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
67,007
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 {
...
- 7,703
15
votes
0
answers
767
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>...
- 7,530
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
353
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
929
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