Sometimes we encounter problem in injecting services in domain and controller when service name is started with more than one capital letter in beginning like TEStService.
In this case you can't inject service using "def testService" and it gives null pointer exception for this service.
If you rename it as TestService it will work fine.
Reason behind this :
Actually naming the service like this violates the grails naming convention and
grails convert the name "TESTService" into "testService"(lowercased all the uppercase letter except last one) instead of "tESTService".
Solution :
To avoid this problem inject the service like "def TESTService".
It will solve your problem.
Thanks
Shiv Kumar
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About Author
Shiv Kumar
Shiv is an experienced Java Developer with a strong background in multiple technologies. He specializes in defining system architectures to ensure reliable and resilient solutions. He possesses a comprehensive understanding of the latest technologies and has hands-on experience in Core Java, Spring Boot, Hibernate, Apache Kafka messaging queue, Redis, as well as relational databases like MySQL and PostgreSQL, and non-relational databases like MongoDB. He excels in API implementations, Microservices, Web Services development, testing, and deployments. Shiv actively contributes to code enhancements and consistently delivers valuable contributions to various client projects, including Fabtrack, Pando, Pandojo, Digikam, WhatsApp Integration, Croniz, Punchin Application, Script TV, Bhaasha, and more. He demonstrates strong analytical skills and a creative mindset. In addition, he has a passion for reading books and exploring new technologies and innovations.