error.

[ERROR] Exit code: 1 - /Users/gchaturvedi/Code/cs509/src/main/java/wpi/controllers/api/FlightsController.java:385: warning: no @param for request
[ERROR] private HashMap<String, String> buy(HttpServletRequest request,
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/controllers/api/FlightsController.java:385: warning: no @param for response
[ERROR] private HashMap<String, String> buy(HttpServletRequest request,
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/controllers/api/FlightsController.java:385: warning: no @param for list
[ERROR] private HashMap<String, String> buy(HttpServletRequest request,
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/controllers/api/FlightsController.java:385: warning: no @return
[ERROR] private HashMap<String, String> buy(HttpServletRequest request,
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/domain/Flight.java:321: warning: no description for @param
[ERROR] * @param localAirport
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/domain/Flight.java:323: warning: no description for @throws
[ERROR] * @throws Exception
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/domain/Flight.java:325: warning: no @param for type
[ERROR] private DateTime getLocalTime(Airport localAirport, FlightType type) throws Exception {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/domain/Flight.java:75: warning: no @param for departure
[ERROR] public Flight(String airplane, String flightTime, String number,
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/domain/container/Flights.java:47: warning: no description for @param
[ERROR] * @param object
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/domain/container/OneWayTripListWrapper.java:72: warning: no description for @throws
[ERROR] * @throws Exception
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/domain/container/OneWayTripListWrapper.java:98: warning: no description for @param
[ERROR] * @param departureTimeStarting
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/domain/container/OneWayTripListWrapper.java:99: warning: no description for @param
[ERROR] * @param departureTimeEnding
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/domain/container/OneWayTripListWrapper.java:100: warning: no description for @param
[ERROR] * @param arrivalTimeStarting
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/domain/container/OneWayTripListWrapper.java:101: warning: no description for @param
[ERROR] * @param arrivalTimeEnding
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/domain/container/OneWayTripListWrapper.java:103: warning: no description for @throws
[ERROR] * @throws Exception
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/domain/container/RoundTripListWrapper.java:75: warning: no description for @throws
[ERROR] * @throws Exception
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/domain/container/RoundTripListWrapper.java:115: warning: no description for @param
[ERROR] * @param DTdepartureTimeStarting
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/domain/container/RoundTripListWrapper.java:116: warning: no description for @param
[ERROR] * @param DTdepartureTimeEnding
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/domain/container/RoundTripListWrapper.java:117: warning: no description for @param
[ERROR] * @param DTarrivalTimeStarting
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/domain/container/RoundTripListWrapper.java:118: warning: no description for @param
[ERROR] * @param DTarrivalTimeEnding
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/domain/container/RoundTripListWrapper.java:119: warning: no description for @param
[ERROR] * @param RTdepartureTimeStarting
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/domain/container/RoundTripListWrapper.java:120: warning: no description for @param
[ERROR] * @param RTdepartureTimeEnding
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/domain/container/RoundTripListWrapper.java:121: warning: no description for @param
[ERROR] * @param RTarrivalTimeStarting
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/domain/container/RoundTripListWrapper.java:122: warning: no description for @param
[ERROR] * @param RTarrivalTimeEnding
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/domain/container/RoundTripListWrapper.java:123: warning: no description for @return
[ERROR] * @return
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/domain/container/RoundTripListWrapper.java:124: warning: no description for @throws
[ERROR] * @throws Exception
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/AllPaths.java:23: warning: no @return
[ERROR] public List<List<String>> getAllPath(){
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/AllPaths.java:9: error: bad HTML entity
[ERROR] *   Original Author(s): Robert Sedgewick & Kevin Wayne
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/Digraph.java:6: error: bad HTML entity
[ERROR] *   Original Author(s): Robert Sedgewick & Kevin Wayne
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:175: warning: no @return
[ERROR] public boolean exists()  {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:187: warning: no @return
[ERROR] public boolean isEmpty() {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:196: warning: no @return
[ERROR] public boolean hasNextLine() {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:205: warning: no @return
[ERROR] public boolean hasNextChar() {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:216: warning: no @return
[ERROR] public String readLine() {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:226: warning: no @return
[ERROR] public char readChar() {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:239: warning: no @return
[ERROR] public String readAll() {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:253: warning: no @return
[ERROR] public String readString() {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:260: warning: no @return
[ERROR] public int readInt() {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:267: warning: no @return
[ERROR] public double readDouble() {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:274: warning: no @return
[ERROR] public float readFloat() {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:281: warning: no @return
[ERROR] public long readLong() {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:288: warning: no @return
[ERROR] public short readShort() {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:295: warning: no @return
[ERROR] public byte readByte() {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:303: warning: no @return
[ERROR] public boolean readBoolean() {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:315: warning: no @return
[ERROR] public String[] readAllStrings() {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:343: warning: no @return
[ERROR] public int[] readAllInts() {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:354: warning: no @return
[ERROR] public double[] readAllDoubles() {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:376: warning: no @param for filename
[ERROR] public static int[] readInts(String filename) {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:376: warning: no @return
[ERROR] public static int[] readInts(String filename) {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:385: warning: no @param for filename
[ERROR] public static double[] readDoubles(String filename) {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:385: warning: no @return
[ERROR] public static double[] readDoubles(String filename) {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:394: warning: no @param for filename
[ERROR] public static String[] readStrings(String filename) {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:394: warning: no @return
[ERROR] public static String[] readStrings(String filename) {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:400: error: reference not found
[ERROR] * @deprecated Clearer to use {@link StdIn#readAllInts()}
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:402: warning: no @return
[ERROR] public static int[] readInts() {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:408: error: reference not found
[ERROR] * @deprecated Clearer to use {@link StdIn#readAllDoubles()}
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:410: warning: no @return
[ERROR] public static double[] readDoubles() {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:416: error: reference not found
[ERROR] * @deprecated Clearer to use {@link StdIn#readAllStrings()}
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:418: warning: no @return
[ERROR] public static String[] readStrings() {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:116: warning: no @param for file
[ERROR] public In(File file) {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:168: warning: no @param for scanner
[ERROR] public In(Scanner scanner) {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:87: warning: no @param for socket
[ERROR] public In(java.net.Socket socket) {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:130: warning: no @param for s
[ERROR] public In(String s) {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/In.java:101: warning: no @param for url
[ERROR] public In(URL url) {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/Stack.java:45: warning: no @return
[ERROR] public boolean isEmpty() {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/Stack.java:52: warning: no @return
[ERROR] public int size() {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/Stack.java:59: warning: no @param for item
[ERROR] public void push(Item item) {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/Stack.java:71: warning: no @return
[ERROR] public Item pop() {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/graph/Stack.java:84: warning: no @return
[ERROR] public Item peek() {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/util/databaseaccessor/DatabaseUtil.java:78: warning: no @return
[ERROR] public boolean lockDatabase() {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/util/databaseaccessor/DatabaseUtil.java:101: warning: no @return
[ERROR] public boolean unlockDatabase() {
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/util/FlightSearcher.java:104: error: exception not thrown: java.lang.Exception
[ERROR] * @throws Exception
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/util/FlightSearcher.java:104: warning: no description for @throws
[ERROR] * @throws Exception
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/util/TimezoneManager.java:103: warning: no description for @param
[ERROR] * @param airport
[ERROR] ^
[ERROR] /Users/gchaturvedi/Code/cs509/src/main/java/wpi/util/TimezoneManager.java:105: warning: no description for @throws
[ERROR] * @throws Exception