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weaving or not [message #386017]

Thu, 19 March 2009 13:07

Tom Eugelink

Messages: 817
Registered: July 2009

Senior Member

In the EclipseLink initialization code I need to set whether we are weaving or not:

cfg.put(PersistenceUnitProperties.WEAVING, "true");

However, this in fact is determined at runtime, by:
- the fact that the BM jar in the classpath is preweaved
- the fact that the -javaagent:eclipselink1.0.2.jar option is present

If I were to change my runtime configuration and remove the javaagent option and add the preweaved jar, that should be enough to allow a correct start. However, now I still need to make a compile-time change to the configuration to set weaving to false.

Is it possible to detect at runtime if the agent is weaving so the option can be set correctly?

Tom

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Re: weaving or not [message #386055 is a reply to message #386017]

Mon, 23 March 2009 13:34

James Sutherland

Messages: 1939
Registered: July 2009
Location: Ottawa, Canada

Senior Member

You should be able to always set weaving to true, as I think the inverse
will work even if weaving did not occur, then weaved features will not be
enabled.

I think there are some features that currently auto-detect weaving, and
others that require the weaving option be set. You could log a bug to
have everything be able to auto-detect, in theory it seems that it would
be possible.

---
James
http://www.nabble.com/EclipseLink---Users-f26658.html

James : Wiki : Book : Blog : Twitter

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Re: weaving or not [message #386061 is a reply to message #386055]

Mon, 23 March 2009 14:14

Tom Eugelink

Messages: 817
Registered: July 2009

Senior Member

James wrote:
> You should be able to always set weaving to true, as I think the inverse
> will work even if weaving did not occur, then weaved features will not
> be enabled.

I stepwise tried to make the preweaved jar work, but I needed to set that option to false. Maybe 1.1 will behave better, I but have an exception there ATM (reported in another thread).

[RT] Bug#: 269688

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