Issue with Autopilot and multithreading

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#4 Issue with Autopilot and multithreading

Milestone: 2.0

Status: pending

Owner: nobody

Labels: None

Updated: 2017-10-14

Created: 2014-12-08

Creator: Rainette

Private: No

Hello,
I post this message in the forum and i made my own tests.
My original message :

I want to use VTD in a multhreading context. I parse an XML document and then i instanciate >some AutoPilot to perform XPath. That works fine except in some obscure cases.
For exemple, i apply this process on several files, the first step is to check that the root >element is correct. Sometimes that fails, and never on the same file.
I checked my code a long time but i didn't find error.
I looked VTD source code and i saw two static members in AutoPilot(line 52/75) and >AutoPilotHuge(line 50/66). I don't understand this static members. Furthermore, one is set in >constructors, the other one in namespaces declaration, and both without any synchronization >mechanism.
I omitted to say that i always use namespace in my xpath evaluations.

Then i rewrite code to remove the static attributes and that solves my problem.
I think this is a mistake.

Thanks

Discussion

jimmy zhang - 2014-12-13

I think this is a bug that has been fixed in v2.11, can you verify?

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Rainette - 2014-12-15

The bug has not been fixed, my tests was made with v2.11 :-(

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- NARASIMHA - 2017-10-14
  
  Hi Rainette, Did you rewrite the AutoPilot class without static members?
  
  Last edit: NARASIMHA 2017-10-15
  
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  - Rainette - 2017-10-18
    
    Hi Narasimha, yes i did this bad thing to copy/paste the code and removed the static attribute. I used Maven and i didn't want to rewrite and repackage the libraray so i put my fixed class in the a package named exactly as it is in the library. So the classloader use it insteaf of the original one. That's did the job...
    
    PS : sorry for my english :-(
    
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jimmy zhang - 2016-06-13

Yes, this is indeed a bug like you described and it is fixed in 2.12 and 2.13

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jimmy zhang - 2016-06-14

status: open --> pending
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Ramesh - 2016-12-09

No this bug is not fixed in 2.13 also.still it is creating problem with mulitthread environment with version 2.13

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jimmy zhang - 2017-09-13

It will be fixed in the next release!!

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- NARASIMHA - 2017-10-14
  
  May I know when is going to have next release?
  
  Last edit: NARASIMHA 2017-10-15
  
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NARASIMHA - 2017-10-14

I'm also facing the same issue when I'm doing the load test with mutiple threads. The same request is failing if I increase the threads and ppoin of error is at Autopilot class. I haven't fixed yet.

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