Mi da il seguente Errore:
Error: Could not create the Java Virtual Machine.
Error: a fatal exception has occurred.Program will exit

ti posto anche il Manifest

Manifest-Version: 1.0
Ant-Version: Apache Ant 1.8.2
Created-By: 1.7.0-b147 (Oracle Corporation)
Class-Path:
X-COMMENT: Main-Class will be added automatically by build
Main-Class: ingot.Main