December 2024 - Cs Maven

Maven compilation error: package does not exist

By admin December 30, 2024

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]

By admin December 28, 2024

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:

By admin December 22, 2024

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…

$Exception: SQL Error: 3854, SQLState: HY000 ERROR 18360 — [nio-8080-exec-3] o.h.e.j.s.SqlExceptionHelper : Cannot convert string ‘\xAC\xED\x00\x05~r…’ from binary to utf8mb4$

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

By admin December 22, 2024

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]

By admin December 22, 2024

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…