ubuntu12.04 upgrade issue: xterm Warning: couldn't find charset data for locale true; using ISO 8859-1.

[ping]

I'm a (basically) happy xterm user, but 1st thing I met after upgraded 
to 12.04, I found that my xterm can't display Chinese. here is the info 
I got, hope to get some help from experts here:

//logs when launching xterm:
ping at 640g-laptop:~$ xterm
Warning: Color name "#1c5572 " is not defined
Warning: Cannot convert string "true " to type Boolean
Warning: Cannot convert string "true " to type Boolean
Warning: Cannot convert string "true " to type Boolean
Warning: Cannot convert string "true " to type Boolean
Warning: Color name "white " is not defined


//in the launched windows there is a warn:
Warning: couldn't find charset data for locale true; using ISO 8859-1.


//my .Xresources file
! English font
xterm*faceName: DejaVu Sans Mono:antialias=True:pixelsize=14
! Chinese font
xterm*faceNameDoublesize: WenQuanYi Micro Hei:pixelsize=14
!
Xft.dpi:96

xpdf.title: PDF

XTerm*locale: true
XTerm*utf8Title: true
XTerm*fontMenu*fontdefault*Label: Default
XTerm*faceName: Lucida Console
XTerm*faceNameDoublesize: LiHei Pro
XTerm*faceSize: 10
XTerm*faceSize1: 10
XTerm*faceSize2: 10
XTerm*faceSize3: 10
XTerm*faceSize4: 10
XTerm*faceSize5: 10
XTerm*faceSize6: 10
XTerm.cjkWidth:true
XTerm*background: #1c5572
XTerm*foreground: white
XTerm*scrollBar: true
XTerm*rightScrollBar: true
XTerm*jumpScroll:  true
XTerm*SaveLines: 1000
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