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".
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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