7.5. Using Your Own Version of Ant
Problem
A newer version of Ant is out, one more recent than that which comes with Eclipse, and you want to upgrade. Or you just want to use a version of Ant that’s different from the one that comes with Eclipse.
Solution
Select Window→ Preferences→ Ant→
Runtime→ Classpath, and point to the new Ant
.jar
files.
Discussion
To set the version of Ant (you can get Ant directly from Apache at
http://ant.apache.org), just
select Window→ Preferences→ Ant→
Runtime→ Classpath. All you have to do is to point to the
new Ant .jar
files ant.jar
and optional.jar
, shown in Figure 7-12.
Tip
The Ant .jar
files ant.jar
and optional.jar
are specific to Ant 1.5.3,
which is the version of Ant that comes with Eclipse 2.1.2. Different
versions of Ant might have different names for these files, or
include more .jar
files.
Figure 7-12. Using your own version of Ant
Eclipse 3.0
The current build of Eclipse 3.0 comes with Ant 1.6.0 and has
classpath entries for 29 Ant .jar
files—not just the two of earlier versions. Also, by
default, now you are warned if you attempt to execute Ant without a
tools.jar
file on the Ant classpath; you are warned when Ant is configured to run in the same JVM as Eclipse (which you might not want in case you’re targeting your build at another version of Java); and you are warned when the Xerces packages (which no longer are needed) are included in the Ant classpath. ...
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