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Subject: =?UTF-8?Q?Re:_Commons_DBCP_-_upgrade_to_1.4=3F?=
From: =?UTF-8?Q?Mi=C5=82osz_Tylenda?= <mtylenda@o2.pl>
To: dev@openjpa.apache.org
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Date: Mon, 13 Sep 2010 22:40:29 +0200
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Hi=20Donald,

Yes,=20I=20am=20asking=20about=20trunk=20only.

If=20we=20stick=20with=20commons-dbcp-1.2.2:
+=20Users=20can=20run=20openjpa-all=20and=20use=20connection=20pooling=20=
out-of-the-box=20on=20JDK5=20and=20JDK6.
-=20The=20XML=20test=20case=20will=20fail=20on=20Oracle,=20actually=20it=20=
is=20worse=20as=20it=20hangs=20up=20the=20test=20suite=20(we=20do=20not=20=
perform=20rollback=20on=20java.lang.Error?)
-=20Users=20who=20want=20to=20use=20JDBC=204=20calls=20in=20their=20apps=20=
along=20with=20openjpa-all=20and=20connection=20pooling=20will=20fail,=20=
they=20need=20to=20upgrade=20dbcp.

If=20we=20upgrade=20to=20commons-dbcp-1.4:
+=20Users=20can=20use=20JDBC=204=20along=20with=20openjpa-all=20and=20con=
nection=20pooling=20out-of-the-box=20on=20JDK6.
+=20No=20test=20suite=20problem.
-=20Users=20can't=20run=20openjpa-all=20and=20use=20connection=20pooling=20=
out-of-the-box=20on=20JDK5,=20need=20to=20downgrade=20dbcp=20themselves.

The=20upgrade=20is=20debatable.=20Since=20in=20the=20other=20thread=20we=20=
voted=20to=20drop=20JDK5=20support=20in=20trunk=20and=20the=20move=20to=20=
JDBC=204=20is=20likely=20to=20happen=20sooner=20or=20later=20I=20am=20in=20=
favor=20of=20doing=20the=20upgrade.

BTW,=20if=20commons-dbcp-1.4=20jar=20was=20not=20compiled=20into=20JDK6=20=
class=20file=20format,=20it=20could=20work=20with=20JDK5=20too.=20I=20was=
=20running=20JDBC=204=20drivers=20in=20JDK5=20with=20success,=20the=20sam=
e=20looks=20possible=20with=20connection=20pooling/delegation.

Cheers,
Milosz


Dnia=2013=20wrze=C5=9Bnia=202010=2015:16=20Donald=20Woods=20<dwoods@apach=
e.org>=20napisa=C5=82(a):

>=20I=20assume=20you're=20asking=20about=20trunk?=20=20The=20only=20conce=
rn,=20is
>=20commons-dbcp-1.4=20is=20ONLY=20supported=20on=20JDK6=20and=20later,=20=
while=20the=20trunk
>=20code=20can=20still=20run=20on=20JDK5=20(with=20the=20exception=20of=20=
a=20few=20JPA2=20features.)
>=20
>=20It=20looked=20like=20we=20had=20enough=20support=20in=20another=20thr=
ead=20to=20drop=20JDK5
>=20support=20in=20trunk,=20but=20everyone=20needs=20to=20understand=20th=
e=20JDK6=20dependency
>=20and=20that=20our=20openjpa-all=20JAR=20will=20then=20only=20work=20on=
=20JDK6+....
>=20
>=20-Donald
>=20
>=20
>=20On=209/12/10=204:26=20AM,=20Mi=C5=82osz=20Tylenda=20wrote:
>=20>=20Hi=20All,
>=20>=20
>=20>=20We=20use=20commons-dbcp=201.2.2=20which=20implements=20JDBC=203=20=
only.=20I=20am=20hit=20by=20this=20in=20OPENJPA-1691=20-=20this=20would=20=
be=20the=20first=20JDBC=204=20use=20in=20OpenJPA=20-=20and=20would=20try=20=
to=20upgrade=20commons-dbcp=20to=201.4=20which=20implements=20JDBC=204=20=
[1].=20Does=20anyone=20see=20obstacles?
>=20>=20
>=20>=20Regards,
>=20>=20Milosz
>=20>=20
>=20>=20[1]=20http://commons.apache.org/dbcp/changes-report.html
>=20>=20
>=20>=20
>=20