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From Eric Yang <>
Subject Re: When I start chukwa collector or agent twice
Date Wed, 19 Dec 2012 03:32:45 GMT
Yes, this is a known problem.  In bin/chukwa script, there should be some
logic to check for pid file before starting another instance of the
process.  This would prevent the overwriting pid file problem.  Patches are


On Tue, Dec 18, 2012 at 4:57 PM, GuoWei <> wrote:

> Hi,
> If I forgot to stop collector before start a collector. Then I will get
> message the file can not be written.
> Then I can not stop collector by the command "sudo bin/chukwa collector
> stop".  Because start twice will assign new PID and new port to collector.
> And the new PID is not written into the file.
> And I can not find the PID by the port because the port is not 8080.
> Does anyone meet the same problem ? And how to stop collector/agent in
> this situation?
> Thanks

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