conf.lockManagerPlugin.setAlias("mixed", "org.apache.openjpa.jdbc.kernel.MixedLockManager");
configureBeanValidation(conf);
conf.dataCacheMode = conf.addString(JPAProperties.CACHE_MODE);
conf.dataCacheMode.setDefault(DataCacheMode.UNSPECIFIED.toString());
conf.dataCacheMode.set(DataCacheMode.UNSPECIFIED.toString());
return true;
}