oracle - Grails/Hibernate error "sequence does not exist" on hibernate_sequence -


i using grails , connected app oracle db. when try create object (via corresponding view in app front-end) error:

hibernate: select hibernate_sequence.nextval dual | error 2014-03-10 12:03:14,596 [http-bio-8080-exec-5] error util.jdbcexceptionreporter - ora-02289: sequence not exist

of course, adding manually db fixed issue:

create sequence hibernate_sequence start 1 increment 1;

but wondering why needed manually create seq in db , why hibernate couldn't create automatically. idea? way can set hibernate create on own?

thanks.

this datasource.groovy, set sand-box db:

datasource {     pooled = true     driverclassname = "oracle.jdbc.oracledriver"      dialect = "org.hibernate.dialect.oracle10gdialect"     dbcreate = "update"      url = "jdbc:oracle:thin:@localhost:1521/orcl"     username = <user>     password = <psw>      logsql = true      properties {         validationquery="select 1 dual"         testwhileidle=true         timebetweenevictionrunsmillis=60000     }  } hibernate {     cache.use_second_level_cache = true     cache.use_query_cache = false     cache.region.factory_class = 'net.sf.ehcache.hibernate.ehcacheregionfactory' }


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