I would like to use the Foreign key “MODEL_ID” to retrieve just one column “MODEL_NAME” from the TT_CARS table, I tried the following code, that works but it returns the whole CARS object. Also I tried the code below, its also not working Is there other way to retieve just the column (…
Tag: spring-boot
How to put multiple values into a json in java
I’m trying to return a list of values from JDBC but multiple columns of the database to solve this I just made a JSON object to make something like this The issue is im getting this error WARN 43953 — [nio-1900-exec-1] .w.s.m.s.DefaultHandlerExceptionResolver : Resolved [org.springframework.web.Ht…
Java Lambda for spring-cloud version to 3.2.3/3.1.7 org/springframework/boot/ApplicationContextFactory: java.lang.NoClassDefFoundError
I’m trying change version for spring-cloud-function-adapter-aws from 3.0.7.RELEASE to either 3.1.7 or 3.2.3 (as Spring Cloud Function Vulnerability CVE-2022-22963) but getting error as it is not able to find the class java.lang.NoClassDefFoundError: org/spring framework/boot/ApplicationContextFactory at…
Why do I get a “io.jsonwebtoken.ExpiredJwtException”?
I have a problem with my Spring Security JWT Application. I am getting an error because my JWT is expired, but I can’t find, where it gets the 2022-04-12 as an expiration date. I can’t find a single piece of code, which says that the expiration date is the 2022-04-12. After my understanding, it is…
how to combine two List<Map> [closed]
Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 10 months ago. Improve this question There are these two List<Map<String,Object>> in java List<Map<String,Obj…
Spring Cloud Contract: how to prevent Producer to break consumers?
I am new to Spring Cloud Contracts and recently I was able to generate Producer contracts, and write a test on the consumer side using the stubs installed on my local maven repo. If I break the contract on the Producer side and then install the new stubs, as expected if I run the consumer tests it will fail. …
Spring @Valid annotation not working as validating dto fields?
I have checked many other questions about it but I cannot find the solution, where am I missing ? Here is the controller method: And my dto is: My problem is (maybe @Valid is actually working I am not sure), when I debug it with the postman request: I am expecting some kind of message like “Id cannot be…
management.endpoint.health.group.readiness.include=* bug – Spring Boot Actuator
A bug in Spring Boot Actuator exists whereby if certain properties are used, management.endpoint.health.probes.add-additional-paths=true doesn’t work in exposing the readiness endpoint at /readyz and the liveness endpoint at /livez. You get a whitelabel error page. This application has no explicit mappi…
Spring cloud stream merge responses from two different functions
I’m trying to use spring cloud stream to solve the following problem: I have a class that calls two separated functions (Function A and B), both of those functions must work in parallel if the Function A finishes it must call the Function C, the same happens if Function B finish but this will call Funct…
Create custom finder with spring
I trying to implement a database with a many-to-many relationship.The database has been built, now we need queries to it. I’m using this article as an example: https://www.bezkoder.com/jpa-many-to-many/. When I create custom finder in Repository – server crushes at running. I have two Entity: Mass…