Program: 42896
Project: 42896
Buggy source:
@Override public CommandResponse execute(final RsCheckAccessParams params) throws Exception {
  validate(params);
  SiteConfiguration site=getSite();
  UmaResource resource=site.umaResource(params.getPath(),params.getHttpMethod());
  if (resource == null) {
    final ErrorResponse error=new ErrorResponse("String_Node_Str");
    error.setErrorDescription("String_Node_Str" + params.getPath() + "String_Node_Str"+ params.getHttpMethod()+ "String_Node_Str"+ Configuration.DOC_URL);
    LOG.error(error.getErrorDescription());
    return CommandResponse.error().setData(new POJONode(error));
  }
  PatProvider patProvider=new PatProvider(){
    @Override public String getPatToken(){
      return getUmaTokenService().getPat(params.getOxdId()).getToken();
    }
    @Override public void clearPat(){
    }
  }
;
  final RptStatusService registrationService=UmaClientFactory.instance().createRptStatusService(getDiscoveryService().getUmaDiscoveryByOxdId(params.getOxdId()),getHttpService().getClientExecutor());
  final RptIntrospectionResponse status=registrationService.requestRptStatus("String_Node_Str" + patProvider.getPatToken(),params.getRpt(),"String_Node_Str");
  final boolean isGat=RptPreProcessInterceptor.isGat(params.getRpt());
  if (!Strings.isNullOrEmpty(params.getRpt()) && status != null && status.getActive() && status.getPermissions() != null) {
    for (    UmaPermission permission : status.getPermissions()) {
      final List<String> requiredScopes=resource.getScopes();
      boolean containsAny=!Collections.disjoint(requiredScopes,permission.getScopes());
      if (containsAny) {
        if (isGat) {
          LOG.debug("String_Node_Str" + params.getPath() + "String_Node_Str"+ params.getHttpMethod()+ "String_Node_Str"+ site);
          return okResponse(new RsCheckAccessResponse("String_Node_Str"));
        }
        if ((permission.getResourceSetId() != null && permission.getResourceSetId().equals(resource.getId()))) {
          LOG.debug("String_Node_Str" + params.getPath() + "String_Node_Str"+ params.getHttpMethod()+ "String_Node_Str"+ site);
          return okResponse(new RsCheckAccessResponse("String_Node_Str"));
        }
      }
    }
  }
  List<String> scopes=resource.getTicketScopes();
  if (scopes.isEmpty()) {
    scopes=resource.getScopes();
  }
  final RptPreProcessInterceptor rptInterceptor=new RptPreProcessInterceptor(new ResourceRegistrar(patProvider,new ServiceProvider(site.getOpHost())));
  final ServerResponse response=(ServerResponse)rptInterceptor.registerTicketResponse(scopes,resource.getId());
  RsCheckAccessResponse opResponse=new RsCheckAccessResponse("String_Node_Str");
  opResponse.setWwwAuthenticateHeader((String)response.getMetadata().getFirst("String_Node_Str"));
  opResponse.setTicket((String)response.getEntity());
  LOG.debug("String_Node_Str" + params.getPath() + "String_Node_Str"+ params.getHttpMethod()+ "String_Node_Str"+ opResponse);
  return okResponse(opResponse);
}

Fixed version (ground truth):
@Override public CommandResponse execute(final RsCheckAccessParams params) throws Exception {
  validate(params);
  SiteConfiguration site=getSite();
  UmaResource resource=site.umaResource(params.getPath(),params.getHttpMethod());
  if (resource == null) {
    final ErrorResponse error=new ErrorResponse("String_Node_Str");
    error.setErrorDescription("String_Node_Str" + params.getPath() + "String_Node_Str"+ params.getHttpMethod()+ "String_Node_Str"+ Configuration.DOC_URL);
    LOG.error(error.getErrorDescription());
    return CommandResponse.error().setData(new POJONode(error));
  }
  PatProvider patProvider=new PatProvider(){
    @Override public String getPatToken(){
      return getUmaTokenService().getPat(params.getOxdId()).getToken();
    }
    @Override public void clearPat(){
    }
  }
;
  final RptStatusService registrationService=UmaClientFactory.instance().createRptStatusService(getDiscoveryService().getUmaDiscoveryByOxdId(params.getOxdId()),getHttpService().getClientExecutor());
  final RptIntrospectionResponse status=registrationService.requestRptStatus("String_Node_Str" + patProvider.getPatToken(),params.getRpt(),"String_Node_Str");
  final boolean isGat=RptPreProcessInterceptor.isGat(params.getRpt());
  if (!Strings.isNullOrEmpty(params.getRpt()) && status != null && status.getActive() && status.getPermissions() != null) {
    for (    UmaPermission permission : status.getPermissions()) {
      final List<String> requiredScopes=resource.getScopes();
      boolean containsAny=!Collections.disjoint(requiredScopes,permission.getScopes());
      if (containsAny) {
        if (isGat) {
          LOG.debug("String_Node_Str" + params.getPath() + "String_Node_Str"+ params.getHttpMethod()+ "String_Node_Str"+ site);
          return okResponse(new RsCheckAccessResponse("String_Node_Str"));
        }
        if ((permission.getResourceSetId() != null && permission.getResourceSetId().equals(resource.getId()))) {
          LOG.debug("String_Node_Str" + params.getPath() + "String_Node_Str"+ params.getHttpMethod()+ "String_Node_Str"+ site);
          return okResponse(new RsCheckAccessResponse("String_Node_Str"));
        }
      }
    }
  }
  List<String> scopes=resource.getTicketScopes();
  if (scopes.isEmpty()) {
    scopes=resource.getScopes();
  }
  final RptPreProcessInterceptor rptInterceptor=new RptPreProcessInterceptor(new ResourceRegistrar(patProvider,new ServiceProvider(site.getOpHost())));
  final ServerResponse response=(ServerResponse)rptInterceptor.registerTicketResponse(scopes,resource.getId());
  RsCheckAccessResponse opResponse=new RsCheckAccessResponse("String_Node_Str");
  opResponse.setWwwAuthenticateHeader((String)response.getMetadata().getFirst("String_Node_Str"));
  opResponse.setTicket(((PermissionTicket)response.getEntity()).getTicket());
  LOG.debug("String_Node_Str" + params.getPath() + "String_Node_Str"+ params.getHttpMethod()+ "String_Node_Str"+ opResponse);
  return okResponse(opResponse);
}