Overriding Maven output JAR with a pre-built JAR
If you're working on a Maven project and need to replace the Maven-built JAR with a pre-built JAR, this guide will show you the exact steps to achieve it. Whether…
How to Use GraalVM to Execute JavaScript Code Making REST Calls Using Java?
Introduction GraalVM is a powerful runtime that allows developers to execute multiple programming languages, including JavaScript, alongside Java. This flexibility makes it ideal for scenarios like integrating JavaScript logic into…
How to configure Swagger in Spring Boot Microservices behind an API Gateway to avoid internal Docker URLs?
To configure Swagger in a Spring Boot microservices architecture using Eureka and an API Gateway, ensuring requests are routed through the API Gateway rather than internal Docker URLs, you can…
Maven compilation error: package does not exist
When building a multi-module Maven project, everything works fine for the first two modules, but compilation fails for module 3 with errors like: [ERROR] COMPILATION ERROR : [INFO] ------------------------------------------------------------- [ERROR]…
![Creating two executables from a spring-boot maven project [closed]](https://csmaven.com/wp-content/uploads/2024/12/Designer-e1735355847537.jpeg)
Creating two executables from a spring-boot maven project [closed]
To generate two distinct executable JARs from your Spring Boot Maven project—one for your microservice and another for the scheduler—you can organize your project as a multi-module Maven setup. This…
Exception: Use @Param for query method parameters, or when on Java 8+ use the javac flag -parameters.; nested exception is java.lang.IllegalStateException:
This exception occurs in a Spring Data JPA repository when using named parameters in a query without properly annotating or providing names for those parameters. Named parameters are identified by…
![Exception: SQL Error: 3854, SQLState: HY000 ERROR 18360 — [nio-8080-exec-3] o.h.e.j.s.SqlExceptionHelper : Cannot convert string ‘\xAC\xED\x00\x05~r…’ from binary to utf8mb4](https://csmaven.com/wp-content/uploads/2024/12/Designer-2-e1735578087654.jpeg)
Exception: SQL Error: 3854, SQLState: HY000 ERROR 18360 — [nio-8080-exec-3] o.h.e.j.s.SqlExceptionHelper : Cannot convert string ‘\xAC\xED\x00\x05~r…’ from binary to utf8mb4
The error you are encountering suggests that there is a mismatch in the character encoding or the type of the column in your database. Specifically, the database is trying to…
![Error:TupleBackedMap can not be modified. No converter found capable of converting from type org.springframework.data.jpa.repository.query.AbstractJpaQuery$TupleConverter$TupleBackedMap] to type [com.booksStore.entity.ReportDetailImpl]](https://csmaven.com/wp-content/uploads/2024/12/Designer-3-e1735578191786.jpeg)
Error:TupleBackedMap can not be modified. No converter found capable of converting from type org.springframework.data.jpa.repository.query.AbstractJpaQuery$TupleConverter$TupleBackedMap] to type [com.booksStore.entity.ReportDetailImpl]
The error occurs when you are working with a JPA native query that returns results as a TupleBackedMap (used by Spring Data for unstructured or tuple-based query results). When you…
Spring Boot application gives 404 when deployed to Tomcat but works with embedded server
If your Spring Boot application works flawlessly with the embedded server but throws a 404 Not Found error when deployed to an external Tomcat server, you’re not alone! This issue…
Launching Spring Application: Fixing “Address Already in Use” Error
When launching a Spring Boot application, you might encounter the error "Address already in use". This typically occurs when the default port (8080) is already occupied. Here are some solutions…
Maven- No plugin found for prefix ‘spring-boot’ in the current project and in the plugin groups
If you're encountering the "No plugin found for prefix 'spring-boot' in the current project and in the plugin groups" error while working with Maven, it can be frustrating. However, this…
Exception: InaccessibleWSDLException
The InaccessibleWSDLException typically indicates that the application is unable to access or retrieve the WSDL (Web Services Description Language) file from the specified URL. This can occur due to several…
