grails dbm-generate-gorm-changelog changelog.groovy

dataSource:
    pooled: true
    jmxExport: true
    driverClassName: org.h2.Driver
    username: sa
    password:

environments:
    development:
        dataSource:
            dbCreate: verify
            driverClassName: org.postgresql.Driver
            dialect: org.hibernate.dialect.PostgreSQLDialect
            url: jdbc:postgresql://127.0.0.1:5432/liquibase_test
            username: dbuser
            password: dbuser
            logSql: false
            formatSql: true

class TestDomain {
    int testInt
}

:DataModel:dbmGormDiff
 Command execution error: liquibase.command.CommandExecutionException: java.lang.NullPointerException
 DataModel:dbmGormDiff FAILED