EMA API : OmmInvalidUsageException error code : 4048
We noted below error message related to OmmInvalidUsage Exception with error code : 4048, this can happen several time per day. any help on issue identification is welcome.
Error message:
Exception in thread "pool-2-thread-1" Exception Type='OmmInvalidUsageException', Text='Attempt to state() while it is NOT set.', Error Code='-4048'
at com.refinitiv.ema.access.MsgImpl.ommIUExcept(MsgImpl.java:393)
at com.refinitiv.ema.access.StatusMsgImpl.state(StatusMsgImpl.java:107)
at marketprice.MarketPriceImpl.onStatusMsg(MarketPriceImpl.java:232)
at com.refinitiv.ema.access.ItemCallbackClientConsumer.notifyOnStatusMsg(ItemCallbackClient.java:2573)
at com.refinitiv.ema.access.ItemCallbackClient.processStatusMsg(ItemCallbackClient.java:1881)
at com.refinitiv.ema.access.ItemCallbackClient.defaultMsgCallback(ItemCallbackClient.java:1628)
at com.refinitiv.eta.valueadd.reactor.Reactor.sendDefaultMsgCallback(Reactor.java:1942)
at com.refinitiv.eta.valueadd.reactor.Reactor.sendAndHandleDefaultMsgCallback(Reactor.java:1957)
at com.refinitiv.eta.valueadd.reactor.WlItemHandler.callbackUser(WlItemHandler.java:2940)
at com.refinitiv.eta.valueadd.reactor.WlItemHandler.readStatusMsg(WlItemHandler.java:2317)
at com.refinitiv.eta.valueadd.reactor.WlItemHandler.readMsg(WlItemHandler.java:1916)
at com.refinitiv.eta.valueadd.reactor.Watchlist.readMsg(Watchlist.java:292)
at com.refinitiv.eta.valueadd.reactor.Reactor.processRwfMessage(Reactor.java:2995)
at com.refinitiv.eta.valueadd.reactor.Reactor.performChannelRead(Reactor.java:3317)
at com.refinitiv.eta.valueadd.reactor.Reactor.dispatchChannel(Reactor.java:2529)
at com.refinitiv.eta.valueadd.reactor.ReactorChannel.dispatch(ReactorChannel.java:581)
at com.refinitiv.ema.access.OmmBaseImpl.rsslReactorDispatchLoop(OmmBaseImpl.java:1509)
at com.refinitiv.ema.access.OmmBaseImpl.run(OmmBaseImpl.java:1651)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Best Answer
-
Hi @y.attar,
It looks like your app is trying to get the null State object in the status callback function. Please add a validation check before accessing the object - something like:
public void onStatusMsg(StatusMsg msg, OmmConsumerEvent event) {
if(msg.hasState()) {
// get the OMM State message
OmmState st = msg.state();
.
.0
Answers
-
Hi Gurpreet,
Thanks a lot for your help, I'll do the necessary as suggested and initiate connection for test.Kind Regards
0
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