Error on loading chart data Could not connect to history socket

[cunparis]

I'm getting this error quite a bit tonight and i'm wondering if it's just IQ that is messing up or if there is another problem. It seems that if I run my strategy against a date that doesn't have data it gives this error. For example, I was testing my strategy until nov 1 2008 yesterday without problems. Today I was getting this error so I set it to oct 31 2008 and it worked. It could be random and not have anything to do with this I don't really know.

I searched and didn't find anything so I thought I'd post this here to find out more about this error.

[NinjaTrader_Michael]

Hello Cunparis,


Please repair your database:

Disconnect NinjaTrader from any open connections via File > Disconnect
From the NinjaTrader Control Center window select the menu Tools > Options
Select the "Misc" tab
Press the "Repair DB" button
Press the "OK" button



Attempt this again tomorrow and let me know if you still receive this error.

[bani789]

I'm having this same problem, also using IQFeed. I'm trying to load a strategy the same way as I always have, and when I attempt to start it, it gives that error.

I tried repairing the database as per the above suggestion but that made no difference.

EDIT: Deleting the database resolved the issue. Maybe it got too big? Was pushing 500 MB.

[NinjaTrader_Jason]

For future reference you might want to rename the database. It contains all saved chart data, trade history and ATM templates.

Rename the NinjaTrader.mdb to OldNinjaTrader.mdb, so NinjaTrader will create a fresh new database upon start-up. Whenever you like to retrieve data from the old database, rename the OldNinjaTrader.mdb back to rename NinjaTrader.mdb. Name the new database different.

[ctrlbrk]

I'm using IQfeed and started getting these a lot in the last couple days also. But, I found that if I disconnected IQfeed and re-loaded, it worked every time.

Regarding the database: will NT7 correct this "db too large" limitation? I do not want to lose historical data at my fingertips.

Mike

[NinjaTrader_Michael]

Hi,


I'm not sure if this has been officially addressed for version 7 of NinjaTrader. I will forward this suggestion to our development team for future consideration.