[rules-users] Problems using functions in .drl file

[Keith Bennett]

Thanks for the update.  I still have a couple questions:

Which back version of the Drools IDE can I use with Java 1.4 set as the
compiler?

Or possibly even better, is it safe to set the 'Compiler compliance level'
setting to Java 5 while setting the 'Generated .class files compatibility'
and 'Source compatibility' settings to 1.4?  That's something I've never
done, but hopefully it would allow me to use the latest version of the IDE.

My client has WebSphere 5.x deployed and must stay on Java 1.4 for now, so I
have to develop my code to be 1.4 compliant.  However, I want to utilize the
Drools engine and IDE to develop a rules component for them.  I hope I can
get this environment working.


On 1/8/08, Michael Neale <michael.neale at gmail.com> wrote:
>
> I think you need java 5 for the ide even though the engine can run
> with 1.4
>
> Sent from my iPhone
>
> On 08/01/2008, at 5:57, "Keith Bennett" <forthwind at gmail.com> wrote:
>
> > I am having problems using functions in my .drl file.  When I add a
> > function, I get the following two errors:
> >
> > ImportError: PackageName.Function.function
> > Syntax error, static imports are only available if source level is 5.0
> >
> > Has anyone else seen this?  I am using Eclipse 3.2.2, Eclipse Drools
> > IDE 4.0.3, and JDK 1.4.  It appears as though I can't use the IDE
> > unless I'm at JDK 5.0???
> >
> > One interesting thing is that if I modify my 'Compiler compliance
> > level', 'Generated .class files compatibility', and 'Source
> > compatibility' settings to 1.4, the .drl compile errors go away.
> > But as soon as I close Eclipse and reopen it, the errors show up
> > again.  I appreciate any help you can provide!  Thanks.
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