Program: 151623
Project: 151623
Buggy source:
@Command("String_Node_Str") public void setup(@Option(name="String_Node_Str",required=true) JPAProvider jpap,@Option(name="String_Node_Str",required=true) JPAContainer jpac,@Option(name="String_Node_Str",defaultValue="String_Node_Str") DatabaseType databaseType,@Option(name="String_Node_Str",defaultValue=DEFAULT_UNIT_NAME) String unitName,@Option(name="String_Node_Str",defaultValue=DEFAULT_UNIT_DESC) String unitDescription,@Option(name="String_Node_Str") String jtaDataSource,@Option(name="String_Node_Str") String nonJtaDataSource,@Option(name="String_Node_Str") String jdbcDriver,@Option(name="String_Node_Str") String databaseURL,@Option(name="String_Node_Str") String username,@Option(name="String_Node_Str") String password){
  PersistenceFacet jpa=project.getFacet(PersistenceFacet.class);
  PersistenceModel config=jpa.getConfig();
  PersistenceUnit unit=null;
  for (  PersistenceUnit u : config.getPersistenceUnits()) {
    if (DEFAULT_UNIT_NAME.equals(u.getName()) || (unitName != null && unitName.equals(u.getName()))) {
      unit=u;
    }
  }
  if (unit == null) {
    unit=new PersistenceUnit();
    unit.setName(unitName);
    unit.setDescription(unitDescription);
    config.getPersistenceUnits().add(unit);
  }
  unit.getProperties().clear();
  JPADataSource ds=new JPADataSource().setJndiDataSource(jtaDataSource).setDatabaseType(databaseType).setJdbcDriver(jdbcDriver).setDatabaseURL(databaseURL).setUsername(username).setPassword(password);
  PersistenceContainer container=jpac.getContainer(manager);
  PersistenceProvider provider=jpap.getProvider(manager);
  container.setupConnection(unit,ds);
  provider.setup(unit,ds);
  jpa.saveConfig(config);
}

Fixed version (ground truth):
@Command("String_Node_Str") public void setup(@Option(name="String_Node_Str",required=true) JPAProvider jpap,@Option(name="String_Node_Str",required=true) JPAContainer jpac,@Option(name="String_Node_Str",defaultValue="String_Node_Str") DatabaseType databaseType,@Option(name="String_Node_Str") String jtaDataSource,@Option(name="String_Node_Str") String jdbcDriver,@Option(name="String_Node_Str") String databaseURL,@Option(name="String_Node_Str") String username,@Option(name="String_Node_Str") String password,@Option(name="String_Node_Str",defaultValue=DEFAULT_UNIT_NAME) String unitName,@Option(name="String_Node_Str",defaultValue=DEFAULT_UNIT_DESC) String unitDescription){
  PersistenceFacet jpa=project.getFacet(PersistenceFacet.class);
  PersistenceModel config=jpa.getConfig();
  PersistenceUnit unit=null;
  for (  PersistenceUnit u : config.getPersistenceUnits()) {
    if (DEFAULT_UNIT_NAME.equals(u.getName()) || (unitName != null && unitName.equals(u.getName()))) {
      unit=u;
    }
  }
  if (unit == null) {
    unit=new PersistenceUnit();
    unit.setName(unitName);
    unit.setDescription(unitDescription);
    config.getPersistenceUnits().add(unit);
  }
  unit.getProperties().clear();
  JPADataSource ds=new JPADataSource().setJndiDataSource(jtaDataSource).setDatabaseType(databaseType).setJdbcDriver(jdbcDriver).setDatabaseURL(databaseURL).setUsername(username).setPassword(password);
  PersistenceContainer container=jpac.getContainer(manager);
  PersistenceProvider provider=jpap.getProvider(manager);
  container.setupConnection(unit,ds);
  provider.setup(unit,ds);
  jpa.saveConfig(config);
}