Failed for me using Fedora Core 5, sun JDK 1.5_08
I don't think its javac as I was able to do this:
touch src/test/Test3.java
javac -d bin -sourcepath src -classpath bin src/test/Test3.java
Javac seems to find everything correctly...but the javac task in ant is
having difficulties. One thing to note is that the generics referred to
by the inner classes are defined in terms of the outer class.
James Abley wrote:
Fails for me:
Ubuntu Dapper, Ant 1.6.5, Sun JDK 1.5.0_07
<project>
<javac srcdir="." destdir="."/>
</project>
bash:$ ant -v
bash:$ touch test/Test3.java
bash:$ ant -v
[javac] /work/ant-test/ant-generics/test/Test3.java
[javac] /work/ant-test/ant-generics/test/Test3.java:8:
incompatible types
[javac] found : test.Base
[javac] required: test.Sub
[javac] public Sub p() {return this.getV();}
Is this a javac issue rather than ANT issue? I can provide more
information if required.
James
[EMAIL PROTECTED] wrote:
Also no problems .... on WinXP, Ant 1.6.5 and Java 1.5.0_06-b05.
setant 165
Apache Ant version 1.6.5 compiled on June 2 2005
setjava 15
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_06-b05)
Java HotSpot(TM) Client VM (build 1.5.0_06-b05, mixed mode, sharing)
del test\*.class
ant -v
Project base dir set to: C:\tmp\ant-generics
[javac] build.xml skipped - don't know how to handle it
[javac] test\Base.java added as test/Base.class doesn't exist.
[javac] test\Sub.java added as test/Sub.class doesn't exist.
[javac] test\Test1.java added as test/Test1.class doesn't exist.
[javac] test\Test2.java added as test/Test2.class doesn't exist.
[javac] test\Test3.java added as test/Test3.class doesn't exist.
[javac] Compiling 5 source files to C:\tmp\ant-generics
[javac] Using modern compiler
[javac] Compilation arguments:
[javac] '-d'
[javac] 'C:\tmp\ant-generics'
[javac] '-classpath'
[javac] ' LOT-OF-LIBS-FROM-ANT '
[javac] '-sourcepath'
[javac] 'C:\tmp\ant-generics'
[javac] '-g:none'
[javac]
[javac] The ' characters around the executable and arguments are
[javac] not part of the command.
[javac] Files to be compiled:
[javac] C:\tmp\ant-generics\test\Base.java
[javac] C:\tmp\ant-generics\test\Sub.java
[javac] C:\tmp\ant-generics\test\Test1.java
[javac] C:\tmp\ant-generics\test\Test2.java
[javac] C:\tmp\ant-generics\test\Test3.java
BUILD SUCCESSFUL
ant -v
NOTHING-TO-COMPILE
touch test\Test3.java (using Cygwin)
ant -v
Project base dir set to: C:\tmp\ant-generics
[javac] build.xml skipped - don't know how to handle it
[javac] test\Base.class skipped - don't know how to handle it
[javac] test\Base.java omitted as test/Base.class is up to date.
[javac] test\Sub.class skipped - don't know how to handle it
[javac] test\Sub.java omitted as test/Sub.class is up to date.
[javac] test\Test1$Inner1.class skipped - don't know how to
handle it
[javac] test\Test1.class skipped - don't know how to handle it
[javac] test\Test1.java omitted as test/Test1.class is up to date.
[javac] test\Test2$Inner2.class skipped - don't know how to
handle it
[javac] test\Test2.class skipped - don't know how to handle it
[javac] test\Test2.java omitted as test/Test2.class is up to date.
[javac] test\Test3$Inner3.class skipped - don't know how to
handle it
[javac] test\Test3.class skipped - don't know how to handle it
[javac] test\Test3.java added as test/Test3.class is outdated.
[javac] Compiling 1 source file to C:\tmp\ant-generics
[javac] Using modern compiler
[javac] Compilation arguments:
[javac] '-d'
[javac] 'C:\tmp\ant-generics'
[javac] '-classpath'
[javac] ' LOT-OF-LIBS-FROM-ANT '
[javac] '-sourcepath'
[javac] 'C:\tmp\ant-generics'
[javac] '-g:none'
[javac]
[javac] The ' characters around the executable and arguments are
[javac] not part of the command.
[javac] File to be compiled:
[javac] C:\tmp\ant-generics\test\Test3.java
BUILD SUCCESSFUL
build.xml:
<project>
<javac srcdir="." destdir="."/>
</project>
Jan
-----Ursprüngliche Nachricht-----
Von: Peter Reilly [mailto:[EMAIL PROTECTED] Gesendet:
Dienstag, 17. Oktober 2006 16:44
An: Ant Users List
Betreff: Re: a problem compiling a Java 5 project with generics
On 10/17/06, [EMAIL PROTECTED] <[EMAIL PROTECTED]>
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
-----Ursprüngliche Nachricht-----
Von: Peter Reilly [mailto:[EMAIL PROTECTED]
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 <[EMAIL PROTECTED]> 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 <[EMAIL PROTECTED]> wrote:
On 17/10/06, Chavdar Botev <[EMAIL PROTECTED]> 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
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