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Asked: 2026-05-11T03:44:12+00:00

I wish to use the Tomcat install/deploy tasks from catalina-ant.jar to deploy a webapp

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I wish to use the Tomcat install/deploy tasks from catalina-ant.jar to deploy a webapp to a remote app server.

After installing Ant using the instructions found here, my ant folder is configured as:

/usr/local/ant

My ‘Ant Home’ has also been set to that directory through Eclipse. I copied catalina-ant.jar to my ant/lib folder.

My build.xml contains the following:

... <path id='catalina-ant-classpath'>   <fileset dir='${ant.home}/lib'>     <include name='catalina-ant.jar'/>   </fileset> </path> <taskdef name='install' classname='org.apache.catalina.ant.InstallTask'>   <classpath refid='catalina-ant-classpath'/> </taskdef> ...

Yet my build fails with the following error:

build.xml:83: taskdef class org.apache.catalina.ant.InstallTask cannot be found

Could there be a permissions issue going on with my /usr/local/ant directory? Is there a better place to put catalina-ant.jar?

EDIT: Strangely enough, if I put the jar somewhere else (say, in a directory inside of my user folder) and change the path to it in my build.xml it works. Ideas?

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1 Answer

  1. Eclipse cannot see the catalina-ant.jar. If it is in your ANT_HOME/lib directory, check what ANT_HOME is eclipse using.

    Go to your Eclipse Preferences > Ant > Runtime and see the classpath tab to see if eclipse can see the jar. Sometimes if your ANT_HOME is pointing to the right place, you may still need to restart Eclipse after adding a jar for Eclipse to see it.

    Also, I would test that you can run your build from the command line too, that might help you narrow down the issue.

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