Program: 118962
Project: 118962
Buggy source:
@SuppressWarnings("String_Node_Str") public Object[] getElements(Object inputElement){
  List<Job> jobs=new ArrayList<Job>();
  if (inputElement instanceof Collection) {
    for (    UpdateResult result : (List<UpdateResult>)inputElement) {
      String jobName=result.getJobInfor();
      if (jobName == null) {
        jobName=UpdatesConstants.EMPTY;
      }
      Job job=getJob(jobs,jobName);
      if (job == null) {
        job=new Job(jobName);
        Object job2=result.getJob();
        if (job2 != null) {
          if (job2 instanceof IProcess2) {
            job.setJoblet(((IProcess2)job2).disableRunJobView());
            job.setReadOnlyProcess(result.isReadOnlyProcess());
            IProcess2 process=(IProcess2)job2;
            org.talend.core.model.properties.Item processItem=process.getProperty().getItem();
            if (GlobalServiceRegister.getDefault().isServiceRegistered(IMRProcessService.class)) {
              IMRProcessService mrProcessService=(IMRProcessService)GlobalServiceRegister.getDefault().getService(IMRProcessService.class);
              boolean isMR=mrProcessService.isMapReduceItem(processItem);
              job.setMR(isMR);
            }
 else             if (processItem instanceof ProcessItem) {
              job.setJoblet(false);
              job.setMR(false);
            }
 else             if (processItem instanceof JobletProcessItem) {
              job.setJoblet(true);
            }
          }
        }
 else {
          job.setJoblet(result.isJoblet());
          job.setMR(result.isMR());
        }
        jobs.add(job);
      }
      Category category=job.getCategory(result.getCategory());
      if (category == null) {
        category=new Category(job,result.getCategory());
        category.setType(result.getUpdateType());
        if (result.getUpdateObject() instanceof Node) {
          category.setNode((Node)result.getUpdateObject());
        }
        if (result.getUpdateObject() instanceof NodeType) {
          category.setNode((NodeType)result.getUpdateObject());
        }
        if (result.getUpdateObject() instanceof List) {
          List list=(List)result.getUpdateObject();
          if (list.size() > 0) {
            Object object=list.get(0);
            if (object instanceof Node) {
              category.setNode((Node)object);
            }
          }
        }
        job.addCategory(category);
      }
      Item item=new Item(category,result);
      category.addItem(item);
    }
  }
  return jobs.toArray();
}

Fixed version (ground truth):
@Override @SuppressWarnings("String_Node_Str") public Object[] getElements(Object inputElement){
  List<Job> jobs=new ArrayList<Job>();
  if (inputElement instanceof Collection) {
    for (    UpdateResult result : (List<UpdateResult>)inputElement) {
      String jobName=result.getJobInfor();
      if (jobName == null) {
        jobName=UpdatesConstants.EMPTY;
      }
      Job job=getJob(jobs,jobName);
      if (job == null) {
        job=new Job(jobName);
        Object job2=result.getJob();
        if (job2 != null) {
          if (job2 instanceof IProcess2) {
            job.setJoblet(((IProcess2)job2).disableRunJobView());
            job.setReadOnlyProcess(result.isReadOnlyProcess());
            IProcess2 process=(IProcess2)job2;
            org.talend.core.model.properties.Item processItem=process.getProperty().getItem();
            job.setModelItem(processItem);
            if (GlobalServiceRegister.getDefault().isServiceRegistered(IMRProcessService.class)) {
              IMRProcessService mrProcessService=(IMRProcessService)GlobalServiceRegister.getDefault().getService(IMRProcessService.class);
              boolean isMR=mrProcessService.isMapReduceItem(processItem);
              job.setMR(isMR);
            }
 else             if (processItem instanceof ProcessItem) {
              job.setJoblet(false);
              job.setMR(false);
            }
 else             if (processItem instanceof JobletProcessItem) {
              job.setJoblet(true);
            }
          }
        }
 else {
          Object updateObject=result.getUpdateObject();
          if (updateObject instanceof Node) {
            IProcess process=((Node)updateObject).getProcess();
            if (process instanceof IProcess2) {
              IProcess2 process2=(IProcess2)process;
              Property property=process2.getProperty();
              if (property != null) {
                org.talend.core.model.properties.Item processItem=property.getItem();
                job.setModelItem(processItem);
              }
            }
          }
          job.setJoblet(result.isJoblet());
          job.setMR(result.isMR());
        }
        jobs.add(job);
      }
      Category category=job.getCategory(result.getCategory());
      if (category == null) {
        category=new Category(job,result.getCategory());
        category.setType(result.getUpdateType());
        if (result.getUpdateObject() instanceof Node) {
          category.setNode(result.getUpdateObject());
        }
        if (result.getUpdateObject() instanceof NodeType) {
          category.setNode(result.getUpdateObject());
        }
        if (result.getUpdateObject() instanceof List) {
          List list=(List)result.getUpdateObject();
          if (list.size() > 0) {
            Object object=list.get(0);
            if (object instanceof Node) {
              category.setNode(object);
            }
          }
        }
        job.addCategory(category);
      }
      Item item=new Item(category,result);
      category.addItem(item);
    }
  }
  return jobs.toArray();
}