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I am working on a Grails application where I must access several datasources. The datasources are defined in the default database (ie. they are stored there and I must make a call to the default database to retrieve a list of the datasource names I must prepare to connect to). When the server boots up I retrieve the list of databases, create the datasource beans and inject them. All dynamically added databases are structurally identical (ie. have the same table and domain object structure). This question is the closest I got to a useful piece of code, but it's not quite what I need. Issue #1 When I register the datasource beans, they show up where I expect, but Grails does not pick them up. This is how I add them: // Register datasource bean def beanName = 'dataSource_devDB1' BeanBuilder bb = new BeanBuilder() bb.beans { "${beanName}"(BasicDataSource) { url = "jdbc:h2:devDB1Db;MVCC=TRUE" pooled = true driverClassName = "org.h2.Driver" username = "sa" password = "" } } bb.registerBeans(grailsApplication.mainContext) // check that it registered def ctx = grailsApplication.mainContext def ctxlist = ctx2.beanDefinitionNames.findAll{it.contains( 'dataSource' )} log.info "ctxlist = " + ctxlist This prints: [dataSource, dataSourceUnproxied, dataSource_devDB1] When I do this, I can execute operations on the default datasource, and that's it. Issue #2 If I declare all my datasources as part of the Datasource.groovy file, then I can execute operations on all my databases, but not as advertised by the documentation It works if I do

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