| Thread active only when debuggin in JDT [message #779479] |
Sun, 15 January 2012 21:21  |
 peluo uo
Messages: 1
Registered: January 2012 |
Junior Member |
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Hi to everyone.
I'm working with JDT Indigo 20110916-0149, in OpenSuse 64 bits.
I have a program with a weird behaviour. It has a thread that only is active when I put a break point on it and debug in step by step mode. Free running or free debugging (without break points) does not work. Afther this break point is reached, the program runs as expected.
My first idea was a problem with thread interlocks, but the thing is that it is not really "stopped" it is active but only in step by step.
Any idea?
Thanks in advance.
[Updated on: Sun, 15 January 2012 21:22] Report message to a moderator |
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| Re: Thread active only whe debuggin in JDT [message #779486 is a reply to message #779479] |
Sun, 15 January 2012 21:47  |
David Wegener
Messages: 1445
Registered: July 2009 |
Senior Member |
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On 01/15/2012 03:21 PM, peluo uo wrote:
> Hi to everyone.
>
> I'm working with JDT Indigo 20110916-0149, in OpenSuse 64 bits.
>
> I have a program with a weird behaviour. It has a thread that only is
> active when I put a break point on it and debug in step by step mode.
> Free running or free debugging (without break points) does not work.
> Afther this break point is reached, the program runs as expected.
>
> My first idea was a problem with thread interlocks, but the thing is
> that it is not really "stopped" it is active but only in step by step.
>
> Any idea?
>
> Thanks in advance.
There are any number of reasons that this could be happening. Threads
are very susceptible to race conditions that can cause strange
behaviors. Adding breakpoints to the program completely changes the
thread interactions.
Some things that could be happening, thread trying to access variable
prior to initialization, exception being thrown because state isn't
correct, thread exiting prematurely, etc.
You haven't provided enough information or done enough debugging for us
to provide a more meaningful response.
Note that this is also doesn't seem to be an Eclipse related question,
but a more general Java development question. This forum is for
questions about the Eclipse Java Development tools not general Java
questions.
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