Kathryn Rivard a écrit :
I'm having bizarre problems getting ant to find the class referenced
in a taskdef (specifically with tomcat, if it matters). The jar shows
up in the classpath reported by -diagnostics*, but ant can't find the
class during a build unless I explicitly set the classpath in the
taskdef tag**, or put it in my CLASSPATH environment variable***.
Details below.
Here is how the taskdef appears in our buildfile, which works for all
the other developers on the project:
<taskdef name="deploy" classname="org.apache.catalina.ant.DeployTask"/>
The buildfile assumes you've copied catalina-ant.jar from
${CATALINA_HOME}/server/lib/ to ant/lib/, which I've done. However, I
get the following error:
BUILD FAILED
/usr0/krivard/test/build.xml:6: taskdef class
org.apache.catalina.ant.DeployTask cannot be found
* When I print the ant diagnostics, catalina-ant.jar shows up in the
lib listing as well as the classpath (newlines added for readability;
catalina's the final entry):
$ ant -diagnostics
...
-------------------------------------------
ANT_HOME/lib jar listing
-------------------------------------------
ant.home: /usr/share/ant
catalina-ant.jar (26670 bytes)
...
java.class.path : /usr/share/java/ant.jar:
/usr/share/java/ant-launcher.jar:
/usr/share/java/jaxp_parser_impl.jar:
/usr/share/java/xml-commons-apis.jar:
/usr/share/java/antlr.jar:
/usr/share/java/ant/ant-antlr.jar:
/usr/share/java/bcel.jar:
/usr/share/java/ant/ant-apache-bcel.jar:
/usr/share/java/bsf.jar:
/usr/share/java/ant/ant-apache-bsf.jar:
/usr/share/java/log4j.jar:
/usr/share/java/ant/ant-apache-log4j.jar:
/usr/share/java/oro.jar:
/usr/share/java/ant/ant-apache-oro.jar:
/usr/share/java/regexp.jar:
/usr/share/java/ant/ant-apache-regexp.jar:
/usr/share/java/xml-commons-resolver.jar:
/usr/share/java/ant/ant-apache-resolver.jar:
/usr/share/java/jakarta-commons-logging.jar:
/usr/share/java/ant/ant-commons-logging.jar:
/usr/share/java/javamail.jar:
/usr/share/java/jaf.jar:
/usr/share/java/ant/ant-javamail.jar:
/usr/share/java/jdepend.jar:
/usr/share/java/ant/ant-jdepend.jar:
/usr/share/java/jsch.jar:
/usr/share/java/ant/ant-jsch.jar:
/usr/share/java/junit.jar:
/usr/share/java/ant/ant-junit.jar:
/usr/share/java/ant/ant-nodeps.jar:
/usr/share/java/ant/ant-swing.jar:
/usr/share/java/jaxp_transform_impl.jar:
/usr/share/java/ant/ant-trax.jar:
/usr/lib/jvm/java/lib/tools.jar:
/usr/share/ant/lib/catalina-ant.jar
**If I specify catalina-ant.jar in the classpath attribute of the
taskdef, it works:
<taskdef name="deploy"
classname="org.apache.catalina.ant.DeployTask"
classpath="/usr/share/ant/lib/catalina-ant.jar"/>
This is not really an acceptable solution, since our buildfiles are
under version control and shared among developers who don't share my
problem. :)
***If I specify catalina-ant.jar in my CLASSPATH environment variable, it works:
$ export CLASSPATH=/usr/share/ant/lib/catalina-ant.jar
and I end up with two copies of catalina-ant.jar in the classpath
reported by -diagnostics. This solution is okay, but I'd like to
think I don't have to do this -- all the ant docs claim that "modern"
Java apps don't need the CLASSPATH environment variable, and I'm not
keen on cluttering my classpath like that. It's worth noting that
putting a random nonzero value in the CLASSPATH environment variable
(like /dev/null or something) doesn't work.
Any ideas? I'm running a university-rolled copy of Fedora 7, Ant
1.6.5, and Tomcat 5.5.23.
Thanks,
Katie
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hi katie,
you could try this:
<path id="tomcat.classpath">
<fileset dir="${tomcat.home}/server/lib" includes="catalina-ant.jar" />
</path>
<taskdef name="deploy" classname="org.apache.catalina.ant.DeployTask">
<classpath refid="tomcat.classpath" />
</taskdef>
or
<taskdef name="deploy" classname="org.apache.catalina.ant.DeployTask">
<classpath>
<path location="${appserver.home}/server/lib/catalina-ant.jar"/>
</classpath>
</taskdef>
i don't why your build does not work but i know that this one is working..
hope this help
regards
supareno
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