Could not create task of type: condition.

[S�rgio Oliveira <ne...@hotmail.com>]

Hello,

While compiling using ant, i get the following error:

Could not create task of type: condition. Common solutions are to use 
taskdef to declare your task, or, if this is an optional task, to put the 
optional.jar in the lib directory of your ant installation (ANT_HOME).

I cant run diagnostics on ant because it seems that option doesn´t exists in 
this version..., bu running "ant -version" I get this:

Ant version 1.3 compiled on March 2 2001

The xml is this:

<target name="set-wscompile" >
     <condition property="wscompile" value="${wscompile.dir}/wscompile.bat">
        <os family="windows"/>
     </condition>
     <condition property="wscompile" value="${wscompile.dir}/wscompile">
        <not>
           <os family="windows"/>
        </not>
     </condition>
  </target>

What is the problem? the version of ant? If yes, how can I update it.... 
please explain this knowing I´m a .NET developer and not a java developer... 
argh :)

Thank you,

Sérgio

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Re: Could not create task of type: condition.

[Steve Loughran <st...@apache.org>]

  wrote:
> Hello,
> 
> While compiling using ant, i get the following error:
> 
> Could not create task of type: condition. Common solutions are to use 
> taskdef to declare your task, or, if this is an optional task, to put 
> the optional.jar in the lib directory of your ant installation (ANT_HOME).
> 
> I cant run diagnostics on ant because it seems that option doesn´t 
> exists in this version..., bu running "ant -version" I get this:
> 
> Ant version 1.3 compiled on March 2 2001
> 
> The xml is this:

> 
> What is the problem? the version of ant? If yes, how can I update it.... 
> please explain this knowing I´m a .NET developer and not a java 
> developer... argh :)

wow, that is one old version of Ant. You should switch to Ant1.6.5, at 
the very keast,


There's various ways to get a new version
1. Get a copy bundled into your IDE: eclipse, netbeans and idea all come 
with one.
2. get a copy bundled with websphere, weblogic or whatever. I think this 
is what you have. They are the ones that are usually most messed up.
3. If you have  linux distro, use your package manager and get a copy 
from a repository
4. By hand: go to ant.apache.org, download the Zip file and expand it 
somewhere. Set the  ANT_HOME env variable to the directory, and add 
%ANT_HOME%/bin to your path, preferably after finding the old version 
and renaming or removing it.

After upgrading, check with ant -version to make sure the new version is 
being picked upl

-steve

 >
 > <target name="set-wscompile" >
 >     <condition property="wscompile" 
value="${wscompile.dir}/wscompile.bat">
 >        <os family="windows"/>
 >     </condition>
 >     <condition property="wscompile" value="${wscompile.dir}/wscompile">
 >        <not>
 >           <os family="windows"/>
 >        </not>
 >     </condition>
 >  </target>

BTW, when you run batch files you dont really want to <exec> the batch 
file. You want to the NT shell, what is it, cmd.exe, with the batch file 
as a parameter

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