Program: 118273
Project: 118273
Buggy source:
@Override public ExecutionResult execute(Item item){
  ComponentService service=ComponentsUtils.getComponentService();
  Properties props=getPropertiesFromFile();
  if (item instanceof ConnectionItem) {
    boolean modify=false;
    GenericConnectionItem genericConnectionItem=null;
    ConnectionItem connectionItem=(ConnectionItem)item;
    Connection connection=connectionItem.getConnection();
    genericConnectionItem=initGenericConnectionItem(connectionItem);
    genericConnectionItem.setTypeName(TYPE_NAME);
    GenericConnection genericConnection=initGenericConnection(connection);
    initProperty(connectionItem,genericConnectionItem);
    ComponentWizard componentWizard=service.getComponentWizard(TYPE_NAME,genericConnectionItem.getProperty().getId());
    ComponentProperties componentProperties=(ComponentProperties)componentWizard.getForms().get(0).getProperties();
    componentProperties.init();
    modify=updateComponentProperties(connection,componentProperties,props);
    NamedThing nt=componentProperties.getProperty("String_Node_Str");
    if (nt instanceof Property) {
      Property property=(Property)nt;
      if ("String_Node_Str".equals(property.getStoredValue())) {
        List<?> propertyPossibleValues=property.getPossibleValues();
        Object newValue=null;
        if (propertyPossibleValues != null) {
          for (          Object possibleValue : propertyPossibleValues) {
            if (possibleValue.toString().equals("String_Node_Str")) {
              newValue=possibleValue;
              break;
            }
          }
        }
        if (newValue == null) {
          newValue=propertyPossibleValues.get(0);
        }
        property.setValue(newValue);
        Property<?> endpoint=componentProperties.getValuedProperty("String_Node_Str");
        SalesforceSchemaConnection sfConnection=(SalesforceSchemaConnection)connection;
        componentProperties.setValue("String_Node_Str",sfConnection.getWebServiceUrlTextForOAuth());
      }
    }
    componentProperties.setValue("String_Node_Str","String_Node_Str");
    Property property=componentProperties.getValuedProperty("String_Node_Str");
    property.setTaggedValue(IGenericConstants.REPOSITORY_VALUE,"String_Node_Str");
    genericConnection.setCompProperties(componentProperties.toSerialized());
    genericConnectionItem.setConnection(genericConnection);
    updateMetadataTable(connection,genericConnection,componentProperties);
    if (modify) {
      try {
        ProxyRepositoryFactory factory=ProxyRepositoryFactory.getInstance();
        IRepositoryViewObject object=factory.getLastVersion(item.getProperty().getId(),ERepositoryObjectType.METADATA_SALESFORCE_SCHEMA.getFolder(),ERepositoryObjectType.METADATA_SALESFORCE_SCHEMA);
        if (object != null) {
          factory.deleteObjectPhysical(object);
        }
        if (genericConnectionItem != null && connectionItem != null) {
          factory.create(genericConnectionItem,new Path(connectionItem.getState().getPath()),true);
        }
        return ExecutionResult.SUCCESS_WITH_ALERT;
      }
 catch (      Exception e) {
        ExceptionHandler.process(e);
        return ExecutionResult.FAILURE;
      }
    }
  }
  return ExecutionResult.NOTHING_TO_DO;
}

Fixed version (ground truth):
@Override public ExecutionResult execute(Item item){
  ComponentService service=ComponentsUtils.getComponentService();
  Properties props=getPropertiesFromFile();
  if (item instanceof ConnectionItem) {
    boolean modify=false;
    GenericConnectionItem genericConnectionItem=null;
    ConnectionItem connectionItem=(ConnectionItem)item;
    Connection connection=connectionItem.getConnection();
    genericConnectionItem=initGenericConnectionItem(connectionItem);
    genericConnectionItem.setTypeName(TYPE_NAME);
    GenericConnection genericConnection=initGenericConnection(connection);
    initProperty(connectionItem,genericConnectionItem);
    ComponentWizard componentWizard=service.getComponentWizard(TYPE_NAME,genericConnectionItem.getProperty().getId());
    ComponentProperties componentProperties=(ComponentProperties)componentWizard.getForms().get(0).getProperties();
    componentProperties.init();
    modify=updateComponentProperties(connection,componentProperties,props);
    NamedThing nt=componentProperties.getProperty("String_Node_Str");
    if (nt instanceof Property) {
      Property property=(Property)nt;
      if ("String_Node_Str".equals(property.getStoredValue())) {
        List<?> propertyPossibleValues=property.getPossibleValues();
        Object newValue=null;
        if (propertyPossibleValues != null) {
          for (          Object possibleValue : propertyPossibleValues) {
            if (possibleValue.toString().equals("String_Node_Str")) {
              newValue=possibleValue;
              break;
            }
          }
        }
        if (newValue == null) {
          newValue=propertyPossibleValues.get(0);
        }
        property.setValue(newValue);
        Property<?> endpoint=componentProperties.getValuedProperty("String_Node_Str");
        SalesforceSchemaConnection sfConnection=(SalesforceSchemaConnection)connection;
        componentProperties.setValue("String_Node_Str",sfConnection.getWebServiceUrlTextForOAuth());
      }
      if (GenericTypeUtils.isEnumType(property)) {
        List<?> propertyPossibleValues=((Property<?>)property).getPossibleValues();
        if (propertyPossibleValues != null) {
          for (          Object possibleValue : propertyPossibleValues) {
            if (possibleValue.toString().equals(property.getStoredValue())) {
              property.setStoredValue(possibleValue);
              break;
            }
          }
        }
      }
    }
    componentProperties.setValue("String_Node_Str","String_Node_Str");
    Property property=componentProperties.getValuedProperty("String_Node_Str");
    property.setTaggedValue(IGenericConstants.REPOSITORY_VALUE,"String_Node_Str");
    genericConnection.setCompProperties(componentProperties.toSerialized());
    genericConnectionItem.setConnection(genericConnection);
    updateMetadataTable(connection,genericConnection,componentProperties);
    if (modify) {
      try {
        ProxyRepositoryFactory factory=ProxyRepositoryFactory.getInstance();
        IRepositoryViewObject object=factory.getLastVersion(item.getProperty().getId(),ERepositoryObjectType.METADATA_SALESFORCE_SCHEMA.getFolder(),ERepositoryObjectType.METADATA_SALESFORCE_SCHEMA);
        if (object != null) {
          factory.deleteObjectPhysical(object);
        }
        if (genericConnectionItem != null && connectionItem != null) {
          factory.create(genericConnectionItem,new Path(connectionItem.getState().getPath()),true);
        }
        return ExecutionResult.SUCCESS_WITH_ALERT;
      }
 catch (      Exception e) {
        ExceptionHandler.process(e);
        return ExecutionResult.FAILURE;
      }
    }
  }
  return ExecutionResult.NOTHING_TO_DO;
}