Program: 39343
Project: 39343
Buggy source:
private DataDefinition getDataDefinition(final XMLStreamReader reader,final String pluginIdentifier) throws XMLStreamException {
  DataDefinitionImpl dataDefinition=getModelDefinition(reader,pluginIdentifier);
  LOG.info("String_Node_Str" + dataDefinition);
  while (reader.hasNext() && reader.next() > 0) {
    if (isTagEnded(reader,TAG_MODEL)) {
      break;
    }
    if (TAG_FIELDS.equals(getTagStarted(reader))) {
      while (reader.hasNext() && reader.next() > 0) {
        if (isTagEnded(reader,TAG_FIELDS)) {
          break;
        }
        String tag=getTagStarted(reader);
        if (tag == null) {
          continue;
        }
        addFieldElement(reader,pluginIdentifier,dataDefinition,tag);
      }
    }
    if (TAG_HOOKS.equals(getTagStarted(reader))) {
      while (reader.hasNext() && reader.next() > 0) {
        if (isTagEnded(reader,TAG_HOOKS)) {
          break;
        }
        String tag=getTagStarted(reader);
        if (tag == null) {
          continue;
        }
        addHookElement(reader,pluginIdentifier,dataDefinition,tag);
      }
    }
    String tag=getTagStarted(reader);
    if (tag == null) {
      continue;
    }
    addOtherElement(reader,pluginIdentifier,dataDefinition,tag);
  }
  for (  EntityHookDefinition hook : dataDefinition.getViewHooks()) {
    hook.initialize(dataDefinition);
  }
  for (  EntityHookDefinition hook : dataDefinition.getCopyHooks()) {
    hook.initialize(dataDefinition);
  }
  for (  EntityHookDefinition hook : dataDefinition.getSaveHooks()) {
    hook.initialize(dataDefinition);
  }
  for (  EntityHookDefinition hook : dataDefinition.getUpdateHooks()) {
    hook.initialize(dataDefinition);
  }
  for (  EntityHookDefinition hook : dataDefinition.getCreateHooks()) {
    hook.initialize(dataDefinition);
  }
  for (  EntityHookDefinition hook : dataDefinition.getValidators()) {
    hook.initialize(dataDefinition);
  }
  for (  FieldDefinition field : dataDefinition.getFields().values()) {
    for (    FieldHookDefinition hook : ((FieldDefinitionImpl)field).getValidators()) {
      hook.initialize(dataDefinition,field);
    }
  }
  dataDefinitionService.save(dataDefinition);
  return dataDefinition;
}

Fixed version (ground truth):
private DataDefinition getDataDefinition(final XMLStreamReader reader,final String pluginIdentifier) throws XMLStreamException {
  DataDefinitionImpl dataDefinition=getModelDefinition(reader,pluginIdentifier);
  LOG.info("String_Node_Str" + dataDefinition);
  while (reader.hasNext() && reader.next() > 0) {
    if (isTagEnded(reader,TAG_MODEL)) {
      break;
    }
    if (TAG_FIELDS.equals(getTagStarted(reader))) {
      while (reader.hasNext() && reader.next() > 0) {
        if (isTagEnded(reader,TAG_FIELDS)) {
          break;
        }
        String tag=getTagStarted(reader);
        if (tag == null) {
          continue;
        }
        addFieldElement(reader,dataDefinition,tag);
      }
    }
    if (TAG_HOOKS.equals(getTagStarted(reader))) {
      while (reader.hasNext() && reader.next() > 0) {
        if (isTagEnded(reader,TAG_HOOKS)) {
          break;
        }
        String tag=getTagStarted(reader);
        if (tag == null) {
          continue;
        }
        addHookElement(reader,dataDefinition,tag);
      }
    }
    String tag=getTagStarted(reader);
    if (tag == null) {
      continue;
    }
    addOtherElement(reader,dataDefinition,tag);
  }
  for (  EntityHookDefinition hook : dataDefinition.getViewHooks()) {
    hook.initialize(dataDefinition);
  }
  for (  EntityHookDefinition hook : dataDefinition.getCopyHooks()) {
    hook.initialize(dataDefinition);
  }
  for (  EntityHookDefinition hook : dataDefinition.getSaveHooks()) {
    hook.initialize(dataDefinition);
  }
  for (  EntityHookDefinition hook : dataDefinition.getUpdateHooks()) {
    hook.initialize(dataDefinition);
  }
  for (  EntityHookDefinition hook : dataDefinition.getCreateHooks()) {
    hook.initialize(dataDefinition);
  }
  for (  EntityHookDefinition hook : dataDefinition.getValidators()) {
    hook.initialize(dataDefinition);
  }
  for (  FieldDefinition field : dataDefinition.getFields().values()) {
    for (    FieldHookDefinition hook : ((FieldDefinitionImpl)field).getValidators()) {
      hook.initialize(dataDefinition,field);
    }
  }
  dataDefinitionService.save(dataDefinition);
  return dataDefinition;
}