é apresentado o erro:
C:\Users\deiaj\Downloads\leiloes\leiloes>ant jetty.run
Buildfile: C:\Users\deiaj\Downloads\leiloes\leiloes\build.xml
resolve:
[taskdef] Could not load definitions from resource org/apache/ivy/ant/antlib.xml. It could not be found.
BUILD FAILED
C:\Users\deiaj\Downloads\leiloes\leiloes\build.xml:26: Problem: failed to create task or type antlib:org.apache.ivy.ant:retrieve
Cause: The name is undefined.
Action: Check the spelling.
Action: Check that any custom tasks/types have been declared.
Action: Check that any <presetdef>/<macrodef> declarations have taken place.
No types or tasks have been defined in this namespace yet
This appears to be an antlib declaration.
Action: Check that the implementing library exists in one of:
-C:\apache-ant-1.9.15\bin\..\lib
-C:\Users\deiaj\.ant\lib
-a directory added on the command line with the -lib argument
Total time: 0 seconds