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From Sebastien Boving <sebast...@cirquedigital.com>
Subject Re: Ant 1.4.1 / JDK 1.4 beta3: '
Date Wed, 05 Dec 2001 00:48:48 GMT
Paul Gregoire wrote:

> I dont see anything obviously wrong with your env one minor change you might
> want to consider is to place the %PATH% at the end of your PATH env

There was a mistake in that PATH. But that's not the problem, corrected it (to
d:\soft\win-ix86\jakarta-ant-1.4\bin;d:\soft\win-ix86\jdk\1.3.1_01\bin;C:\Winnt;C:\winnt\system32),
still the same thing.

> variable. Also i construct my javac tasks like so..

I tried this but it doesn't help either.
I don't see why something as simple as:

  <target name="compile">
    <javac srcdir="." destdir="." debug="on">
      <include name="*.java"/>
    </javac>
  </target>

doesn't work with any JDK version / Ant version i try. I used this many times
before, only difference is that i know try this on a Windows platform,
previously always linux.

I'll send this issue to the ant-dev mailing list, maybe someone has a clue how
this modern / classic test is exactly implemented. The '-debug' option doesn't
explain why no modern compiler is detected.

-seb.



>
>
>  <path id="lib.path">
>   <pathelement path="${env.CLASSPATH}" />
>   <pathelement path="${env.LOCALCLASSPATH}" />
>   <pathelement location="${build}" />
>   <fileset dir="${build}" casesensitive="yes" >
>        <include name="**/*.class"/>
>   </fileset>
>   <fileset dir="${ext}" casesensitive="no" >
>    <include name="junit.jar" />
>    <include name="ZKM.jar" />
>    <include name="jdom.jar" />
>    <include name="xerces.jar" />
>   </fileset>
>   <fileset dir="${dist.lib.path}" casesensitive="no" >
>    <include name="**/*.jar"/>
>   </fileset>
>  </path>
>
> <target .....
>
>   <javac
>    srcdir   = "${src}"
>    destdir  = "${build}"
>    includes = "**/*.java"
>    excludes = "**/Test*.java"
>    includeAntRuntime = "false"
>    classpathref="lib.path"
>   >
>   </javac>
>
> </target>
>
> Some may call my lib.path overkill but it works great for me.. oh btw i dont
> use JDK 1.4 yet so im no expert. :)
>
> -----Original Message-----
> From: Sebastien Boving [mailto:sebastien@cirquedigital.com]
> Sent: Tuesday, December 04, 2001 3:50 PM
> To: Ant Users List
> Subject: Re: Ant 1.4.1 / JDK 1.4 beta3: '
>
>
>
> Paul Gregoire wrote:
>
> I thought i read "somewhere" that -classic was no longer supported with 1.4;
>
> i noticed these items over at SUN..
>
> Yes, but why doesn't the default 'modern' compiler work? I simply cannot get
> any compilation to work. Not even with JDK 1.3.1!
>
> I'm now running everything locally (Ant, JDK, *.java and build.xml), and in
> a cmd.exe (instead of my cygwin tcsh which sometimes generates path
> separation issues).
>
> Take a look at the following and tell me if there's any check i'm
> forgetting:
>
> D:\temp\test>dir
>  Volume in drive D is soft
>  Volume Serial Number is D478-F8F7
>
>  Directory of D:\temp\test
>
> 12/04/2001  03:39p      <DIR>          .
> 12/04/2001  03:39p      <DIR>          ..
> 12/04/2001  03:29p                 283 build-compile.xml
> 12/04/2001  03:39p                  23 test.java
>                3 File(s)            313 bytes
>                2 Dir(s)     592,474,112 bytes free
>
> D:\temp\test>echo %JAVA_HOME%
> d:\soft\win-ix86\jdk\1.3.1_01
>
> D:\temp\test>echo %PATH%
> $PATH;d:\soft\win-ix86\jakarta-ant-1.4\bin;d:\soft\win-ix86\jdk\1.3.1_01\bin
> ;
>
> D:\temp\test>dir %JAVA_HOME%\lib\tools.jar
>  Volume in drive D is soft
>  Volume Serial Number is D478-F8F7
>
>  Directory of d:\soft\win-ix86\jdk\1.3.1_01\lib
>
> 08/08/2001  01:14p           4,710,905 tools.jar
>                1 File(s)      4,710,905 bytes
>                0 Dir(s)     592,474,112 bytes free
>
> D:\temp\test>type build-compile.xml
> <?xml version="1.0" encoding="UTF-8"?>
> <project name="test-compile" default="compile" basedir=".">
>
>   <target name="compile">
>     <javac srcdir="." destdir="." debug="on"
>       <include name="*.java"/>
>     </javac>
>   </target>
>
> </project>
>
> D:\temp\test>ant -f build-compile.xml
> Buildfile: build-compile.xml
>
> compile:
>     [javac] Modern compiler is not available - using classic compiler
>     [javac] Compiling 1 source file to D:\temp\test
>
> BUILD FAILED
>
> D:\temp\test\build-compile.xml:6: Cannot use classic compiler, as it is not
> avai
> lable A common solution is to set the environment variable JAVA_HOME to your
> jdk
>  directory.
>
>
> The javac byte-code compiler has a new -source option that enables support
> for compiling source code containing assertions. Also, default compilation
> is for -target 1.2. Previously, the default was 1.1. The compiler now
> correctly detects unreachable empty statements,
>
> and
>
> The Java virtual machines in this release include several enhancements.
>
> Signal-chaining facility.
> 64-bit support on SolarisTM-SPARCTM platform edition.
> Error-reporting mechanism.
> New facility for logging garbage-collection events.
> The Classic virtual machine is no longer shipped as part of the Java 2 SDK.
>
> -----Original Message-----
> From: Sebastien Boving [ mailto:sebastien@cirquedigital.com
> <mailto:sebastien@cirquedigital.com> ]
> Sent: Tuesday, December 04, 2001 2:41 PM
> To: ant-user@jakarta.apache.org
> Subject: Re: Ant 1.4.1 / JDK 1.4 beta3: '
>
>
> Some more on this 'Modern compiler is not available / Cannot use classic
> compiler' problem:
>
> I've been trying Ant 1.4, and JDK 1.3.1_01, local installations iso having
> these reside on a SMB server: always the same problem.
> I do set JAVA_HOME properly, and setting CLASSPATH to tools.jar doesn't help
>
> either. Building using a minimal build file still gives me the error
> message.
>
> If i run 'ant -debug', i do get tools.jar in 'java.class.path'.
>
> There must be something very basic that's wrong (some other environment in
> this machine / ...) on this Win2k machine.
>
> tia,
> Sebastien.
>
>
> Sebastien Boving wrote:
>
> Hi,
>
> I'm having problems getting Ant 1.4.1 to work with JDK 1.4 beta3.
> I get the 'Cannot use classic compiler' error:
>
> [seb@ART002001] 150 # ant compile
> Buildfile: build.xml
>
> init:
>
> compile:
>     [javac] Modern compiler is not available - using classic compiler
>     [javac] Compiling 11 source files to H:\dev\java\obj
>
> BUILD FAILED
>
> H:\dev\java\build.xml:14: Cannot use classic compiler, as it is not
> available A common solution is to set the environment variable JAVA_HOME to
> your jdk directory.
>
> Total time: 3 seconds
> Exit 1
>
>
> I looked this up in the archives, and it seems other people had this
> problem, but the solution was always adding tools.jar to the classpath (or
> setting up JAVA_HOME correctly). I however think these things are fine, and
> running ant in debug mode seems to confirm this:
>
> Mon 03/12/01 18:55 H:/dev/java
> [seb@ART002001] 151 # ant -debug compile |& less
> Ant version 1.4 compiled on September 3 2001
> Buildfile: build.xml
> Setting project property: ant.java.version -> 1.4
> Detected Java version: 1.4 in: s:\soft\win-ix86\j2sdk\1.4.0b3\jre
> Detected OS: Windows 2000
>  +User task: tar     org.apache.tools.ant.taskdefs.Tar
>  +User task: fail     org.apache.tools.ant.taskdefs.Exit
> [...]
> Setting project property: java.specification.version -> 1.4
> Setting project property: java.class.path ->
> s:\soft\common\ant\1.4.1\lib\optional.jar;s:\soft\common\ant\1.4.1\lib\jaxp.
>
> jar;s:\soft\common\ant\1.4.1\lib\crimson.jar;s:\soft\common\ant\1.4.1\lib\an
>
> t.jar;s:\soft\win-ix86\j2sdk\1.4.0b3\lib;s:\soft\win-ix86\j2sdk\1.4.0b3\lib\
>
> tools.jar;s:\soft\win-ix86\j2sdk\1.4.0b3\lib\tools.jar
> Setting project property: user.name -> seb
> Setting project property: java.vm.specification.version -> 1.0
> Setting project property: java.home -> s:\soft\win-ix86\j2sdk\1.4.0b3\jre
> [...]
>
> BUILD FAILED
>
> H:\dev\java\build.xml:14: Cannot use classic compiler, as it is not
> available A common solution is to set the environment variable JAVA_HOME to
> your jdk directory.
>         at
> org.apache.tools.ant.taskdefs.compilers.Javac12.execute(Javac12.java:96)
>         at org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:530)
>         at org.apache.tools.ant.Task.perform(Task.java:217)
>         at org.apache.tools.ant.Target.execute(Target.java:164)
>         at org.apache.tools.ant.Target.performTasks(Target.java:182)
>         at org.apache.tools.ant.Project.executeTarget(Project.java:601)
>         at org.apache.tools.ant.Project.executeTargets(Project.java:560)
>         at org.apache.tools.ant.Main.runBuild(Main.java:454)
>         at org.apache.tools.ant.Main.start(Main.java:153)
>         at org.apache.tools.ant.Main.main(Main.java:176)
>
> (Note the java.class.path). This happens though:
>
> Mon 03/12/01 18:57 H:/dev/java
> [seb@ART002001] 152 # ls -l s:/soft/win-ix86/j2sdk/1.4.0b3/lib/tools.jar
> -rw-r--r--   1 administ None      4822168 Dec  3 14:44
> s:/soft/win-ix86/j2sdk/1.4.0b3/lib/tools.jar
>
> Mon 03/12/01 18:58 H:/dev/java
> [seb@ART002001] 154 # jar tvf s:/soft/win-ix86/j2sdk/1.4.0b3/lib/tools.jar
> sun/tools/javac/Main.class
>  13253 Sat Oct 20 01:16:08 PDT 2001 sun/tools/javac/Main.class
>
> So i don't really understand what's wrong here, unless Ant 1.4.1 has an
> issue with the Sun 1.4 beta 3 SDK?
>
> Any help would be appreciated!
>
> Sebastien.
>

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