If it isn't a deal breaker, I'd say keep Java 5 support..if that changes in
the future, it changes..at least folks would have a version of log4j2 that
worked on Java5.

Scott


On Tue, Feb 26, 2013 at 11:48 AM, Ralph Goers <ralph.go...@dslextreme.com>wrote:

> No - I am actually using the Java 6 compiler and it is allowing
> AbstractStringLayout to reference a method that is in Java 6 but not Java
> 5.  The code is actually testing if the method exists so it won't get an
> error when running in Java 5 but will use a less efficient method instead.
>  By specifying the source we are documenting that Java 6 is the minimum
> compiler version we support.
>
> If specifying Java 6 for both source and target is what the majority
> thinks is best I am OK with that. I actually have no pressing need to
> support Java 5 for my own purposes.
>
> Ralph
>
>
> On Feb 26, 2013, at 11:26 AM, Jacob Kjome wrote:
>
> >
> > All "-source 1.6" does above and beyond 1.5 is allow for using
>  "@Override" on overridden interface methods, which is nice but not
>  critical; certainly no reason to switch to Java 6.
> >
> > What you actually seem to be proposing to use "-target 1.6" because you
> wish to bind to 1.6+ API.  This will both prevent compilation with any JDK
> less than 1.6 and allow for creating 1.6 compatible binaries under later
> JDKs.
> >
> > If there is API in 1.6 that we simply can't live without to produce a
> quality logging implementation, then go for it, since 1.5 is pretty
> outdated.  But if it's just minor stuff that could be worked around using
> existing 1.5 API, there are plenty of users stuck with JDK 1.5 that will be
> left out of using Log4j2 for no good reason.
> >
> > In any case, the bug is primarily in our release process rather than
> code.  It is due to the fact that we are generating official release
> artifacts using a JDK (6 or 7) later than the specified target JDK (5).
>  While javac source/target allows for a flexible build system by not
> forcing everyday users to install an older JDK in order to generate
> artifacts compatible with documented target JDK, project release managers
> should *****always***** use the documented target JDK to generate official
> release artifacts to avoid accidentally introducing bindings to API that
> exists in later JDKs, but not the documented target JDK that the project
> claims to be compatible with.  Had this been done, this issue would have
> been caught long before any official release.
> >
> > So, decide on a JDK to target and then actually use that JDK to generate
> official release artifacts, rather than some arbitrary later one, and we'll
> never run into this issue again.
> >
> >
> > Jake
> >
> > On Mon, 25 Feb 2013 23:24:50 -0800
> >  Ralph Goers <ralph.go...@dslextreme.com> wrote:
> >> Remko found a bug in AbstractStringLayout where the code actually
> requires Java 6 to compile although it should run fine with Java 5.  Does
> anyone have a problem with setting the compile source setting to 1.6 for
> Log4j 2?  That is actually what I have been building all the releases with
> anyway.
> >> Ralph
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