Program: 79797
Project: 79797
Buggy source:
@Override public void validate() throws EntitlementException {
  if (startTime == null && startDay == null && startDate == null) {
    if (debug.errorEnabled()) {
      debug.error("String_Node_Str" + "String_Node_Str" + START_DATE + "String_Node_Str"+ START_TIME+ "String_Node_Str"+ START_DAY);
    }
    throw new EntitlementException(AT_LEAST_ONE_OF_TIME_PROPS_SHOULD_BE_DEFINED,START_DATE + "String_Node_Str" + START_TIME+ "String_Node_Str"+ START_DAY);
  }
  if (startTime != null && endTime == null) {
    if (debug.errorEnabled()) {
      debug.error("String_Node_Str" + START_TIME + "String_Node_Str"+ END_TIME);
    }
    throw new EntitlementException(PAIR_PROPERTY_NOT_DEFINED,START_TIME,END_TIME);
  }
  if (startTime == null && endTime != null) {
    if (debug.errorEnabled()) {
      debug.error("String_Node_Str" + END_TIME + "String_Node_Str"+ START_TIME);
    }
    throw new EntitlementException(PAIR_PROPERTY_NOT_DEFINED,END_TIME,START_TIME);
  }
  if (startDay != null && endDay == null) {
    if (debug.errorEnabled()) {
      debug.error("String_Node_Str" + START_DAY + "String_Node_Str"+ END_DAY);
    }
    throw new EntitlementException(PAIR_PROPERTY_NOT_DEFINED,START_DAY,END_DAY);
  }
  if (startDay == null && endDay != null) {
    if (debug.errorEnabled()) {
      debug.error("String_Node_Str" + END_DAY + "String_Node_Str"+ START_DAY);
    }
    throw new EntitlementException(PAIR_PROPERTY_NOT_DEFINED,END_DAY,START_DAY);
  }
  if (startDate != null && endDate == null) {
    if (debug.errorEnabled()) {
      debug.error("String_Node_Str" + START_DATE + "String_Node_Str"+ END_DATE);
    }
    throw new EntitlementException(PAIR_PROPERTY_NOT_DEFINED,START_DATE,END_DATE);
  }
  if (startDate == null && endDate != null) {
    if (debug.errorEnabled()) {
      debug.error("String_Node_Str" + END_DATE + "String_Node_Str"+ START_DATE);
    }
    throw new EntitlementException(PAIR_PROPERTY_NOT_DEFINED,END_DATE,START_DATE);
  }
  if (startDateCal.getTime().getTime() > endDateCal.getTime().getTime()) {
    if (debug.errorEnabled()) {
      debug.error("String_Node_Str");
    }
    throw new EntitlementException(START_DATE_AFTER_END_DATE);
  }
}

Fixed version (ground truth):
@Override public void validate() throws EntitlementException {
  if (startTime == null && startDay == null && startDate == null) {
    if (debug.errorEnabled()) {
      debug.error("String_Node_Str" + "String_Node_Str" + START_DATE + "String_Node_Str"+ START_TIME+ "String_Node_Str"+ START_DAY);
    }
    throw new EntitlementException(AT_LEAST_ONE_OF_TIME_PROPS_SHOULD_BE_DEFINED,START_DATE + "String_Node_Str" + START_TIME+ "String_Node_Str"+ START_DAY);
  }
  if (startTime != null && endTime == null) {
    if (debug.errorEnabled()) {
      debug.error("String_Node_Str" + START_TIME + "String_Node_Str"+ END_TIME);
    }
    throw new EntitlementException(PAIR_PROPERTY_NOT_DEFINED,START_TIME,END_TIME);
  }
  if (startTime == null && endTime != null) {
    if (debug.errorEnabled()) {
      debug.error("String_Node_Str" + END_TIME + "String_Node_Str"+ START_TIME);
    }
    throw new EntitlementException(PAIR_PROPERTY_NOT_DEFINED,END_TIME,START_TIME);
  }
  if (startDay != null && endDay == null) {
    if (debug.errorEnabled()) {
      debug.error("String_Node_Str" + START_DAY + "String_Node_Str"+ END_DAY);
    }
    throw new EntitlementException(PAIR_PROPERTY_NOT_DEFINED,START_DAY,END_DAY);
  }
  if (startDay == null && endDay != null) {
    if (debug.errorEnabled()) {
      debug.error("String_Node_Str" + END_DAY + "String_Node_Str"+ START_DAY);
    }
    throw new EntitlementException(PAIR_PROPERTY_NOT_DEFINED,END_DAY,START_DAY);
  }
  if (startDate != null && endDate == null) {
    if (debug.errorEnabled()) {
      debug.error("String_Node_Str" + START_DATE + "String_Node_Str"+ END_DATE);
    }
    throw new EntitlementException(PAIR_PROPERTY_NOT_DEFINED,START_DATE,END_DATE);
  }
  if (startDate == null && endDate != null) {
    if (debug.errorEnabled()) {
      debug.error("String_Node_Str" + END_DATE + "String_Node_Str"+ START_DATE);
    }
    throw new EntitlementException(PAIR_PROPERTY_NOT_DEFINED,END_DATE,START_DATE);
  }
  if (startDate != null) {
    if (startDateCal == null || endDateCal == null) {
      if (debug.errorEnabled()) {
        debug.error("String_Node_Str" + START_DATE + "String_Node_Str"+ END_DATE+ "String_Node_Str");
      }
      throw new EntitlementException(PAIR_PROPERTY_NOT_DEFINED,END_DATE,START_DATE);
    }
 else {
      if (startDateCal.getTime().getTime() > endDateCal.getTime().getTime()) {
        if (debug.errorEnabled()) {
          debug.error("String_Node_Str");
        }
        throw new EntitlementException(START_DATE_AFTER_END_DATE,startDateCal.getTime(),endDateCal.getTime());
      }
    }
  }
}