in src/main/java/org/apache/sling/jcr/base/AbstractSlingRepository2.java [201:213]
protected Session createServiceSession(final String serviceUserName, final String workspace) throws RepositoryException {
Session admin = null;
try {
admin = this.createAdministrativeSession(workspace);
Session result = admin.impersonate(new SimpleCredentials(serviceUserName, new char[0]));
Repository repository = getRepository();
return repository instanceof ProxyRepository ? ((ProxyRepository) repository).wrap(result) : result;
} finally {
if (admin != null) {
admin.logout();
}
}
}