なんでやねん

>groovysh
Lets get Groovy!
================
Version: 1.0-jsr-01 JVM: 1.4.2_08-b03
Type 'exit' to terminate the shell
Type 'help' for command help
Type 'go' to execute the statements

groovy> # hoge
Discarding invalid text:
General error during parsing: expecting '!', found ' '

groovysh script:1:2: expecting '!', found ' '
        at org.codehaus.groovy.antlr.parser.GroovyLexer.nextToken(GroovyLexer.ja
va:702)
        at org.codehaus.groovy.antlr.parser.GroovyLexer$1.nextToken(GroovyLexer.
java:235)
(snip)
       at org.codehaus.classworlds.Launcher.main(Launcher.java:375)

groovy> // hoge
groovy> go

groovy>

ほかにも groovy-1.0-jsr-01-src.zip のビルドにも失敗する。最新のCVS HEAD ではなおっているけど。