Hello,
The fix was required because recent TWS started to
REJECT
backfill requests with same requestID but different
start/end times.
Pre-1.8.0 versions used same requestID for ONE symbol in
order
to backfill more than 5 days for one symbol.
But new TWS simply rejects it with error code.
So new (1.8.0) uses continuously increasing requests IDs
for
each subsequent backfill request and this is actually the
only
way to get backfill longer than 5 days working with
newest TWS.
It works fine on my end and from the feedback I
received in a couple of days,
it works for others too better than 1.7.0
Error 162 is "Historical market Data Service error
message."
It means that something is wrong on TWS/IB end (i.e. with
their historical server).
You may be not connected or you may be facing IB
throttling.
As I wrote many times on this list TWS has *fixed* limit of
1 backfill at a time.
It can not be worked around. This is hardcoded in
TWS.
Therefore you need to ask for data once at a time.
Best procedure is as to run AB before market open, put the
symbols you need
into Real-time QUote window, click with RIGHT mouse button
over plugin status
window and select "Backfill All RTQ symbols", this will step
through all
rt quote window symbols once at a time at backfill them
all.
If you experience problems with pacing violation you
may also go to File->Database Settings,
click "Configure" and turn OFF "automatic backfill on first
data access".
As written here:
If you switch "automatic backfill on first data access"
option off, you will still be able to backfill data for current symbol or all
symbols in real-time quote window list usign appropriate menu options from
plugin status menu.
Backfill Current option allows to force backfill of
currently selected symbol, while Backfill All RTQ symbols allow to force
backfill of all symbols listed in Real-Time Quote window. Backfill of multiple
symbols is performed sequentially (one at a time) due to limitations of
TWS.
----- Original Message -----
Sent: Friday, October 17, 2008 5:30 AM
Subject: [amibroker] Re: IB plugin 1.8.0 released - This is
a fix? I don't think so!
> Tomasz I think there is a
problem.
>
> I added this dll and it hung up on the first symbol
it tried to back
> fill, AA. I tried to cancel back fill and I got a
162 error message
> and that would not go away. After about 3 minutes I
shutdown and
> reconnected IB. The 162 message went away and AB went to
the next
> symbol to download, AIG. That says backfilling( #4) AIG
(1/1) and that
> keeps flashing about once a second but never back
fills the symbol
> and never advances to the next symbol in the list.
AIG is the second
> symbol in the list. After a while I get an error
from TWS that I had
> reached the throttling error on attempting to
back fill AIG. Well
> when it started up it started backfilling the
symbol displayed on the
> chart, TFZ8 and says it is #6 and flashed at
one second intervals,
> never backfills as the status continually says
Connected OK.
>
> I have a formula that uses foreign to plot all
the symbols in my data
> base so I don't have to worry about back
filling except on startup. I
> stopped that, shut AB down and restarted
it and it now says
> Backfilling( #1) AIG (1/1) with the one second
flash telling me it
> connected OK.
>
> I installed the
plugin with TWS running. So I shut AB down, and
> started again this
time with the old DLL, 1.6.8.0. Same thing. So I
> shut AB and TWS down
and replaced the old with the new DLL and stated
> it up again. All
worked well until I stared the formula above. It
> hung on the symbol
it was downloading and kept flashing until the
> throttling error. At
this point I shut AB down and started it again
> and not it is hung
backfilling the chart symbol. I shut down TWS and
> restarted it and it
did the same thing.
>
> OK Now I am back to where I started.
1.6.8.0 installed and TWS
> restarted. Guess what. As long as I don't
start my formula to plot
> all the symbols it will back fill as I click
on the symbol. But when
> I start my formula it hangs. What was working
before I tried to use
> DLL 1.8.0 no longer works. I would think
getting it back to where it
> was before using the new DLL would fix
the problem but it seems like
> that isn't the case. I can back fill
some tickers but when I hit the
> more complex ones, like COMP-NASDAQ-
IND it starts with the one minute
> flashing.
>
>
What is going on? Me thinks there is a bug somewhere. Do you have any
>
idea where? I am using AB 4.90.5. TWS 887.2 and JAVA 1.6.0_07. It
>
worked all day and not it is broke. I guess the old adage applies, if
>
it ain't broke don't fix it.
>
> HELP,
> Barry
>
> --- In amibroker@xxxxxxxxx ps.com, "Tomasz Janeczko"
<groups@xxx>
> wrote:
>>
>> Hello,
>>
>> http://www.amibroke r.com/devlog/
2008/10/15/ interactive- brokers-tws-
>
plugin-version- 180/
>>
>> A new Interactive Brokers TWS
data plugin version 1.8.0 is released
> now.
>>
>>
This version fixes "Duplicate ticker ID for API historical Data
>
query" error that occurred sometimes with newest TWS version.
>>
>> It is available for download from:
>> http://www.amibroke r.com/bin/ ib180/IB.
dll>>
>> (to be copied to Plugins
subfolder, replacing old version)
>>
>> Installation
instructions can be found here:
>> http://www.amibroke r.com/ib. html>>
>> Best regards,
>> Tomasz Janeczko
>>
amibroker.com
>>
>
>
>
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