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java debug - breakpoint [message #485465]

Fri, 11 September 2009 19:52

Al Mising name

Messages: 123
Registered: July 2009

Senior Member

In the java debugger, is there a way to set a breakpoint such that it
breaks at the first place it enters (ie, whatever method happens to get
called) in a class?

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Re: java debug - breakpoint [message #485477 is a reply to message #485465]

Fri, 11 September 2009 21:17

Eric Rizzo

Messages: 3070
Registered: July 2009

Senior Member

On 9/11/09 3:52 PM, Al wrote:
> In the java debugger, is there a way to set a breakpoint such that it
> breaks at the first place it enters (ie, whatever method happens to get
> called) in a class?

You can set a Class Load Breakpoint, which will stop when the class is
being lodaed. Right-click on a class in the Package Explorer, Project
Explorer, or Types view and choose "Toggle class load breakpoint"

Hope this helps,
Eric

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Re: java debug - breakpoint [message #486049 is a reply to message #485477]

Wed, 16 September 2009 05:27

Lars Vogel

Messages: 1098
Registered: July 2009

Senior Member

Hi Eric,

cool, I didn't know this. I added the information to my Eclipse
Debugging Tutorial
http://www.vogella.de/articles/EclipseDebugging/article.html

I also added your name to the change log ("Added toogle class load
breakpoint tip from Eric Rizzo"), I hope this is ok.

Best regards, Lars

--
http://www.vogella.de/ - Eclipse plugin and Eclipse RCP Tutorials
http://www.twitter.com/vogella - vogella on Twitter

Eric Rizzo wrote:
> On 9/11/09 3:52 PM, Al wrote:
>> In the java debugger, is there a way to set a breakpoint such that it
>> breaks at the first place it enters (ie, whatever method happens to get
>> called) in a class?
>
> You can set a Class Load Breakpoint, which will stop when the class is
> being lodaed. Right-click on a class in the Package Explorer, Project
> Explorer, or Types view and choose "Toggle class load breakpoint"
>
> Hope this helps,
> Eric
>

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Re: java debug - breakpoint [message #486739 is a reply to message #485465]

Fri, 18 September 2009 20:39

Al Mising name

Messages: 123
Registered: July 2009

Senior Member

Eric,

Thanks for the response.

I don't think this is what I am looking for. I'm at a debugging, stting at a breakpoint, the constructor or methods in the class have been previously called before this, and now I want to know the next method that is called in the class.

I guess this is not possible.

Another breakpoint question...is it possible to break when the value of a variable changes?

Thanks again.
Al

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