Cannot launch Ant??????
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Posted By:   Alana_Nakamura
Posted On:   Monday, April 19, 2004 08:49 PM

I have tried installing binary Ant two times. For a day and a half I have gone over classpaths, environmental variables, etc. I bought a book this afternoon. I have had tomcat up and running for quite some time for use of my servlets and wanted to add the functionality of Ant. Unfortuately no matter what I do I cannot even get ant -version to come up; the most preliminary of all steps. I have followed the installation off the manual along with out of the book. My java directory points to JAVA_HOME and my ant directory points to ANT_HOME. I have ANT_HOME in in the environmental variables.Does anyone have any idea what could be    More>>


			

			

			I have tried installing binary Ant two times.  For a day
			

			and a half I have gone over classpaths, environmental
			

			variables, etc.  I bought a book this afternoon.
			

			

			

			I have had tomcat up and running for quite some time for
			

			use of my servlets and wanted to add the
			

			functionality of Ant.  Unfortuately no matter what
			

			I do I cannot even get ant -version to come up;
			

			the most preliminary of all steps.  I have
			

			followed the installation off the manual along
			

			with out of the book.  My java directory points
			

			to JAVA_HOME and my ant directory points to
			

			ANT_HOME.  I have ANT_HOME in in the environmental
			

			variables.Does anyone have any idea what could be
			

			wrong? Thank you for any help or advice

   <<Less
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Re: Cannot launch Ant??????

Posted By:   Perry_Lucas  
Posted On:   Wednesday, April 28, 2004 12:19 PM

I had this same problem (as mentioned in one of the posts). I found that I had an old ant.jar file from a previous installation in the j2sdk1.5.0jrelibext folder which was confusing the ant-launcher. After removing this .jar file (which shouldn't have been placed in that folder to begin with) everything worked fine.




Note: since ant is a standalone program, it's references should be placed in the CLASSPATH and PATH environment variables and not put into the ext folder...



If this didn't solve your problem, let me know.



~Perry
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Re: Cannot launch Ant??????

Posted By:   Anonymous  
Posted On:   Tuesday, April 20, 2004 01:18 AM

We need more infos:

  • Which version of Ant do you have?

  • Does ANT_HOMEin contain a ant.bat?

  • Does ANT_HOMElib contains some jar-files?

  • What are the values of JAVA_HOME, ANT_HOME?

  • What is the output from ant -version?

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