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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.
Best regards,
Tomasz
Janeczko
amibroker.com
----- 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@xxxxxxxxxxxxxxx, "Tomasz Janeczko"
<groups@xxx>
> wrote:
>>
>> Hello,
>>
>> http://www.amibroker.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.amibroker.com/bin/ib180/IB.dll
>>
>> (to be copied to Plugins subfolder, replacing old
version)
>>
>> Installation instructions can be found
here:
>> http://www.amibroker.com/ib.html
>>
>> Best regards,
>> Tomasz Janeczko
>>
amibroker.com
>>
>
>
>
>
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