On 5/31/12 15:27 , Tim Diekmann wrote:
From: Richard Hall <[email protected] <mailto:[email protected]>>
Reply-To: Equinox development mailing list <[email protected]
<mailto:[email protected]>>
Date: Wednesday, May 30, 2012 4:09 PM
To: Equinox development mailing list <[email protected]
<mailto:[email protected]>>
Subject: Re: [equinox-dev] Re-starting Equinox programmatically
I think calling refresh or update on the system bundle is supposed
to restart the framework.
That's not the same kind of refresh. I am trying to change framework
properties, which are immutable for a framework instance and require a
new instance to be created from the factory. During the creation, the
configuration is passed. However, Equinox internally uses a static
FrameworkProperties class variable to store the properties and in its
logic switches the framework class loader when it detects that it was
already configured. There is no way to un-set the properties in that
class and it is loaded by the AppClassLoader, so doesn't get reloaded
either.
Yeah, I see. That definitely makes it more complicated.
-> richard
On 5/30/12 5:06 PM, Tim Diekmann wrote:
Hi,
I am looking for a way to re-start the Equinox framework after it
has been started and stopped successfully.
In an initial attempt, I use the ServiceLoader to get the
EquinoxFactory and produce an Equinox instance. First start works
fine.
While this is all available from the standard spec, what makes my
question specific to Equinox is the fact that I configure an
AdapterHook in the launch properties.
Now, when I stop the instance and re-create it using the factory,
the Equinox Framework throws a ClassCastException during
initialization of the AdapterHooks as my private hook comes from a
different class loader.
During debugging I found that Equinox switched the class loader on
the second attempt, because the static FrameworkProperties class
has already created the properties and therefore switched the
class loader.
How it this supposed to work? How can you use the OSGi launch spec
and restart Equinox programmatically?
Thanks,
Tim.
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