JSP problems

[Despoina]

Hi,
exw shkwsei se redhat 6.2 , generator kai apache 1.3.14.
To problhma einai oti enw o generator kai ta paradeigmata tou
paizoun, oi jsp selides pou kalw mou dinoun error "Document contained no
data".
Apo oso exw dei sta logs tou jrun(o opoios ega8istate mazi me ton
generator automata) uparxei auto to error:
      java.lang.NoClassDefFoundError: sun/tools/javac/Main

Any help plz?

Despoina