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  #1  
Old 04-23-2009
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Default Taskexecuter state "blocked"?

Does anyone know what the state "blocked" for a taskexecuter means?

So far I thought this state only appears if "do not travel offset and block space on network" is activated. But in my case the option is "Travel offsets for load/unload tasks".

There is strange behavior in the model, that the transporter is having the right tasksequence with the right target objects (I checked this in the active tasksequence), but is traveling to another network node in front of another object and gets into the state “blocked”. If I have a look into the active tasksequence he is still in his travel task.
If I delete the connection to this network node the transporter travels to the right network node in front of the right target object. Make the connection new or delete the network node and create it again, does not help.

Maybe someone else had some same behavior and found a solution. Or can tell me what the state blocked for a taskexecuter means.
Thanks in advance for any help and hints.

Sorry, but I can not post the model and maybe it is just something in this specific model. But maybe your hints will already help me to find a solution.
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  #2  
Old 04-23-2009
Anthony Timmiss Anthony Timmiss is offline
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Is it possible that the object the TE is travelling to is busy and therefore isn't ready to allow the offset travel along the network?
  #3  
Old 04-23-2009
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Default

Here's a model that shows the normal times when a TaskExecuter goes into a blocked state.

It happens when transportincomplete() or transportoutcomplete() don't return 1. This happens when the upstream or downstream FixedResource are down when the TaskExecuter wants to load or unload from them.
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File Type: zip blocked_te.zip (40.0 KB, 261 views)
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Old 05-10-2011
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Hi,

unfortunatly now I have the same problem then Tom David two years ago.

My FixedResources are queues (start points ans destinations). Can anyone give me a hind what else i could look for? The queues are always on and not down.

Greetings,
Florian
  #5  
Old 03-09-2012
Shahin Gelareh Shahin Gelareh is offline
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In my case, the source which I closed its outputports has already sent an item to a queue and I am going to collect from queue not from that sourc.

i need to avoid that source from generating but I am not directly receiving from it.


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