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From Andrea Gazzarini <a.gazzar...@gmail.com>
Subject Re: Help for building java trunk
Date Fri, 13 Mar 2009 20:59:30 GMT
I had the same problem some month ago...below you can find the corresponding
thread, hope it helps.Briefly: 1.5 compiler doesn't allow the usage of
@Override for implementors methods, just only for effective override.
This is supported (implementors) only from jdk 1.6

Regards,
Andrea

2009/1/15 Robbie Gemmell <gemmellr@dcs.gla.ac.uk>

> Perhaps you had already built it once at the top level when you ran the
> sub-module's build, and it works after the second compile.
>
> You were right as to why it happens though, and its a known issue. I
> believe all such occurrences were removed not that long ago in order to
> prevent this happening, but i recall seeing some traffic about threading
> even more recently, so this is probably just a new occurrence of it
> since then.
>
> Most people are using Java 6 compilers and targeting Java5, and it
> doesnt show up in that scenario so its quite easy for it to go unseen.
>
> Robbie
>
> On Thu, 2009-01-15 at 13:10 +0100, Andrea Gazzarini wrote:
> > Thanks Marnie, Thing is strange because the each module compiles fine..I
> > have this error only when I run ant from the java root...
> > Anyway, in order to see if my submitted work builds, I built common and
> > client modules separately.
> >
> > I will try your workaround too
> >
> > Thanks again.
> >
> > Andrea
> >
> >
> > 2009/1/15 Marnie McCormack <marnie.mccormack@googlemail.com>
> >
> > > Hi Andrea,
> > >
> > > There are some JIRAs around for this (the old ones are the best) - try
> > > running again, I believe it works the second time :-)
> > >
> > > Marnie
> > >
> > > On Thu, Jan 15, 2009 at 9:12 AM, Andrea Gazzarini <
> a.gazzarini@gmail.com
> > > >wrote:
> > >
> > > > Hi,
> > > > Ant issue has been solved! Finally I found ant and I'm able to run
> the
> > > > build.
> > > >
> > > > Now I have a question : the build fails if java 1.5 is used...is that
> > > > expected?
> > > >
> > > > Problem seems due to the fact that only from JDK1.6 the @Override
> > > > annotation
> > > > can be used for annotate an implementor method. JDK 1.5 requires that
> the
> > > > method is really overriden. QpidThreadExecutor.execute(Runnable)
> seems to
> > > > be
> > > > an implementation of the Executor inteface.
> > > >
> > > >
> > > >
> > >
> ================================================================================================
> > > > Buildfile: build.xml
> > > >     [echo] Running ant for module : client
> > > >
> > > > prepare:
> > > >
> > > > precompile:
> > > >
> > > > compile:
> > > >     [echo] Targeting : 1.5
> > > >    [javac] Compiling 134 source files to
> > > > /x1/home/agazzarini/qpid/trunk/qpid/java/build/client/classes
> > > >    [javac]
> > > >
> > > >
> > >
> /x1/home/agazzarini/qpid/trunk/qpid/java/client/src/main/java/org/apache/qpid/client/transport/QpidThreadExecutor.java:9:
> > > > method does not override a method from its superclass
> > > >    [javac]     @Override
> > > >    [javac]      ^
> > > >    [javac] Note: Some input files use or override a deprecated API.
> > > >    [javac] Note: Recompile with -Xlint:deprecation for details.
> > > >    [javac] Note: Some input files use unchecked or unsafe operations.
> > > >    [javac] Note: Recompile with -Xlint:unchecked for details.
> > > >    [javac] 1 error
> > > >
> > > > BUILD FAILED
> > > >
> > > >
> > >
> ============================================================================
> > > >
> > > > Regards,
> > > > Andrea
> > > >
> > > > 2009/1/15 Andrea Gazzarini <a.gazzarini@gmail.com>
> > > >
> > > > > Hi all,I just submitted QMan WS-DM so I'd need to run a manual
> build in
> > > > > order to see that all is working...
> > > > > I tried that on my machine and it builds ok but I'd like to run it
> on
> > > the
> > > > > apache machine too.
> > > > > Is ant installed on that machine? If so How can I use it?
> > > > >
> > > > > Regards,
> > > > > Andrea
> > > > >
> > > >
> > >
>

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