Re: Using a Java Space from an OSGi bundle

Harald

Number=20(2)=20is=20closest=20to=20the=20answer=20we=20came=20up=20with.=20=
However,=20the=20thing=20is,
Jini=20and=20OSGi=20have=20very=20different=20approaches=20to=20classloadi=
ng.=20Making=20these
work=20together=20is=20far=20from=20trivial,=20so=20unfortunately=20we=20c=
an't=20provide=20you
with=20a=20straightforward=20fix.=20

If=20you=20want=20to=20get=20a=20better=20idea=20of=20some=20of=20the=20co=
mplexities=20involved=20here,
then=20take=20a=20look=20at=20the=20discussion=20paper=20at
http://www.paremus.com/downloads/downloads_engineering.html=20=20

In=20terms=20of=20the=20Knopflerfish=20Jini=20Driver=20bundle=20I=20do=20n=
ot=20believe=20that=20this
works=20with=20the=20latest=20version=20of=20Jini=20and=20the=20spec=20is=20=
no=20longer=20maintained
by=20OSGi.=20=20It=20may=20run=20but=20I=20don=92t=20think=20it=20addresse=
s=20your=20problem=20anyway.

Regards
Mike

-----Original=20Message-----
From:=20Wellmann,=20Harald=20[mailto:[email protected]]=20
Sent:=2013=20September=202007=2016:52
To:[email protected]
Cc:[email protected]
Subject:=20AW:=20Using=20a=20Java=20Space=20from=20an=20OSGi=20bundle

Thanks,=20this=20demo=20pretty=20much=20corresponds=20to=20my=20use=20case=
,=20but=20if=20I=20see=20it
working=20in=20Newton,=20I=20still=20don't=20know=20what's=20going=20on=20=
there=20and=20how=20to=20make
it=20work=20in=20my=20own=20environment.

So=20what=20is=20the=20key=20to=20solving=20the=20problem:

1)=20Publishing=20all=20classes=20from=20exported=20packages=20from=20OSGi=
=20bundles=20as=20an=20RMI
codebase?
2)=20Somehow=20tell=20the=20OSGi=20framework=20that=20the=20downloaded=20J=
avaSpace=20proxy=20shall
be=20regarded
=20=20=20as=20local=20code=20and=20use=20the=20same=20class=20loaders.
3)=20Or=20a=20combination=20of=201)=20and=202).

I=20tried=20exporting=20my=20Entry=20classes=20on=20an=20HTTP=20server=20a=
nd=20set=20the
java.rmi.server.codebase=20on=20my=20OSGI=20VM=20accordingly.=20This=20got=
=20my=20a=20little
further,=20I=20could=20now=20take=20entries=20from=20the=20space,=20but=20=
then=20I=20got=20a
ClassCastException=20"Cannot=20cast=20MyEntry=20to=20MyEntry",=20apparentl=
y=20because
MyEntry=20from=20the=20code=20base=20is=20not=20the=20same=20as=20MyEntry=20=
from=20the=20OSGi=20class
loader.

I=20saw=20that=20Knopflerfish=20has=20a=20Jini=20Driver=20bundle=20which=20=
seems=20to=20do=201).=20Would
that=20solve=20my=20problem?

Regards,
Harald

>-----Urspr=FCngliche=20Nachricht-----
>Von:=20Mike=20Francis=20[mailto:[email protected]]=20
>Gesendet:=20Donnerstag,=2013.=20September=202007=2017:08
>An:=20Wellmann,=20Harald;[email protected]
>Betreff:=20RE:=20Using=20a=20Java=20Space=20from=20an=20OSGi=20bundle
>
>Harald
>
>The=20specific=20example=20with=20detailed=20instructions=20can=20be=20fo=
und=20
>at=20http://newton.codecauldron.org/Scatter+Gather+Demo.=20If=20you=20
>think=20these=20can=20be=20improved=20upon=20we=20welcome=20your=20feedba=
ck.
>
>If=20you=20require=20any=20further=20assistance=20on=20Newton=20specifica=
lly=20
>please=20post=20to=20the=20Newton=20Dev=20list=20-=20you=20can=20subscrib=
e=20to=20this=20
>at=20http://newton.codecauldron.org/mailman/listinfo/dev=20or=20
>contact=20me=20directly.
>
>Regards
>Mike=20
=20
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