Program: 115264
Project: 115264
Buggy source:
protected Element invokeInternal(Element requestElement,Document document) throws Exception {
  System.out.println("String_Node_Str");
  SubjectBean finalSubjectBean=new SubjectBean();
  finalSubjectBean.setLabel("String_Node_Str");
  NodeList subjects=requestElement.getElementsByTagNameNS(CONNECTOR_NAMESPACE_V1,"String_Node_Str");
  try {
    if (subjects.getLength() > 0) {
      System.out.println("String_Node_Str" + subjects.getLength());
      logNodeList(subjects);
      for (int i=0; i < subjects.getLength(); i++) {
        Node childNode=subjects.item(i);
        UserAccountBean user=this.getUserAccount();
        Role r=user.getActiveStudyRole();
        if (r != null && (r.equals(Role.COORDINATOR) || r.equals(Role.STUDYDIRECTOR) || r.equals(Role.INVESTIGATOR)|| r.equals(Role.RESEARCHASSISTANT)|| r.equals(Role.ADMIN))) {
        }
 else {
          throw new CCSystemFaultException("String_Node_Str");
        }
        RegisterSubjectBean subjectBean=subjectService.generateSubjectBean(user,childNode);
        NodeList performedMilestones=requestElement.getElementsByTagNameNS(CONNECTOR_NAMESPACE_V1,"String_Node_Str");
        if (performedMilestones.getLength() > 0) {
          for (int j=0; j < performedMilestones.getLength(); j++) {
            Node milestone=performedMilestones.item(j);
            subjectBean=subjectService.attachStudyIdentifiers(subjectBean,milestone);
          }
        }
        StudyBean studyBean=new StudyBean();
        StudyBean siteBean=new StudyBean();
        if (subjectBean.getSiteUniqueIdentifier() != null) {
          siteBean=getStudyDao().findByUniqueIdentifier(subjectBean.getSiteUniqueIdentifier());
        }
        studyBean=getStudyDao().findByUniqueIdentifier(subjectBean.getStudyUniqueIdentifier());
        if (studyBean.getId() <= 0) {
          throw new CCBusinessFaultException("String_Node_Str");
        }
        if (siteBean.getId() > 0) {
          if ((siteBean.getParentStudyId() != studyBean.getId()) && (siteBean.getParentStudyId() != 0)) {
            throw new CCBusinessFaultException("String_Node_Str" + "String_Node_Str");
          }
          studyBean=siteBean;
        }
        finalSubjectBean=subjectService.generateSubjectBean(subjectBean);
        SubjectBean testSubjectBean=getSubjectDao().findByUniqueIdentifier(subjectBean.getUniqueIdentifier());
        if (testSubjectBean.getId() > 0) {
          throw new CCBusinessFaultException("String_Node_Str" + subjectBean.getUniqueIdentifier() + "String_Node_Str");
        }
        finalSubjectBean=getSubjectDao().create(finalSubjectBean);
        StudySubjectBean studySubjectBean=subjectService.generateStudySubjectBean(subjectBean,finalSubjectBean,studyBean);
        studySubjectBean=getStudySubjectDao().create(studySubjectBean,false);
        System.out.println("String_Node_Str");
      }
    }
    return mapConfirmation(finalSubjectBean.getLabel());
  }
 catch (  Exception npe) {
    npe.printStackTrace();
    if (npe.getClass().getName().startsWith("String_Node_Str")) {
      System.out.println("String_Node_Str" + npe.getClass().getName());
      OpenClinicaException ope=(OpenClinicaException)npe;
      return mapErrorConfirmation("String_Node_Str",ope);
    }
 else {
      System.out.println("String_Node_Str" + npe.getClass().getName());
      return mapErrorConfirmation(npe.getMessage());
    }
  }
}

Fixed version (ground truth):
protected Element invokeInternal(Element requestElement,Document document) throws Exception {
  System.out.println("String_Node_Str");
  SubjectBean finalSubjectBean=new SubjectBean();
  finalSubjectBean.setLabel("String_Node_Str");
  NodeList subjects=requestElement.getElementsByTagNameNS(CONNECTOR_NAMESPACE_V1,"String_Node_Str");
  try {
    if (subjects.getLength() > 0) {
      System.out.println("String_Node_Str" + subjects.getLength());
      logNodeList(subjects);
      for (int i=0; i < subjects.getLength(); i++) {
        Node childNode=subjects.item(i);
        UserAccountBean user=this.getUserAccount();
        Role r=user.getActiveStudyRole();
        if (r != null && (r.equals(Role.COORDINATOR) || r.equals(Role.STUDYDIRECTOR) || r.equals(Role.INVESTIGATOR)|| r.equals(Role.RESEARCHASSISTANT)|| r.equals(Role.ADMIN))) {
        }
 else {
          throw new CCSystemFaultException("String_Node_Str");
        }
        RegisterSubjectBean subjectBean=subjectService.generateSubjectBean(user,childNode);
        NodeList performedMilestones=requestElement.getElementsByTagNameNS(CONNECTOR_NAMESPACE_V1,"String_Node_Str");
        if (performedMilestones.getLength() > 0) {
          for (int j=0; j < performedMilestones.getLength(); j++) {
            Node milestone=performedMilestones.item(j);
            subjectBean=subjectService.attachStudyIdentifiers(subjectBean,milestone);
          }
        }
        StudyBean studyBean=new StudyBean();
        StudyBean siteBean=new StudyBean();
        if (subjectBean.getSiteUniqueIdentifier() != null) {
          siteBean=getStudyDao().findByUniqueIdentifier(subjectBean.getSiteUniqueIdentifier());
        }
        studyBean=getStudyDao().findByUniqueIdentifier(subjectBean.getStudyUniqueIdentifier());
        if (studyBean.getId() <= 0) {
          throw new CCBusinessFaultException("String_Node_Str");
        }
        if (siteBean.getId() > 0) {
          if ((siteBean.getParentStudyId() != studyBean.getId()) && (siteBean.getParentStudyId() != 0)) {
            throw new CCBusinessFaultException("String_Node_Str" + "String_Node_Str");
          }
          studyBean=siteBean;
        }
        finalSubjectBean=subjectService.generateSubjectBean(subjectBean);
        SubjectBean testSubjectBean=getSubjectDao().findByUniqueIdentifier(subjectBean.getUniqueIdentifier());
        if (testSubjectBean.getId() > 0) {
          throw new CCBusinessFaultException("String_Node_Str" + subjectBean.getUniqueIdentifier() + "String_Node_Str");
        }
        StudySubjectBean testStudySubjectBean=getStudySubjectDao().findByLabelAndStudy(subjectBean.getStudySubjectLabel(),studyBean);
        if (testStudySubjectBean.getId() > 0) {
          throw new CCBusinessFaultException("String_Node_Str" + subjectBean.getStudySubjectLabel() + "String_Node_Str");
        }
        finalSubjectBean=getSubjectDao().create(finalSubjectBean);
        StudySubjectBean studySubjectBean=subjectService.generateStudySubjectBean(subjectBean,finalSubjectBean,studyBean);
        studySubjectBean=getStudySubjectDao().create(studySubjectBean,false);
        System.out.println("String_Node_Str");
      }
    }
    return mapConfirmation(finalSubjectBean.getLabel());
  }
 catch (  Exception npe) {
    npe.printStackTrace();
    if (npe.getClass().getName().startsWith("String_Node_Str")) {
      System.out.println("String_Node_Str" + npe.getClass().getName());
      OpenClinicaException ope=(OpenClinicaException)npe;
      return mapErrorConfirmation("String_Node_Str",ope);
    }
 else {
      System.out.println("String_Node_Str" + npe.getClass().getName());
      return mapErrorConfirmation(npe.getMessage());
    }
  }
}