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Microsoft Dynamics AX (Archived)

Wave Blocking, Another Wave Already In Process

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Posted on by 395

We have an issue where when running a single instance of auto release to warehouse many waves will block one another. This happens about 20% of the time from what can be gathered from the info log. We have tried experimenting with the wave lock time out, but it does not seem to have much effect. I was under the impression auto release was running as a single thread. So my assumption is one wave must finish or error before another can begin? I have tried to debug the wave lock manager but obviously when debugging only a few at a time it never happens. Can any one shed some light on to how this could happen? The only suggestion that was ever made to me was that some how SQL was not committing the transactions as fast as AX was sending them and since the wave lock is held in SQL we get blocking. 

Thanks.

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    Travis Bagley Profile Picture
    395 on at

    Update on this. This was found to be a base bug in CU8 where if you do not have fail to create work on all directive failures turned on for replenishment locks are left in the data base. The fix has yet to be released. To get around this you must turn on the fail to create work flag, which will not hard error on work creation and may not be acceptable depending on business processes.

  • Community Member Profile Picture
    on at

    Was this fixed in CU9?  

  • Travis Bagley Profile Picture
    395 on at

    This is the hotfix:

    https://fix.lcs.dynamics.com/Issue/Resolved?kb=3078551&bugId=3641480&qc=767ee8b368ce4108c2ae3305279ecd5f60688d03b032b94345317a64179eda5f

    I don't think it is in CU9 as it came out in July and CU9 came out in June.

  • Community Member Profile Picture
    on at

    Travis

    Thanks we are in middle of deploying CU9.   We will add this hotfix as well.  We have been experiencing this since R3.    I will let you know how it goes.  

    Thanks for posting this!

    Kevin

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