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What version of Ninjatrader are you using?


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View Poll Results: What version of Ninjatrader are you using?
8.0.26.x 2 14.29%
8.0.26.x
2 14.29%
8.0.27.x 9 64.29%
8.0.27.x
9 64.29%
older 3 21.43%
older
3 21.43%
Multiple Choice Poll. Voters: 14. You may not vote on this poll

 
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What version of Ninjatrader are you using?

  #1 (permalink)
 reach4thelasers 
London, United Kingdom
 
Experience: Advanced
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I finally upgraded to 8.0.27.1 last week and had nothing but problems. Now I'm back on 8.0.26.1.

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  #2 (permalink)
 
sam028's Avatar
 sam028 
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reach4thelasers View Post
I finally upgraded to 8.0.27.1 last week and had nothing but problems. Now I'm back on 8.0.26.1.

I've upgraded to 8.0.27.1 on four different machines, and no problem at all...

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  #3 (permalink)
 reach4thelasers 
London, United Kingdom
 
Experience: Advanced
Platform: Ninjatrader
Trading: Futures Algo Trading
Posts: 18 since Feb 2017
Thanks Given: 11
Thanks Received: 11


My Charts were freezing constantly & throwing up an error message: "Write lock may not be acquired with read lock held."

I spent ages trying to reproduce the issue. I'm a professional .NET engineer and I have been a prolific Ninjatrader-bug reporter over the years. But for once I was not able to trace/reproduce the problem.

8.0.26.1 is rock-solid stable for me.

I'm convinced there is a problem in 27.1 there's a definite up-tick in reports similar to mine since the 8.0.27.0 release. But it seems the vast majority of people have no issues, like yourself.

https://forum.ninjatrader.com/forum/ninjascript-file-sharing/ninjascript-file-sharing-discussion/1229601-unhandled-exception-write-lock-may-not-be-acquired-with-read-lock-held

https://forum.ninjatrader.com/forum/ninjascript-file-sharing/ninjascript-file-sharing-discussion/1232695-screen-freeze-using-unirenko-universal-renko-bartype-8-in-latest-nt8-version-8-0-27-1

https://forum.ninjatrader.com/forum/ninjatrader-8/platform-technical-support-aa/1228171-read-lock-write-lock-deadlock-error

https://forum.ninjatrader.com/forum/ninjatrader-8/platform-technical-support-aa/1236035-ninjatrader-keeps-crashing-after-update-and-or-apex-rithmic-install

https://forum.ninjatrader.com/forum/ninjatrader-8/platform-technical-support-aa/1235773-charts-crashing-write-lock-may-not-be-acquired-with-read-lock-held

https://forum.ninjatrader.com/forum/ninjatrader-8/platform-technical-support-aa/1235084-ninjatrader-8-0-27-1-crashes-on-startup

https://forum.ninjatrader.com/forum/ninjatrader-8/platform-technical-support-aa/1230636-after-update-keeps-crashing



sam028 View Post
I've upgraded to 8.0.27.1 on four different machines, and no problem at all...


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  #4 (permalink)
 
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 sam028 
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Posts: 3,765 since Jun 2009
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Probably something to do with Sqlite, this is the main change and a I suppose a write lock is used for it.
Latest .Net updates installed?



reach4thelasers View Post
My Charts were freezing constantly & throwing up an error message: "Write lock may not be acquired with read lock held."

I spent ages trying to reproduce the issue. I'm a professional .NET engineer and I have been a prolific Ninjatrader-bug reporter over the years. But for once I was not able to trace/reproduce the problem.
...


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  #5 (permalink)
 
trendisyourfriend's Avatar
 trendisyourfriend 
Quebec Canada
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Experience: Intermediate
Platform: NinjaTrader
Broker: AMP/CQG
Trading: ES, NQ, YM
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Can you tell how we can get the current version installed ? thanks


sam028 View Post
Probably something to do with Sqlite, this is the main change and a I suppose a write lock is used for it.
Latest .Net updates installed?


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  #6 (permalink)
 
sam028's Avatar
 sam028 
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Posts: 3,765 since Jun 2009
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Help -> About.


trendisyourfriend View Post
Can you tell how we can get the current version installed ? thanks


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  #7 (permalink)
 
trendisyourfriend's Avatar
 trendisyourfriend 
Quebec Canada
Market Wizard
 
Experience: Intermediate
Platform: NinjaTrader
Broker: AMP/CQG
Trading: ES, NQ, YM
Frequency: Daily
Duration: Minutes
Posts: 4,527 since Oct 2009
Thanks Given: 4,176
Thanks Received: 6,020

I was thinking about the Latest .Net but i found it:
https://learn.microsoft.com/en-us/dotnet/framework/migration-guide/how-to-determine-which-versions-are-installed



sam028 View Post
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