alec@ROOROO:~/$ xetex -interaction=nonstopmode textest 
This is XeTeX, Version 3.1415926-2.4-0.9998 (TeX Live 2012/Debian)
 restricted \write18 enabled.
entering extended mode
(./textest
! Undefined control sequence.
l.2 \documentclass
                  {article}
! Undefined control sequence.
l.4 \usepackage
               {graphicx} % for \rotatebox
! Undefined control sequence.
l.6 \usepackage
               {xeCJK}
! Undefined control sequence.
l.7 \newfontlanguage
                    {Chinese}{CHN}
! Undefined control sequence.
l.8 \setCJKmainfont
                   {WenQuanYi Zen Hei Sharp}
! Undefined control sequence.
l.9 \setCJKfamilyfont
                     {songvert}[Script=CJK,Language=Chinese,Vertical=Rotated...


Overfull \hbox (106.48001pt too wide) in paragraph at lines 6--10
[]\tenrm xeCJK Chi-neseCHN Wen-QuanYi Zen Hei Sharp songvert[Script=CJK,Languag
e=Chinese,Vertical=RotatedGlyphs]WenQuanYi|
! Undefined control sequence.
l.11 \newcommand
                *\CJKmovesymbol[1]{\raise.35em\hbox{#1}}
! Undefined control sequence.
l.11 \newcommand*\CJKmovesymbol
                               [1]{\raise.35em\hbox{#1}}
! You can't use `macro parameter character #' in restricted horizontal mode.
l.11 ...mmand*\CJKmovesymbol[1]{\raise.35em\hbox{#
                                                  1}}
! Undefined control sequence.
l.12 \newcommand
                *\CJKmove{\punctstyle{plain}% do not modify the spacing betw...

! Undefined control sequence.
l.12 \newcommand*\CJKmove
                         {\punctstyle{plain}% do not modify the spacing betw...

! Undefined control sequence.
l.12 \newcommand*\CJKmove{\punctstyle
                                     {plain}% do not modify the spacing betw...

! Undefined control sequence.
l.16 \begin
           {document}
! Undefined control sequence.
l.19 \begin
           {center}
! Undefined control sequence.
l.20 \rotatebox
               {-90}{\fbox{\begin{minipage}{10em}
! Undefined control sequence.
l.20 \rotatebox{-90}{\fbox
                          {\begin{minipage}{10em}
! Undefined control sequence.
l.20 \rotatebox{-90}{\fbox{\begin
                                 {minipage}{10em}
! Undefined control sequence.
l.21 \CJKfamily
               {songvert}\CJKmove
! Undefined control sequence.
l.21 \CJKfamily{songvert}\CJKmove
                                 
! Argument of \\ has an extra }.
<inserted text> 
                \par 
<to be read again> 
                   }
l.28 \end{minipage}}
                    }
Runaway argument?
 夕余至乎县圃。\\ 欲少留此灵琐兮，\\ 日忽忽其将暮\ETC.
! Paragraph ended before \\ was complete.
<to be read again> 
                   \par 
<to be read again> 
                   }
l.28 \end{minipage}}
                    }
[1] )
(see the transcript file for additional information)
Output written on textest.pdf (1 page).
Transcript written on textest.log.