Program: 84544
Project: 84544
Buggy source:
/** 
 * Called by   {@link #doFilter(ServletRequest,ServletResponse,FilterChain)} on POST requests
 * @see org.openmrs.web.filter.StartupFilter#doPost(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)
 */
protected void doPost(HttpServletRequest httpRequest,HttpServletResponse httpResponse) throws IOException, ServletException {
  String page=httpRequest.getParameter("String_Node_Str");
  Map<String,Object> referenceMap=new HashMap<String,Object>();
  Writer writer=httpResponse.getWriter();
  if (DEFAULT_PAGE.equals(page)) {
    String username=httpRequest.getParameter("String_Node_Str");
    String password=httpRequest.getParameter("String_Node_Str");
    log.debug("String_Node_Str" + username);
    if (authenticateAsSuperUser(username,password)) {
      log.debug("String_Node_Str");
      authenticatedSuccessfully=true;
      renderTemplate(REVIEW_CHANGES,referenceMap,writer);
      return;
    }
 else {
      try {
        log.debug("String_Node_Str");
        Thread.sleep(3000);
      }
 catch (      InterruptedException e) {
        log.error("String_Node_Str",e);
        throw new IOException(e);
      }
      errors.add("String_Node_Str" + OpenmrsConstants.SUPERUSER_ROLE + "String_Node_Str");
      renderTemplate(DEFAULT_PAGE,referenceMap,writer);
      return;
    }
  }
 else   if (REVIEW_CHANGES.equals(page)) {
    if (!authenticatedSuccessfully) {
      renderTemplate(DEFAULT_PAGE,referenceMap,writer);
    }
    try {
      DatabaseUpdater.update();
    }
 catch (    InputRequiredException inputRequired) {
      log.error("String_Node_Str",inputRequired);
      errors.add("String_Node_Str" + inputRequired.getMessage());
      renderTemplate(REVIEW_CHANGES,referenceMap,writer);
      return;
    }
catch (    DatabaseUpdateException e) {
      log.error("String_Node_Str",e);
      errors.add("String_Node_Str" + e.getMessage());
      renderTemplate(REVIEW_CHANGES,referenceMap,writer);
      return;
    }
  }
  try {
    startOpenmrs(filterConfig.getServletContext());
  }
 catch (  Throwable t) {
    log.error("String_Node_Str",t);
    errors.add("String_Node_Str" + t.getMessage());
    renderTemplate(DEFAULT_PAGE,null,writer);
    return;
  }
  updatesRequired=false;
  httpResponse.sendRedirect("String_Node_Str" + WebConstants.WEBAPP_NAME);
}

Fixed version (ground truth):
/** 
 * Called by   {@link #doFilter(ServletRequest,ServletResponse,FilterChain)} on POST requests
 * @see org.openmrs.web.filter.StartupFilter#doPost(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)
 */
protected void doPost(HttpServletRequest httpRequest,HttpServletResponse httpResponse) throws IOException, ServletException {
  String page=httpRequest.getParameter("String_Node_Str");
  Map<String,Object> referenceMap=new HashMap<String,Object>();
  Writer writer=httpResponse.getWriter();
  if (DEFAULT_PAGE.equals(page)) {
    String username=httpRequest.getParameter("String_Node_Str");
    String password=httpRequest.getParameter("String_Node_Str");
    log.debug("String_Node_Str" + username);
    if (authenticateAsSuperUser(username,password)) {
      log.debug("String_Node_Str");
      authenticatedSuccessfully=true;
      renderTemplate(REVIEW_CHANGES,referenceMap,writer);
      return;
    }
 else {
      try {
        log.debug("String_Node_Str");
        Thread.sleep(3000);
      }
 catch (      InterruptedException e) {
        log.error("String_Node_Str",e);
        throw new IOException("String_Node_Str" + e.getMessage());
      }
      errors.add("String_Node_Str" + OpenmrsConstants.SUPERUSER_ROLE + "String_Node_Str");
      renderTemplate(DEFAULT_PAGE,referenceMap,writer);
      return;
    }
  }
 else   if (REVIEW_CHANGES.equals(page)) {
    if (!authenticatedSuccessfully) {
      renderTemplate(DEFAULT_PAGE,referenceMap,writer);
    }
    try {
      DatabaseUpdater.update();
    }
 catch (    InputRequiredException inputRequired) {
      log.error("String_Node_Str",inputRequired);
      errors.add("String_Node_Str" + inputRequired.getMessage());
      renderTemplate(REVIEW_CHANGES,referenceMap,writer);
      return;
    }
catch (    DatabaseUpdateException e) {
      log.error("String_Node_Str",e);
      errors.add("String_Node_Str" + e.getMessage());
      renderTemplate(REVIEW_CHANGES,referenceMap,writer);
      return;
    }
  }
  try {
    startOpenmrs(filterConfig.getServletContext());
  }
 catch (  Throwable t) {
    log.error("String_Node_Str",t);
    errors.add("String_Node_Str" + t.getMessage());
    renderTemplate(DEFAULT_PAGE,null,writer);
    return;
  }
  updatesRequired=false;
  httpResponse.sendRedirect("String_Node_Str" + WebConstants.WEBAPP_NAME);
}