Spring Boot. How to disable Initialization of JPA Conditionaliy

Question

I'm woundering if it's possible to disable the intialization of JPA Stack competelly.

I some situation my application is executed in enviroment where database is not accessible. Application can survive this on application level. But technically i get some exception on intialization of Data Source.

there musst be some way to disable JPA intialization at all (not needed withoud db. By profile or someting like that.
Or maby at least i can say Connection pool to not connect or somethinglike this.
Other ideas?

Slava Semushin · Accepted Answer · 2015-09-15 15:56:00Z

9

Yes, you could use profiles for that: one with JPA and another without it. To turn off DataSource/JPA autoconfiguration you need to add spring.autoconfigure.excludes property (with fully-qualified class names) to profile-specific application.properties.

What classes to exclude? I suggest to start from DataSourceAutoConfiguration and if it's not enough try to disable other database-related autoconfiguration classes.

Note that spring.autoconfigure.excludes is a new feature that is avaiable since Spring Boot 1.3.0.M3

answered Sep 15, 2015 at 15:56

Slava Semushin

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9 Comments

aholbreich Over a year ago

Yes, but how to make that "eclusion" conditionaly to Profile. And Secondly: How then to deal with Autowired. Would mean in need custom factories? Maybe some exmaple helps me

aholbreich Over a year ago

Ok Autowirede can have Required=false... Now i hvae to figure out how to make EnableAutoConfiguration(exclude = DataSourceAutoConfiguration .class) conditional, depending on Profile

Slava Semushin Over a year ago

spring.autoconfigure.excludes is analogue of EnableAutoConfiguration(exclude = ) that may be used in application.properties. Just put it in application-nodb.properties file where nodb is a name of profile.

aholbreich Over a year ago

Here i try to exclude DataSourceAutoconfig, (So it not tries to establish connection) spring.autoconfigure.excludes=org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration. But it's not working, no chnage to behavior. Tried with DataSourceAutoConfiguration too... Spring boot 1.3.0.M5

Slava Semushin Over a year ago

Run application with --debug: has it shown as enabled?

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