Program: 118230
Project: 118230
Buggy source:
@Override protected void updateJobInfor(){
  if (getJob() != null) {
    String jobInfor=null;
    if (getJob() instanceof IProcess2) {
      Property property=((IProcess2)getJob()).getProperty();
      jobInfor=RepositoryUpdateManager.getUpdateJobInfor(property);
      org.talend.core.model.properties.Item item=property.getItem();
      if (item instanceof JobletProcessItem) {
        isJoblet=true;
      }
 else       if (GlobalServiceRegister.getDefault().isServiceRegistered(IMRProcessService.class)) {
        IMRProcessService mrProcessService=(IMRProcessService)GlobalServiceRegister.getDefault().getService(IMRProcessService.class);
        isMR=mrProcessService.isMapReduceItem(item);
      }
      if (GlobalServiceRegister.getDefault().isServiceRegistered(IStormProcessService.class)) {
        IStormProcessService streamingService=(IStormProcessService)GlobalServiceRegister.getDefault().getService(IStormProcessService.class);
        isStreaming=streamingService.isStormItem(item);
      }
    }
    if (getJob() instanceof org.talend.core.model.properties.Item) {
      jobInfor=RepositoryUpdateManager.getUpdateJobInfor(((org.talend.core.model.properties.Item)getJob()).getProperty());
      if (getJob() instanceof JobletProcessItem) {
        isJoblet=true;
      }
 else       if (GlobalServiceRegister.getDefault().isServiceRegistered(IMRProcessService.class)) {
        IMRProcessService mrProcessService=(IMRProcessService)GlobalServiceRegister.getDefault().getService(IMRProcessService.class);
        isMR=mrProcessService.isMapReduceItem((org.talend.core.model.properties.Item)getJob());
      }
      if (GlobalServiceRegister.getDefault().isServiceRegistered(IStormProcessService.class)) {
        IStormProcessService streamingService=(IStormProcessService)GlobalServiceRegister.getDefault().getService(IStormProcessService.class);
        isStreaming=streamingService.isStormItem((org.talend.core.model.properties.Item)getJob());
      }
    }
    String others=null;
    if (isFromItem()) {
      others=UpdatesConstants.START;
    }
    if (jobInfor != null) {
      this.jobInfor=jobInfor + UpdatesConstants.SPACE + UpdateManagerUtils.addBrackets(others);
      return;
    }
  }
}

Fixed version (ground truth):
@Override protected void updateJobInfor(){
  if (getJob() != null) {
    String jobInfor=null;
    if (getJob() instanceof IProcess2) {
      Property property=((IProcess2)getJob()).getProperty();
      jobInfor=RepositoryUpdateManager.getUpdateJobInfor(property);
      org.talend.core.model.properties.Item item=property.getItem();
      if (item instanceof JobletProcessItem) {
        handleJoblet(item);
      }
 else       if (GlobalServiceRegister.getDefault().isServiceRegistered(IMRProcessService.class)) {
        IMRProcessService mrProcessService=(IMRProcessService)GlobalServiceRegister.getDefault().getService(IMRProcessService.class);
        isMR=mrProcessService.isMapReduceItem(item);
      }
      if (GlobalServiceRegister.getDefault().isServiceRegistered(IStormProcessService.class)) {
        IStormProcessService streamingService=(IStormProcessService)GlobalServiceRegister.getDefault().getService(IStormProcessService.class);
        isStreaming=streamingService.isStormItem(item);
      }
    }
    if (getJob() instanceof org.talend.core.model.properties.Item) {
      jobInfor=RepositoryUpdateManager.getUpdateJobInfor(((org.talend.core.model.properties.Item)getJob()).getProperty());
      if (getJob() instanceof JobletProcessItem) {
        handleJoblet((JobletProcessItem)getJob());
      }
 else       if (GlobalServiceRegister.getDefault().isServiceRegistered(IMRProcessService.class)) {
        IMRProcessService mrProcessService=(IMRProcessService)GlobalServiceRegister.getDefault().getService(IMRProcessService.class);
        isMR=mrProcessService.isMapReduceItem((org.talend.core.model.properties.Item)getJob());
      }
      if (GlobalServiceRegister.getDefault().isServiceRegistered(IStormProcessService.class)) {
        IStormProcessService streamingService=(IStormProcessService)GlobalServiceRegister.getDefault().getService(IStormProcessService.class);
        isStreaming=streamingService.isStormItem((org.talend.core.model.properties.Item)getJob());
      }
    }
    String others=null;
    if (isFromItem()) {
      others=UpdatesConstants.START;
    }
    if (jobInfor != null) {
      this.jobInfor=jobInfor + UpdatesConstants.SPACE + UpdateManagerUtils.addBrackets(others);
      return;
    }
  }
}