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Very fast Job leaves behind two entries in progress viewer [message #328324]

Wed, 21 May 2008 15:18

Joerg Bullmann

Messages: 6
Registered: July 2009

Junior Member

Hi there,

I have a curious problem here using Eclipse Jobs for background data
processing. If I have a job that finishes very very quickly (before I can
even see the modal progress/cancel dialog) and I set the Job's
IProgressConstants.KEEP_PROPERTY to true, then I end up with two (yes,
TWO) entries in the standard eclipse progress viewer. There should be only
one, though.

Having added a Thread.wait(500) at the beginning of my run() method, I see
the problem going away.

Have consulted this:
http://www.eclipse.org/articles/Article-Concurrency/jobs-api .html -- what
might I be missing?

Cheers,
Joerg

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Re: Very fast Job leaves behind two entries in progress viewer [message #328421 is a reply to message #328324]

Sat, 24 May 2008 10:57

Felix Dorner

Messages: 676
Registered: July 2009

Senior Member

Hi Joerg,

i have the same problem. I dont know either whats going on. I call
job.schedule() only once but I get two popup progress views. (Thank god one
covers the other..) But it feels fishy somehow..

Felix

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Re: Very fast Job leaves behind two entries in progress viewer [message #328423 is a reply to message #328421]

Sat, 24 May 2008 11:10

Felix Dorner

Messages: 676
Registered: July 2009

Senior Member

Felix Dorner wrote:
> Hi Joerg,
>
> i have the same problem. I dont know either whats going on. I call
> job.schedule() only once but I get two popup progress views. (Thank god
> one covers the other..) But it feels fishy somehow..

Ha! I tried one last thing. In the my custom job constructor I removed
(setUser(true));

Now I only get one popup progress,cool. Maybe someone knows what was going on?

Felix

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Re: Very fast Job leaves behind two entries in progress viewer [message #328485 is a reply to message #328423]

Mon, 26 May 2008 13:44

Joerg Bullmann

Messages: 6
Registered: July 2009

Junior Member

Hi Felix and all,

Solved my problem. It was -- as in so many cases -- my fault.

From my Job object's run method I was (wrongly) returning a
Status.CANCEL_STATUS as a result of an internal error condition of my
business logic. So I guess Eclipse got confused because the user had not
cancelled the Job.

Have since changed it to return an object of my own status class
(implementing IStatus) and it now works just fine.

Cheers,
Joerg

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