Grails .save(flush: true) does not save data instantly

Question

Situation :

I send a request using Grails resource and service named firstService;

First request's task is

1. save a book instance book1 book1.save(flush: true);
2. at the same time wait 60 sec or a property of book1 is updated by another request by second request

But when I save with book1.save(flush: true); it does not save instantly and thats why withing 60 sec the second request can not find that book1 instance;

Second request's task is only updating data of first request.

How can I solve the problem ?

Answer 1

book1.save() do not returns true , returns itself (book1) or returns null when errors.

There are four ways of to tell if object can be saved

• validate method before save. It should to return true
• hasErrors property before save. It should to return false
• save method returns the instance if all is ok
• save method with (failOnError: true) argument raise an error when validation fails

If you're totally certain that the object was saved then check this:

• Are you saving the object in a test context? Tests cleans the database and you must to create the object in each or to use setup method to create it
• Are you saving the object in a service? Services are transactional, thus if an error raise after the save then all the transaction is rollback.

Note: Every Grails developer must to read the @pledbrook articles GORM Gotchas

• https://spring.io/blog/2010/06/23/gorm-gotchas-part-1/
• https://spring.io/blog/2010/07/02/gorm-gotchas-part-2/
• https://spring.io/blog/2010/07/28/gorm-gotchas-part-3/