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From "Peter Reilly" <peter.kitt.rei...@gmail.com>
Subject Re: a problem compiling a Java 5 project with generics
Date Tue, 17 Oct 2006 14:44:22 GMT
On 10/17/06, Jan.Materne@rzf.fin-nrw.de <Jan.Materne@rzf.fin-nrw.de> wrote:
> Works for me with Ant 1.6.5 and 1.7beta2 and the given java sources (with and without
the commented line).
>
> <project>
>     <delete dir="." includes="**/*.class"/>
>     <javac srcdir="." destdir="."/>
> </project>
This works by itself, but touch Test3.java and run again.
Peter
>
>
>
> Jan
>
> >-----Urspr√ľngliche Nachricht-----
> >Von: Peter Reilly [mailto:peter.kitt.reilly@gmail.com]
> >Gesendet: Dienstag, 17. Oktober 2006 11:39
> >An: Ant Users List
> >Betreff: Re: a problem compiling a Java 5 project with generics
> >
> >Can you enter a bugzilla report about this.
> >It is very strange.
> >
> >I tried on the commandline:
> >
> >javac -target 1.5 -g -source  1.5 -sourcepath src -d
> >build\classes src\org\test\Test3.java
> >
> >which works fine - and looks very like the command used by ant.
> >
> >Peter
> >
> >
> >On 10/17/06, Chavdar Botev <cbotev@gmail.com> wrote:
> >> Hi
> >>
> >> For some reason, the mailing server included only the first
> >> attachment. Since this is the fourth or the fifth time I am
> >trying to
> >> send the java files, I give up. I'll inline them in the message.
> >>
> >> // src/test/Base.java
> >> package test;
> >> public class Base {}
> >>
> >>
> >> // src/test/Sub.java
> >> package test;
> >> public class Sub extends Base {}
> >>
> >> // src/test/Test1.java
> >> package test;
> >> public class Test1<T extends Base> {
> >>         public class Inner1 {
> >>                 protected T v;
> >>                 public Inner1(T v) {this.v = v;}
> >>                 public T getV() {return this.v;}
> >>         }
> >>         public Inner1 getInner(T v) {return new Inner1(v);} }
> >>
> >> // src/test/Test2.java
> >> package test;
> >> public class Test2<T extends Base> extends Test1<T> {
> >>         public class Inner2 extends Inner1 {
> >>                 public Inner2(T v) {super(v);}
> >>                 //public T getV() {return this.v;}
> >>         }
> >> }
> >>
> >> // src/test/Test3.java
> >> package test;
> >> public class Test3 extends Test2<Sub> {
> >>         public class Inner3 extends Inner2 {
> >>                 public Inner3(Sub v) {super(v);}
> >>                 public Sub p() {return this.getV();}
> >>         }
> >>
> >>         public Inner3 g() {
> >>                 return new Inner3(new Sub());
> >>         }
> >> }
> >>
> >>
> >> HTH,
> >> Chavdar
> >>
> >>
> >> On 10/16/06, Petar Tahchiev <paranoiabla@gmail.com> wrote:
> >> > On 17/10/06, Chavdar Botev <cbotev@gmail.com> wrote:
> >> > >
> >> > > Hi!
> >> > >
> >> > > I've come accross the following problem trying to compile Java 5
> >> > > classes with generics using Ant 1.6.5. I've attached
> >project with
> >> > > sample Java classes and a build.xml file.
> >> > >
> >> > > NOTE: Please create a src/test subdirectory and save the
> >attached
> >> > > .java files into it. The mailing list server gave me a hard time
> >> > > acepting an email with the archived project files. :(
> >> > >
> >> > > A clean build of the above project works just fine and compiles
> >> > > without a problem. If after that, I touch the Test3.java
> >file the
> >> > > build fails with the following error:
> >> > >
> >> > [javac] C:\src\appforge\test\src\test\Test3.java:5: incompatible
> >> > types
> >> > > [javac] found   : test.Base
> >> > > [javac] required: test.Sub
> >> > > [javac] public Sub p() {return this.getV();} [javac] ^ [javac] 1
> >> > > error
> >> >
> >> >
> >> > I must admit that this behaviour is really strange. I am
> >interested
> >> > in helping you but the problem is that I didn't receive any .java
> >> > files. Please try to prvide them again.
> >> >
> >> >
> >> > Initially, I thought that this was a problem with the Java
> >compiler.
> >> > > After touching Test3.java, I tried running javac manually:
> >> > >
> >> > > javac -sourcepath src -d bin -g -source 1.5 -target 1.5
> >> > > src\test\*.java
> >> > >
> >> > > It turned out that with the above command-line the project
> >> > > compiled OK. The project also compiles without a problem
> >in Eclipse 3.2.1.
> >> > >
> >> > > Am I missing anything? It is my understanding that the
> >build file
> >> > > and the command line should produce the same results.
> >> > >
> >> > > Upon further experimentation, if I uncomment the method in
> >> > > Test2.java fixes the problem. Touching Test3.java does
> >not break the build.
> >> > >
> >> > > Thanks,
> >> > > Chavdar
> >> > >
> >> > >
> >> > >
> >------------------------------------------------------------------
> >> > > --- To unsubscribe, e-mail: user-unsubscribe@ant.apache.org For
> >> > > additional commands, e-mail: user-help@ant.apache.org
> >> > >
> >> > >
> >> > >
> >> >
> >> >
> >> > --
> >> > Regards, Petar!
> >> > Karlovo, Bulgaria.
> >> >
> >> >
> >>
> >> ---------------------------------------------------------------------
> >> To unsubscribe, e-mail: user-unsubscribe@ant.apache.org For
> >additional
> >> commands, e-mail: user-help@ant.apache.org
> >>
> >>
> >
> >---------------------------------------------------------------------
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> >additional commands, e-mail: user-help@ant.apache.org
> >
> >
>
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