Missing localizer.properties

Simple test to reproduce:

import java.beans.IntrospectionException;
import java.beans.Introspector;
...
try {
        Introspector.getBeanInfo(org.apache.openjpa.jdbc.conf.JDBCConfigurationImpl.class);
    } catch (IntrospectionException e) {
        throw new RuntimeException(e);
    }

throws exception:

org.apache.openjpa.lib.util.ParseException: Errors occurred while creating property descriptors for the following properties:
[CacheDistributionPolicy, RefreshFromDataCache, EncryptionProvider, PostLoadOnMerge,
OptimizeIdCopy, Callbacks, InitializeEagerly, Specification, javax.persistence.query.timeout,
LifecycleEventManager, DynamicEnhancementAgent, InstrumentationManager, Instrumentation,
Auditor, javax.persistence.validation.factory, Validator, javax.persistence.validation.mode,
javax.persistence.validation.group.pre-persist, javax.persistence.validation.group.pre-update,
javax.persistence.validation.group.pre-remove, javax.persistence.sharedCache.mode,
javax.persistence.validation.factory, Validator, javax.persistence.validation.mode,
javax.persistence.validation.group.pre-persist, javax.persistence.validation.group.pre-update,
javax.persistence.validation.group.pre-remove, javax.persistence.sharedCache.mode]