NPE for outY
Please advice why I have null for outY if it's initialized
public class SelectData extends TimerTask {
private LionFXConnect conn;
ArrayConverter aConverter;
double outY[] = new double[10];
double[] avg = new double[10];
String sql;
/**
* @throws SQLException
* @throws ClassNotFoundException
* @throws IllegalAccessException
* @throws InstantiationException
* @throws NotDefinedException
* @throws FieldNotFound
* @throws Exception
*/
public SelectData() throws SQLException, ClassNotFoundException,
IllegalAccessException, InstantiationException,
FieldNotFound, NotDefinedException, Exception {
conn = new LionFXConnect();
aConverter = new ArrayConverter();
}
public void run() {
// System.out.println(new java.util.Date() + " SelectData");
try {
ResultSet rs =
conn.select("SELECT * FROM RBF_DATA_60 where timest = ( select max( timest ) from RBF_DATA_60 ) and rownum = 1");
while (rs.next()) {
outY[0] = rs.getDouble("OUTY0");
outY[1] = rs.getDouble("OUTY1");
outY[2] = rs.getDouble("OUTY2");
outY[3] = rs.getDouble("OUTY3");
outY[4] = rs.getDouble("OUTY4");
outY[5] = rs.getDouble("OUTY5");
outY[6] = rs.getDouble("OUTY6");
outY[7] = rs.getDouble("OUTY7");
outY[8] = rs.getDouble("OUTY8");
outY[9] = rs.getDouble("OUTY9");
// System.out.println(new java.util.Date() +
// " ###################### SD outY[0] " + outY[0] + " outY[1] " + outY[1]);
equals(rs);
System.out.println("SD1 = " + outY[0]);
aConverter.arrayConverter(outY);
System.out.println("SD2 = " + outY[0]);
ChartCommander.getInstance().chartEURUSD(avg , outY);
System.out.println("SD3 = " + outY[0]);
}
rs.close();
} catch (Exception ex) {
Logger.getLogger(SelectData.class.getName()).log(Level.SEVERE,
null, ex);
}
}
}04.03.2011 1:09:08 connect.PMDS parseMarketDataSnapshot
SEVERE: null
java.lang.NullPointerException
at charts.ChartCommander.chartEURUSD(ChartCommander.java:23)
at connect.PMDS.parseMarketDataSnapshot(PMDS.java:89)
at connect.DBFXConnect$1.messageArrived(DBFXConnect.java:133)
at com.fxcm.internal.transport.FXCMGateway.update(FXCMGateway.java:828)
at com.fxcm.messaging.util.fix.FIXUserSession$BackToUserQueue.run(FIXUserSession.java:675)
at java.lang.Thread.run(Thread.java:680)
SD1 = 0.13682981
SD2 = 0.13682981
CC = 0.13682981
SD3 = 0.13682981
SD1 = 0.13682981
SD2 = 0.13682981
CC = 0.13682981
SD3 = 0.13682981package charts;
public class ChartCommander {
AlgochartEURUSD acEURUSD;
private static ChartCommander instance = new ChartCommander();
public static ChartCommander getInstance() {
return instance;
}
public ChartCommander() {
acEURUSD = new AlgochartEURUSD();
}
public void chartEURUSD(double[] avg, double[] outY) {
if (avg[0] != 0 || outY[0] != 0){
System.out.println("CC = " + outY[0]);
acEURUSD.doEvent(avg, outY);
}
}
}ASKER
I suppose it's ok
public class PMDS {
DecisionCenterControl dcc;
IGateway mFxcmGateway;
MarketDataSnapshot incomingQuote;
ITransportable message;
public PMDS() {
this.mFxcmGateway = DBFXConnect.getGateway();
incomingQuote = (MarketDataSnapshot)message;
}
String symbol;
double[] bidPx = new double[10];
double[] askPx = new double[10];
double[] avg = new double[10];
double[] outY;
String eurusd_bid;
String eurusd_ask;
String eurchf_bid;
String eurchf_ask;
String eurgbp_bid;
String eurgbp_ask;
String usdchf_bid;
String usdchf_ask;
String gbpusd_bid;
String gbpusd_ask;
String gbpchf_bid;
String gbpchf_ask;
String eurjpy_bid;
String eurjpy_ask;
String usdjpy_bid;
String usdjpy_ask;
String gbpjpy_bid;
String gbpjpy_ask;
String chfjpy_bid;
String chfjpy_ask;
public void parseMarketDataSnapshot(ITransportable message)
throws SQLException,
ClassNotFoundException,
InstantiationException,
IllegalAccessException,
FieldNotFound,
Exception {
if (message instanceof MarketDataSnapshot) {
incomingQuote = (MarketDataSnapshot)message;
symbol = incomingQuote.getInstrument().getSymbol();
double bPx = incomingQuote.getBidOpen();
double aPx = incomingQuote.getAskOpen();
try {
if ("EUR/USD".equalsIgnoreCase(symbol.trim())) {
BorderControl.getInstance().borderControl(bidPx,
askPx);
bidPx[0] = bPx;
eurusd_bid = String.valueOf(bidPx[0]);
DCC.getInstance().setEURUSD_bid(eurusd_bid);
askPx[0] = aPx;
eurusd_ask = String.valueOf(askPx[0]);
DCC.getInstance().setEURUSD_ask(eurusd_ask);
avg[0] = (bidPx[0] + askPx[0])/2;
ChartCommander.getInstance().chartEURUSD(avg, outY);
}ASKER CERTIFIED SOLUTION
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ASKER
Thank you for the lession
thats being called from PMDS, make sure you have assigned your array there correctly