I am dealing with an API that don’t accept multi line json body and accept only 1 json line body (json compact form) The below payload is valid because it’s compact in just 1 line And the below payload is not passing because it’s multiline I have the same problem in the Java/Spring code wher…
Tag: java
Spring @PostMapping force null values for formdata urlencode?
When I run the following request, the values in my received object are not null, but “” empty: Question: how can I tell Spring to not add empty values on Strings, but keep them null? Answer Could solve it as follows: This converts any empty strings to nulls.
Get Value From Realtime Firebase Inside Child
Greeting everyone, im working a project right now and need help for firebase realtime database. My firebase Project As you guys can see in the above picture, inside student, I have matric number, and inside matric number have block and department. I have a barcode scanner which scan the value of department an…
Implement Elasticsearch aggregation snd sort query using Java API and sort based on reversed
I have an Elasticsearch nested aggregation query(below), that I am trying to implement in Java using the Elasticsearch Java API. The query counts keywords and sorts using the reversed_nested _count. The query works in dev tools and partly Java, the only I can not sort using the Java API using the reversed_cou…
Specifying sort order direction in a JSON API
Does Restful API define proper ways to give Sort Order Direction, (Ascending or Descending) for API user parameters ? I am letting a user input a request string, that only allows two options for API to work “Ascending” or “Descending” . Is there a more formal way of doing this per stan…
How to make this kind of button? [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 4 months ago. Improve this question I am creating a currency converter and I want to create a button that switches or swaps val…
Quarkus Native and Elasticsearch — “No suitable Log implementation”?
I have written an AWS Lambda using the Quarkus framework. The purpose of the lambda is to listen for DynamoDB Streams events and index the event using Elasticsearch. However, when I try to run a native build of the Lambda, I get an error. My pom.xml looks something like this: I am able to build the native exe…
ERROR: org.codehaus.jackson.map.JsonMappingException
I’m using lombok + Java to otimizate the application. The class has the tags @Data , @EqualsAndHashCode(callSuper = false), @NoArgsConstructor, @AllArgsConstructor e @Builder before signature’s class. When I run, It shows the error below: ERROR: org.apache.cxf.jaxrs.JAXRSRuntimeException: org.code…
Spring retry – Thread interruption handling
I am using spring-retry v1.3.1 with @Retryable annotation and I have a few questions on its behaviour. Let’s say that in my spring boot application I have a retry configuration that makes my application wait 1 hour before retrying. If my application is killed (for example by kubernetes) while it was wai…
Using exception for invalid entry
I am trying to use exceptions in my assignment to catch an error when a user input invalid entry. I tried using the if else statement to catch but whenever running the program it will skipped pass my exception even when I input invalid entry. Do any of you have any idea where I am wrong in the code? PS: