Program: 132028
Project: 132028
Buggy source:
/** 
 * Performs validation of a service function path.
 * @param serviceFunctionPath a candidate SFP that is being added / updated in a currently open transaction
 * @return true when validation is passed (i.e. when the SFs contained inthe SFP are coherent (type-wise) with the type definitions in the associated SFC; false afterwards)
 * @throws DataValidationFailedWithMessageException when validation cannot be performed because some of the referenced SFs / SFCs do not exist
 */
protected boolean validateServiceFunctionPath(ServiceFunctionPath serviceFunctionPath) throws DataValidationFailedWithMessageException {
  if (serviceFunctionPath != null) {
    LOG.debug("String_Node_Str",serviceFunctionPath.getName());
    if (serviceFunctionPath.getServicePathHop() == null) {
      LOG.info("String_Node_Str" + "String_Node_Str");
      return true;
    }
    int numberOfSpecifiedSFs=serviceFunctionPath.getServicePathHop().size();
    List<String> sfChainTypes;
    try {
      sfChainTypes=SfcDatastoreCache.getSfChainToSfTypeList().get(serviceFunctionPath.getServiceChainName());
    }
 catch (    ExecutionException e) {
      LOG.debug("String_Node_Str",e);
      throw ValidationConstants.SFP_FAILED_CAN_COMMIT_EXCEPTION_SFC_MISSING;
    }
    if (sfChainTypes == null || sfChainTypes.isEmpty()) {
      LOG.error("String_Node_Str");
      throw ValidationConstants.SFP_FAILED_CAN_COMMIT_EXCEPTION_SFC_MISSING;
    }
    LOG.debug("String_Node_Str",serviceFunctionPath.getServiceChainName().getValue(),serviceFunctionPath.getName().getValue(),sfChainTypes.size(),numberOfSpecifiedSFs);
    if (sfChainTypes.size() < numberOfSpecifiedSFs) {
      LOG.error("String_Node_Str",sfChainTypes.size(),numberOfSpecifiedSFs);
      return false;
    }
    boolean errorFound=false;
    for (int i=0; i < numberOfSpecifiedSFs; i++) {
      SfName sfName=serviceFunctionPath.getServicePathHop().get(i).getServiceFunctionName();
      if (sfName == null) {
        continue;
      }
      String sfChainTypeName=sfChainTypes.get(serviceFunctionPath.getServicePathHop().get(i).getHopNumber());
      String sfTypeNameFromSFP;
      try {
        sfTypeNameFromSFP=SfcDatastoreCache.getSfToSfTypeCache().get(sfName);
      }
 catch (      ExecutionException e) {
        LOG.debug("String_Node_Str",e);
        throw ValidationConstants.SFP_FAILED_CAN_COMMIT_EXCEPTION_SF_MISSING;
      }
      if (!sfChainTypeName.equals(sfTypeNameFromSFP)) {
        LOG.error("String_Node_Str",i,sfChainTypeName,sfTypeNameFromSFP);
        errorFound=true;
        break;
      }
    }
    if (!errorFound) {
      LOG.info("String_Node_Str");
      return true;
    }
  }
  return false;
}

Fixed version (ground truth):
/** 
 * Performs validation of a service function path.
 * @param serviceFunctionPath a candidate SFP that is being added / updated in a currently open transaction
 * @return true when validation is passed (i.e. when the SFs contained inthe SFP are coherent (type-wise) with the type definitions in the associated SFC; false afterwards)
 * @throws DataValidationFailedWithMessageException when validation cannot be performed because some of the referenced SFs / SFCs do not exist
 */
@SuppressWarnings("String_Node_Str") protected boolean validateServiceFunctionPath(ServiceFunctionPath serviceFunctionPath) throws DataValidationFailedWithMessageException {
  if (serviceFunctionPath != null) {
    LOG.debug("String_Node_Str",serviceFunctionPath.getName());
    if (serviceFunctionPath.getServicePathHop() == null) {
      LOG.info("String_Node_Str" + "String_Node_Str");
      return true;
    }
    int numberOfSpecifiedSFs=serviceFunctionPath.getServicePathHop().size();
    List<String> sfChainTypes;
    try {
      sfChainTypes=SfcDatastoreCache.getSfChainToSfTypeList().get(serviceFunctionPath.getServiceChainName());
    }
 catch (    ExecutionException e) {
      LOG.debug("String_Node_Str",e);
      throw ValidationConstants.SFP_FAILED_CAN_COMMIT_EXCEPTION_SFC_MISSING;
    }
    if (sfChainTypes == null || sfChainTypes.isEmpty()) {
      LOG.error("String_Node_Str");
      throw ValidationConstants.SFP_FAILED_CAN_COMMIT_EXCEPTION_SFC_MISSING;
    }
    LOG.debug("String_Node_Str",serviceFunctionPath.getServiceChainName().getValue(),serviceFunctionPath.getName().getValue(),sfChainTypes.size(),numberOfSpecifiedSFs);
    if (sfChainTypes.size() < numberOfSpecifiedSFs) {
      LOG.error("String_Node_Str",sfChainTypes.size(),numberOfSpecifiedSFs);
      return false;
    }
    boolean errorFound=false;
    for (int i=0; i < numberOfSpecifiedSFs; i++) {
      SfName sfName=serviceFunctionPath.getServicePathHop().get(i).getServiceFunctionName();
      if (sfName == null) {
        continue;
      }
      String sfChainTypeName=sfChainTypes.get(serviceFunctionPath.getServicePathHop().get(i).getHopNumber());
      String sfTypeNameFromSFP;
      try {
        sfTypeNameFromSFP=SfcDatastoreCache.getSfToSfTypeCache().get(sfName);
      }
 catch (      ExecutionException e) {
        LOG.debug("String_Node_Str",e);
        throw ValidationConstants.SFP_FAILED_CAN_COMMIT_EXCEPTION_SF_MISSING;
      }
      if (!sfChainTypeName.equals(sfTypeNameFromSFP)) {
        LOG.error("String_Node_Str",i,sfChainTypeName,sfTypeNameFromSFP);
        errorFound=true;
        break;
      }
    }
    if (!errorFound) {
      LOG.info("String_Node_Str");
      return true;
    }
  }
  return false;
}