Hi,

I'm now getting application exits after a reconnect, here is the log...

STATUS Connectivity 5540 0 2023-04-21 02:15:06 Setting symbol limit to 500
STATUS Connectivity 5540 0 2023-04-21 02:15:06 Processed Server 15 (12.36.218.145:60002)
STATUS Connectivity 5540 0 2023-04-21 02:15:06 Connection to server 0 closed.
STATUS Connectivity 5540 0 2023-04-21 02:15:06 Connection to server (0) closed gracefully.
STATUS Connectivity 5540 0 2023-04-21 02:15:06 0 products left to authenticate. Ready
STATUS Connectivity 4012 0 2023-04-21 02:15:06 Authentication Complete - Debug value = 1
STATUS Connectivity 5540 0 2023-04-21 02:15:06 Resetting socket in authentication thread.
STATUS Connectivity 4012 0 2023-04-21 02:15:06 Connecting to quote server (12.36.218.145, 60002).
STATUS Connectivity 4012 0 2023-04-21 02:15:06 Login Initiated without IQ32.dll
STATUS Connectivity 4012 0 2023-04-21 02:15:06 Successful connection to quote server made.
STATUS Connectivity 4012 0 2023-04-21 02:15:21 Sorry, your Product and/or Service for the attempted login are incorrect. If you have recently changed products you may also need to change your type of service. Please contact DTN customer support for assistance. (1) : 2
STATUS Connectivity 4012 0 2023-04-21 02:15:21 WAITING FOR 9 LOOKUP THREADS TO EXIT
STATUS Information 8588 4 2023-04-21 02:15:21 LOOKUP SOCKET CLOSED -
STATUS Information 8128 6 2023-04-21 02:15:21 LOOKUP SOCKET CLOSED -
STATUS Information 7664 1 2023-04-21 02:15:21 LOOKUP SOCKET CLOSED -
STATUS Information 5912 2 2023-04-21 02:15:21 LOOKUP SOCKET CLOSED -

What is happening here?

It looks like your credentials are being rejected by the serer. Have any of them changed recently? These values are stored in the registry inside Computer\HKEY_CURRENT_USER\Software\DTN\IQFeed\Startup.

---

Sincerely,
Gary Stephen
DTN IQFeed Implementation Support Specialist

Not that I'm aware of. It subsequently started, so I don't see how the details could have changed.

It looks like you're using version 6.1 of the IQFeed client software. This may be a bug that was fixed in 6.2: "Fixed bug causing IQFeed to occasionally try to authenticate an invalid product ID, resulting in customers getting an error stating their product or service is invalid." Is there a reason you're using the older version, or can you update the client software to 6.2 via http://www.iqfeed.net/index.cfm?displayaction=support§ion=download ?

---

Sincerely,
Gary Stephen
DTN IQFeed Implementation Support Specialist

Thank you, I wasn't aware of that. I will upgrade.

Are the documentation examples correct for 6.2? Looking at the documentation, here is an example of a data lookup:

Request: HTX,@ES#,10,1,TESTREQUEST<CR><LF>
TESTREQUEST,2019-04-09 15:06:08.639682,2880.75,1,925411,2880.50,2880.75,27293384,C,43,113565084,01,1,9,<CR><LF>
TESTREQUEST,2019-04-09 15:06:08.639724,2880.75,2,925413,2880.50,2880.75,27293385,C,43,113565084,01,1,9,<CR><LF>
TESTREQUEST,2019-04-09 15:06:08.648229,2880.75,1,925414,2880.75,2881.00,27293386,C,43,113565084,01,2,9,<CR><LF>
TESTREQUEST,2019-04-09 15:06:08.648455,2880.75,1,925415,2880.75,2881.00,27293387,C,43,113565084,01,2,9,<CR><LF>
TESTREQUEST,2019-04-09 15:06:08.691246,2880.75,1,925416,2880.75,2881.00,27293388,C,43,113565084,01,2,9,<CR><LF>
TESTREQUEST,2019-04-09 15:06:09.418485,2881.00,1,925417,2880.75,2881.00,27293389,C,43,113565084,01,1,9,<CR><LF>
TESTREQUEST,2019-04-09 15:06:10.018122,2880.75,1,925418,2880.75,2881.00,27293390,C,43,113565084,01,2,9,<CR><LF>
TESTREQUEST,2019-04-09 15:06:10.018122,2880.75,1,925419,2880.75,2881.00,27293390,C,43,113565084,01,2,9,<CR><LF>
TESTREQUEST,2019-04-09 15:06:10.751536,2880.75,1,925420,2880.75,2881.00,27293391,C,43,113565084,01,2,9,<CR><LF>
TESTREQUEST,2019-04-09 15:06:11.185941,2880.75,1,925421,2880.75,2881.00,27293392,C,43,113565084,01,2,9,<CR><LF>
TESTREQUEST,!ENDMSG!,<CR><LF>

I don't see the LH message id in here? Am I understanding where the new message ids are correctly?

LH will only appear if you are sending S,SET PROTOCOL 6.2 after you connect to the socket. You couldn't do this before, because you were on version 6.1 of the client software, and you can't request a later protocol than the client software.

You must be sending some protocol command, though, because that response doesn't look the default 4.9, or even 6.1. Just change it to 6.2 and the response will match the documentation you found.

"LH" is a Lookup Data Message Identifier as described at https://www.iqfeed.net/dev/upgrade.cfm?protocol=2 and is a new feature in Protocol 6.2.

---

Sincerely,
Gary Stephen
DTN IQFeed Implementation Support Specialist

The example above is copy / pasted from the current documentation.

Where are you finding that?

---

Sincerely,
Gary Stephen
DTN IQFeed Implementation Support Specialist

http://www.iqfeed.net/dev/api/docs//HistoricalviaTCPIP.cfm

As accessed through: "View the latest IQFeed 6.2 documentation OnLine!"

Oh, I see what you mean. It looks the sample results weren't updated for protocol 6.2. We are correcting this now.

To your original question, the response should look like this. The LH appears after the RequestID, if you use a RequestID (and this example does):

HTX,@ES#,10,1,TESTREQUEST
TESTREQUEST,LH,2023-05-01 15:21:07.369346,4189.25,1,966275,4189.00,4189.25,27261 705,C,43,01,1,1,
TESTREQUEST,LH,2023-05-01 15:21:07.369346,4189.25,1,966276,4189.00,4189.25,27261 705,C,43,01,1,1,
TESTREQUEST,LH,2023-05-01 15:21:07.369346,4189.25,4,966280,4189.00,4189.25,27261 705,C,43,01,1,1,
TESTREQUEST,LH,2023-05-01 15:21:07.643658,4189.50,1,966281,4189.25,4189.50,27261 706,C,43,01,1,1,
TESTREQUEST,LH,2023-05-01 15:21:07.743142,4189.50,1,966282,4189.25,4189.50,27261 707,C,43,01,1,1,
TESTREQUEST,LH,2023-05-01 15:21:07.743142,4189.50,2,966284,4189.25,4189.50,27261 707,C,43,01,1,1,
TESTREQUEST,LH,2023-05-01 15:21:07.743142,4189.50,1,966285,4189.25,4189.50,27261 707,C,43,01,1,1,
TESTREQUEST,LH,2023-05-01 15:21:07.743142,4189.50,1,966286,4189.25,4189.50,27261 707,C,43,01,1,1,
TESTREQUEST,LH,2023-05-01 15:21:07.743451,4189.50,1,966287,4189.25,4189.50,27261 708,C,43,01,1,1,
TESTREQUEST,LH,2023-05-01 15:21:07.743451,4189.50,4,966291,4189.25,4189.50,27261 708,C,43,01,1,1,
TESTREQUEST,!ENDMSG!,

Without the RequestID, you'd get:

HTX,@ES#,10,1
LH,2023-05-01 15:22:08.630492,4189.25,1,968320,4189.00,4189.25,27262315,C,43,01,1,1,
LH,2023-05-01 15:22:08.640212,4189.25,1,968321,4189.00,4189.25,27262316,C,43,01,1,1,
LH,2023-05-01 15:22:09.023869,4189.25,1,968322,4189.00,4189.25,27262317,C,43,01,1,1,
LH,2023-05-01 15:22:09.032103,4189.25,1,968323,4189.00,4189.25,27262318,C,43,01,1,1,
LH,2023-05-01 15:22:09.032332,4189.25,1,968324,4189.00,4189.25,27262319,C,43,01,1,1,
LH,2023-05-01 15:22:09.037984,4189.25,1,968325,4189.00,4189.25,27262320,C,43,01,1,1,
LH,2023-05-01 15:22:09.365253,4189.25,1,968326,4189.00,4189.25,27262321,C,43,01,1,1,
LH,2023-05-01 15:22:09.446788,4189.25,1,968327,4189.00,4189.25,27262322,C,43,01,1,1,
LH,2023-05-01 15:22:09.519289,4189.25,1,968328,4189.00,4189.25,27262323,C,43,01,1,1,
LH,2023-05-01 15:22:09.604320,4189.25,1,968329,4189.00,4189.25,27262324,C,43,01,1,1,
!ENDMSG!,

---

Sincerely,
Gary Stephen
DTN IQFeed Implementation Support Specialist
Edited by DTN_Gary_Stephen on May 1, 2023 at 02:22 PM

Based on the logs you provided, it seems your application is having trouble reconnecting and authenticating to the server. https://aarouteplanner.io