What makes Tomcat 6 failed to install? It causes that enough memory isn't assigned for Apache Ant to build Tomcat 6. Conditions to build Tomcat 6 when I try doing it. Mac OS X 10.6.3 Java 1.6.0_17 % java -version java version "1.6.0_17" Java(TM) SE Runtime Environment (build 1.6.0_17-b04-248-10M3025) Java HotSpot(TM) 64-Bit Server VM (build 14.3-b01-101, mixed mode Error summary when building Tomc