title: Error on run-app with grails 3.3.4
body: <p>I am trying to upgrade my application from grails 3.2.11 to 3.3.4
  On doing grails run-app, I am getting below errros:</p>
  
  <blockquote>
    <p>Caused by: org.springframework.beans.BeanInstantiationException:
    Failed to instantiate [org.grails.orm.hibernate.HibernateDatastore]:
    Constructor threw exception; nested exception is
    java.lang.NullPointerException
            at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:154)
            at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:122)
            at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:271)
            ... 49 common frames omitted Caused by: java.lang.NullPointerException: null
            at org.grails.orm.hibernate.cfg.GrailsDomainBinder.getTableName(GrailsDomainBinder.java:1202)
            at org.grails.orm.hibernate.cfg.GrailsDomainBinder.calculateTableForMany(GrailsDomainBinder.java:1155)
            at org.grails.orm.hibernate.cfg.GrailsDomainBinder.bindCollectionTable(GrailsDomainBinder.java:1105)
            at org.grails.orm.hibernate.cfg.GrailsDomainBinder.bindCollection(GrailsDomainBinder.java:1052)
            at org.grails.orm.hibernate.cfg.GrailsDomainBinder$CollectionType$1.create(GrailsDomainBinder.java:3463)
            at org.grails.orm.hibernate.cfg.GrailsDomainBinder.createClassProperties(GrailsDomainBinder.java:1872)
            at org.grails.orm.hibernate.cfg.GrailsDomainBinder.bindRootPersistentClassCommonValues(GrailsDomainBinder.java:1751)
            at org.grails.orm.hibernate.cfg.GrailsDomainBinder.bindRoot(GrailsDomainBinder.java:1391)
            at org.grails.orm.hibernate.cfg.GrailsDomainBinder.contribute(GrailsDomainBinder.java:165)
            at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.complete(MetadataBuildingProcess.java:275)
            at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.build(MetadataBuildingProcess.java:83)
            at org.hibernate.boot.internal.MetadataBuilderImpl.build(MetadataBuilderImpl.java:418)
            at org.hibernate.boot.internal.MetadataBuilderImpl.build(MetadataBuilderImpl.java:87)
            at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:692)
            at org.grails.orm.hibernate.cfg.HibernateMappingContextConfiguration.buildSessionFactory(HibernateMappingContextConfiguration.java:276)
            at org.grails.orm.hibernate.connections.HibernateConnectionSourceFactory.create(HibernateConnectionSourceFactory.java:86)
            at org.grails.orm.hibernate.connections.AbstractHibernateConnectionSourceFactory.create(AbstractHibernateConnectionSourceFactory.java:39)
            at org.grails.orm.hibernate.connections.AbstractHibernateConnectionSourceFactory.create(AbstractHibernateConnectionSourceFactory.java:23)
            at org.grails.datastore.mapping.core.connections.AbstractConnectionSourceFactory.create(AbstractConnectionSourceFactory.java:64)
            at org.grails.datastore.mapping.core.connections.AbstractConnectionSourceFactory.create(AbstractConnectionSourceFactory.java:52)
            at org.grails.datastore.mapping.core.connections.ConnectionSourcesInitializer.create(ConnectionSourcesInitializer.groovy:24)
            at org.grails.orm.hibernate.HibernateDatastore.(HibernateDatastore.java:204)
            at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
            at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
            at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
            at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
            at org.springsource.loaded.ri.ReflectiveInterceptor.jlrConstructorNewInstance(ReflectiveInterceptor.java:1076)
            at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:142)
            ... 51 common frames omitted</p>
  </blockquote>
  
  <p>Do anyone has any idea on the same?</p>