 and Spring Boot 3, I migrated from Java EE to Jakarta. I used the MimeMessageParser of org.apache.commons.mail.util.MimeMessageParser, but it expects ...
- 139
11
votes
1
answer
6k
views
Can I use @MockBean to mock a bean in just one method of my test class?
I have this mvc test class
@RunWith(SpringRunner.class)
@SpringBootTest
public class UserTest {
private MockMvc mockMvc;
@Resource
private WebApplicationContext webApplicationContext;
...
- 3,599
10
votes
1
answer
12k
views
Spring boot 3 upgrade: java.lang.NoClassDefFoundError: org/springframework/util/SocketUtils
Looks like SocketUtils is deprecated now as a part of spring boot 3 upgrade. While running controller tests, I am getting below error. Anyone have come across it and how was it solved?
main] o.s.test....
- 215
10
votes
1
answer
7k
views
Spring Boot testing: Cannot bind @ConfigurationProperties - Ensure that @ConstructorBinding has not been applied
In a Spring Boot unit test, how can you mock @ConstructorBinding @ConfigurationProperties data class?
Setup
Both
Kotlin 1.4.30 (for unit tests and config classes)
Java 15 (with --enable-preview) (...
- 6,823
10
votes
0
answers
3k
views
Spring boot context load test hangs
We have a Spring Boot app written in Kotlin. The problem is it hangs during Maven clean test while running context load test below.
Java: 14.0.1
Kotlin: 1.4.20
Spring boot:2.3.6.RELEASE
Spring cloud:...
- 1,827
10
votes
1
answer
2k
views
Spring context indexer not working for dependency jar
I have some library jar lib.jar (made using spring boot but packaged as normal jar without spring boot plugin) which is made of spring boot and contains spring.components file generated by spring-...
- 764
10
votes
2
answers
3k
views
SpringBoot hibernate gradle byte code enhancement
I am trying to mane hibernate OneToOne relationships work lazily.
My setup is spring-data-jpa using hibernate and Gradle.
Even this is a well-documented problem/feature and there is a lot of good ...
- 2,981
10
votes
1
answer
3k
views
Kafka Connect with Spring Framework
Is anyone aware of any Spring Boot integration with Kafka Connect? There is a spring-kafka project that I think gives a nice integration with Kafka clients but not connect and streams APIs.
- 101
10
votes
0
answers
3k
views
Spring Boot, Tomcat & Gradle: xalan & serializer jars not found
Yesterday I tried to merge some single spring boot projects into one new project and since then I am getting the following errors in my ide console when starting the project:
Ignoring Class-Path ...
- 1,380
10
votes
0
answers
1k
views
Configuring custom Json Serializer for Spring controller test
I'm testing a controller:
@RestController()
public class MessagesController {
...
}
Using @WebMvcTest annotation:
@RunWith(SpringRunner.class)
@WebMvcTest(value = {MessagesController.class})
public ...
- 1,185