Program: 176976
Project: 176976
Buggy source:
/** 
 * Gets the entity from document.
 * @param entityClass the entity class
 * @param m the m
 * @param document the document
 * @param relations the relations
 * @return the entity from document
 */
public Object getEntityFromDocument(Class<?> entityClass,EntityMetadata m,DBObject document,List<String> relations){
  Object entity=null;
  try {
    entity=entityClass.newInstance();
    String rowKey=(String)document.get("String_Node_Str");
    PropertyAccessorHelper.setId(entity,m,rowKey);
    List<Column> columns=m.getColumnsAsList();
    for (    Column column : columns) {
      PropertyAccessorHelper.set(entity,column.getField(),document.get(column.getName()).toString());
    }
    List<EmbeddedColumn> embeddedColumns=m.getEmbeddedColumnsAsList();
    for (    EmbeddedColumn embeddedColumn : embeddedColumns) {
      Field embeddedColumnField=embeddedColumn.getField();
      Object embeddedDocumentObject=document.get(embeddedColumnField.getName());
      if (embeddedDocumentObject != null) {
        if (embeddedDocumentObject instanceof BasicDBList) {
          Class embeddedObjectClass=PropertyAccessorHelper.getGenericClass(embeddedColumnField);
          Collection embeddedCollection=DocumentObjectMapper.getCollectionFromDocumentList((BasicDBList)embeddedDocumentObject,embeddedColumnField.getType(),embeddedObjectClass,embeddedColumn.getColumns());
          PropertyAccessorHelper.set(entity,embeddedColumnField,embeddedCollection);
        }
 else         if (embeddedDocumentObject instanceof BasicDBObject) {
          Object embeddedObject=null;
          if (embeddedColumnField.isAnnotationPresent(Embedded.class)) {
            embeddedObject=DocumentObjectMapper.getObjectFromDocument((BasicDBObject)embeddedDocumentObject,embeddedColumn.getField().getType(),embeddedColumn.getColumns());
          }
 else {
            embeddedObject=((BasicDBObject)embeddedDocumentObject).get(embeddedColumn.getName());
          }
          PropertyAccessorHelper.set(entity,embeddedColumnField,embeddedObject);
        }
 else {
          throw new PersistenceException("String_Node_Str" + "String_Node_Str");
        }
      }
    }
    if (relations != null) {
      EnhanceEntity e=null;
      Map<String,Object> relationValue=new HashMap<String,Object>();
      for (      String r : relations) {
        if (relationValue == null) {
          relationValue=new HashMap<String,Object>();
        }
        Object colValue=document.get(r);
        relationValue.put(r,colValue);
      }
      e=new EnhanceEntity(entity,PropertyAccessorHelper.getId(entity,m),relationValue);
      return e;
    }
    return entity;
  }
 catch (  InstantiationException e) {
    log.error("String_Node_Str" + entityClass + "String_Node_Str"+ e.getMessage());
    return entity;
  }
catch (  IllegalAccessException e) {
    log.error("String_Node_Str" + e.getMessage());
    return entity;
  }
catch (  PropertyAccessException e) {
    log.error("String_Node_Str" + e.getMessage());
    return entity;
  }
}

Fixed version (ground truth):
/** 
 * Gets the entity from document.
 * @param entityClass the entity class
 * @param m the m
 * @param document the document
 * @param relations the relations
 * @return the entity from document
 */
public Object getEntityFromDocument(Class<?> entityClass,EntityMetadata m,DBObject document,List<String> relations){
  Object entity=null;
  try {
    entity=entityClass.newInstance();
    String rowKey=(String)document.get("String_Node_Str");
    PropertyAccessorHelper.setId(entity,m,rowKey);
    List<Column> columns=m.getColumnsAsList();
    for (    Column column : columns) {
      setColumnValue(document,entity,column);
    }
    List<EmbeddedColumn> embeddedColumns=m.getEmbeddedColumnsAsList();
    for (    EmbeddedColumn embeddedColumn : embeddedColumns) {
      Field embeddedColumnField=embeddedColumn.getField();
      Object embeddedDocumentObject=document.get(embeddedColumnField.getName());
      if (embeddedDocumentObject != null) {
        if (embeddedDocumentObject instanceof BasicDBList) {
          Class embeddedObjectClass=PropertyAccessorHelper.getGenericClass(embeddedColumnField);
          Collection embeddedCollection=DocumentObjectMapper.getCollectionFromDocumentList((BasicDBList)embeddedDocumentObject,embeddedColumnField.getType(),embeddedObjectClass,embeddedColumn.getColumns());
          PropertyAccessorHelper.set(entity,embeddedColumnField,embeddedCollection);
        }
 else         if (embeddedDocumentObject instanceof BasicDBObject) {
          Object embeddedObject=null;
          if (embeddedColumnField.isAnnotationPresent(Embedded.class)) {
            embeddedObject=DocumentObjectMapper.getObjectFromDocument((BasicDBObject)embeddedDocumentObject,embeddedColumn.getField().getType(),embeddedColumn.getColumns());
          }
 else {
            embeddedObject=((BasicDBObject)embeddedDocumentObject).get(embeddedColumn.getName());
          }
          PropertyAccessorHelper.set(entity,embeddedColumnField,embeddedObject);
        }
 else {
          throw new PersistenceException("String_Node_Str" + "String_Node_Str");
        }
      }
    }
    if (relations != null) {
      EnhanceEntity e=null;
      Map<String,Object> relationValue=new HashMap<String,Object>();
      for (      String r : relations) {
        if (relationValue == null) {
          relationValue=new HashMap<String,Object>();
        }
        Object colValue=document.get(r);
        relationValue.put(r,colValue);
      }
      e=new EnhanceEntity(entity,PropertyAccessorHelper.getId(entity,m),relationValue);
      return e;
    }
    return entity;
  }
 catch (  InstantiationException e) {
    log.error("String_Node_Str" + entityClass + "String_Node_Str"+ e.getMessage());
    return entity;
  }
catch (  IllegalAccessException e) {
    log.error("String_Node_Str" + e.getMessage());
    return entity;
  }
catch (  PropertyAccessException e) {
    log.error("String_Node_Str" + e.getMessage());
    return entity;
  }
}