The connection between my application and the Reuters Centers died again, I can't receive quotaio...

Hello @Raj.Huang

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Can I have all results from the console output via a file attachment?

Normally, Market Price Status Message conveys state change information associated with an item stream, not the connection status.

In fact, if a connection problem does occur, EMA should rather logs the similar result below (e.g. ChannelDown) to console.

See ema-channel-down-message-log.txt for more message details.

Hello @Raj.Huang,

To clarify this again,

• EMA can recover connection around 1 minutes (15:44:41.772 to 15:44:42.789).
• After EMA received the status event for AUD=, it did receive one update after this status. You can observe incoming data via an xml comment tag

<!-- Incoming Reactor message -->

Still, it's quite suspicious because why EMA didn't any further receive data after 14:42:40, then the connection was cut on 15:44:41.772.

For my suggestion, I suggest you try to replicate this problem using a simple EMA example such as example 100 MarketPriceStreaming (see the attachment).

Hello @Raj.Huang ,

According to this thread; https://community.developers.refinitiv.com/questions/18912/can-i-simulate-the-reuters-to-send-item-messages-t.html,

Does this problem still persist with the local provider with the NO_DATA STATUS message?

Hello @Raj.Huang ,

Just want to confirm whether plain examples in EMA Java (see below) also encounter this problem or not.

• com.thomsonreuters.ema.examples.training.consumer.series100.example100__MarketPrice__Streaming
• com.thomsonreuters.ema.examples.training.consumer.series100.example120__MarketPrice__FieldListWalk

Have you have a chance to test the same scenario with these examples yet?

@Raj.Huang, it's me who provided you how to send NO_DATA message in the other thread.

<!-- Incoming Reactor message -->
<!-- java.nio.channels.SocketChannel[connected local=/127.0.0.1:62453 remote=localhost/127.0.0.1:14002] -->
<!-- Wed Oct 11 16:22:25 ICT 2017 -->
<!-- rwfMajorVer="14" rwfMinorVer="1" -->
<STATUS domainType="MARKET_PRICE" streamId="3" containerType="NO_DATA" flags="0x00" dataSize="0">
    <dataBody>
    </dataBody>
</STATUS>

<!-- Incoming Reactor message -->
<!-- java.nio.channels.SocketChannel[connected local=/127.0.0.1:62453 remote=localhost/127.0.0.1:14002] -->
<!-- Wed Oct 11 16:22:26 ICT 2017 -->
<!-- rwfMajorVer="14" rwfMinorVer="1" -->
<UPDATE domainType="MARKET_PRICE" streamId="3" containerType="FIELD_LIST" flags="0x00" updateType="0" dataSize="14">
    <dataBody>
        <fieldList flags="0x08 (HAS_STANDARD_DATA)">
            <fieldEntry fieldId="22" data="0C0F A2"/>
            <fieldEntry fieldId="30" data="0E15"/>
        </fieldList>
    </dataBody>
</UPDATE>

<!-- Incoming Reactor message -->
<!-- java.nio.channels.SocketChannel[connected local=/127.0.0.1:62453 remote=localhost/127.0.0.1:14002] -->
<!-- Wed Oct 11 16:22:27 ICT 2017 -->
<!-- rwfMajorVer="14" rwfMinorVer="1" -->
<UPDATE domainType="MARKET_PRICE" streamId="3" containerType="FIELD_LIST" flags="0x00" updateType="0" dataSize="14">
    <dataBody>
        <fieldList flags="0x08 (HAS_STANDARD_DATA)">
            <fieldEntry fieldId="22" data="0C0F A3"/>
            <fieldEntry fieldId="30" data="0E16"/>
        </fieldList>
    </dataBody>
</UPDATE>

As you can see, the first message in the snippet is NO_DATA, and the com.thomsonreuters.ema.examples.training.consumer.series100.example100__MarketPrice__Streaming consumer application can continue receiving further updates. Please check the log file here: emaj-continues-get-data-regardless-no-data-message.txt

• What's the version of EMA Java used (displayed in the log from both of Consumer and IProvider example -- you can check yours similar to the screenshot below)?
• Can I have the log files from both of series100.example (Consumer and IProvider)?

@Raj.Huang I got your point; onUpdateMsg() isn't called after the status message.

I'll cross check this behavior with the other APIs and will get back to you.

I've submitted a new issue to the development team on your behalf already (https://github.com/thomsonreuters/Elektron-SDK/issues/37).

So, you can communicate and follow up with the development team directly.

In the future, if you suspect there is an EMA bug/non-support feature or improper implementation/configuration in application level via GitHub at https://github.com/thomsonreuters/Elektron-SDK/issues, click "New issue" button, and put detailed information, then submit it to the Developer team.

@Raj.Huang Regarding the STATUS message, actually it is used to convey state change information, so this message normally doesn't have a payload data (NO_DATA).

Refer to <Elektron-Package>\Ema\Docs\EMAJ_RDMUsageGuide.pdf

The problem should be why the server sent STATUS without any STATE information, which had no meaning for the subscription stream. So, this case should be investigated by the server team.

You can submit a ticket to them via https://my.thomsonreuters.com/ContactUsNew, and select Product as 'Elektron Edge' which is the server that the applciation is conecting to.