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From "Martin Gainty" <mgai...@hotmail.com>
Subject Re: ant can't find javac compiler
Date Thu, 22 Sep 2005 14:54:38 GMT
Good Afternoon Paul
The documentation for the ant javac task is available at
http://ant.apache.org/manual/CoreTasks/javac.html
2 things..
set fork = "yes"
take a look at the parameter called executable
Complete path to the javac executable to use in case of fork="yes"
HTH,
Martin-
----- Original Message ----- 
From: <paul@webotech.co.uk>
To: "Ant Developers List" <dev@ant.apache.org>
Sent: Thursday, September 22, 2005 10:27 AM
Subject: Re: ant can't find javac compiler


> Martin,
> I tried changing my $PATH as you suggested but that didn't help. Also, 
> java and javac are both the same version (1.5.0_02).
> I wonder if ant runs it's processes in another shell - one perhaps that 
> doesn't pick up my personal env variables? Maybe it doesn't even run them 
> in bash? Could it be that ant tasks are run by a different Linux user 
> which needs to be set up?
> I'm thinking out loud... if that is possible by email!
> Paul
>
> Martin Gainty writes:
>> Paul-
>> 2 things that I would look for move "$JAVA_HOME\bin" to front of $PATH 
>> make sure your JRE and JDK(SDK) are the same version
>> e.g.
>> javac -version Test.java
>> java -version
>> SHOULD report the same version Anyone else ??? Martin Gainty
>> (mobile) 617-852-7822
>> (http)www.laconiadatasystems.com
>>>
>>> Dear dev@ant.apache.org, I am using ant to compile my struts webapp. I 
>>> am using Linux 2.4.27 and running ant (1.5.2-26) from my shell which is 
>>> bash. My environment variables which I set in my .bash_profile are:
>>> $JAVA_HOME=/usr/java/jdk1.5.0_02
>>> $CLASSPATH=/usr/java/jdk1.5.0_02/lib:/usr/java/jdk1.5.0_02/jre/lib Here 
>>> is my problem. When I compile my classes using the default compiler for 
>>> my system (kjc) I get this error: error: Can't find default package 
>>> `java.lang'. Check the CLASSPATH environment variable and the access to 
>>> the archives Which I can live with (even though my CLASSPATH variable is 
>>> probably correct) since I really ought to be using the jdk1.5.0_02 
>>> compiler. If I set the compiler attribute of <javac> task in my 
>>> build.xml to modern, it should use the javac compiler that comes with my 
>>> JDK. When I do I get this error: Unable to find a javac compiler;
>>> com.sun.tools.javac.Main is not on the classpath.
>>> Perhaps JAVA_HOME does not point to the JDK If I run the javac command 
>>> manually from the command prompt, something like this:
>>> javac -cp MY/VERY/LONG/CLASSPATH/ 
>>> src/uk/co/webotech/myproject/MyClass.java It compiles fine... By the 
>>> way, typing "which javac" in my shell returns 
>>> /usr/java/jdk1.5.0_02/bin/javac. How can I get ant to find javac? Any 
>>> help with this would be greatly appreciated! Paul --
>>> Paul Mackinlay (PhD, MEng)
>>> http://www.webotech.co.uk/
>>> paul@webotech.co.uk
>>> Tel: +44(0)7050 699971
>>> Fax: +44(0)7050 
>>> 699972 ---------------------------------------------------------------------
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>
>
>
> --
> Paul Mackinlay (PhD, MEng)
> http://www.webotech.co.uk/
> paul@webotech.co.uk
> Tel: +44(0)7050 699971
> Fax: +44(0)7050 699972
>
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>
> 

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