Program: 117816
Project: 117816
Buggy source:
/** 
 * This methods adds a   {@link org.talend.core.model.process.Problem} to the tRunJob if the box"Use an indenpendent process" is not checked for a target Big Data job. DOC rdubois Comment method "checkTRunjobwithMRProcess".
 */
private void checkTRunjobwithMRProcess(){
  if (getComponent() != null && "String_Node_Str".equals(getComponent().getName())) {
    boolean targetIsBigdata=false;
    String bigDataType="String_Node_Str";
    try {
      boolean isStormServiceRegistered=GlobalServiceRegister.getDefault().isServiceRegistered(IStormProcessService.class);
      boolean isMRServiceRegistered=GlobalServiceRegister.getDefault().isServiceRegistered(IMRProcessService.class);
      if (isStormServiceRegistered || isMRServiceRegistered) {
        IElementParameter elementParameter=getElementParameter("String_Node_Str");
        if (elementParameter != null) {
          Object value=elementParameter.getValue();
          if (value != null && !"String_Node_Str".equals(value)) {
            IRepositoryViewObject lastVersion;
            lastVersion=DesignerPlugin.getDefault().getRepositoryService().getProxyRepositoryFactory().getLastVersion(value.toString());
            if (lastVersion != null) {
              if (isMRServiceRegistered) {
                if (((IMRProcessService)GlobalServiceRegister.getDefault().getService(IMRProcessService.class)).isMapReduceItem(lastVersion.getProperty().getItem())) {
                  targetIsBigdata=true;
                  bigDataType="String_Node_Str";
                }
              }
              if (isStormServiceRegistered) {
                if (((IStormProcessService)GlobalServiceRegister.getDefault().getService(IStormProcessService.class)).isStormItem(lastVersion.getProperty().getItem())) {
                  targetIsBigdata=true;
                  bigDataType="String_Node_Str";
                }
              }
            }
          }
        }
      }
    }
 catch (    PersistenceException e) {
      ExceptionHandler.process(e);
    }
    if (targetIsBigdata) {
      IElementParameter indepedentElement=getElementParameter("String_Node_Str");
      if (indepedentElement != null) {
        if (!indepedentElement.isShow(getElementParameters()) || !Boolean.valueOf(String.valueOf(indepedentElement.getValue()))) {
          String message=Messages.getString("String_Node_Str",indepedentElement.getDisplayName(),bigDataType);
          Problems.add(ProblemStatus.ERROR,this,message);
        }
      }
    }
  }
}

Fixed version (ground truth):
/** 
 * This methods adds a   {@link org.talend.core.model.process.Problem} to the tRunJob if the box "Use an indenpendentprocess" is not checked for a target Big Data job. DOC rdubois Comment method "checkTRunjobwithMRProcess".
 */
private void checkTRunjobwithMRProcess(){
  if (getComponent() != null && "String_Node_Str".equals(getComponent().getName())) {
    boolean targetIsBigdata=false;
    String bigDataType="String_Node_Str";
    try {
      boolean isStormServiceRegistered=GlobalServiceRegister.getDefault().isServiceRegistered(IStormProcessService.class);
      boolean isMRServiceRegistered=GlobalServiceRegister.getDefault().isServiceRegistered(IMRProcessService.class);
      if (isStormServiceRegistered || isMRServiceRegistered) {
        IElementParameter elementParameter=getElementParameter("String_Node_Str");
        if (elementParameter != null) {
          Object value=elementParameter.getValue();
          if (value != null && !"String_Node_Str".equals(value)) {
            IRepositoryViewObject lastVersion;
            lastVersion=DesignerPlugin.getDefault().getRepositoryService().getProxyRepositoryFactory().getLastVersion(value.toString());
            if (lastVersion != null) {
              if (isMRServiceRegistered) {
                if (((IMRProcessService)GlobalServiceRegister.getDefault().getService(IMRProcessService.class)).isMapReduceItem(lastVersion.getProperty().getItem())) {
                  targetIsBigdata=true;
                  bigDataType="String_Node_Str";
                }
              }
              if (isStormServiceRegistered) {
                if (((IStormProcessService)GlobalServiceRegister.getDefault().getService(IStormProcessService.class)).isStormItem(lastVersion.getProperty().getItem())) {
                  targetIsBigdata=true;
                  bigDataType="String_Node_Str";
                }
              }
            }
          }
        }
      }
    }
 catch (    PersistenceException e) {
      ExceptionHandler.process(e);
    }
    if (targetIsBigdata) {
      IElementParameter indepedentElement=getElementParameter("String_Node_Str");
      if (indepedentElement != null) {
        if (!indepedentElement.isShow(getElementParameters()) || !Boolean.valueOf(String.valueOf(indepedentElement.getValue()))) {
          String message=Messages.getString("String_Node_Str",indepedentElement.getDisplayName(),bigDataType);
          Problems.add(ProblemStatus.ERROR,this,message);
        }
      }
    }
  }
}