pdflatex jsample.tex
This is pdfTeX, Version 3.1415926-2.5-1.40.14 (TeX Live 2013)
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entering extended mode
(./jsample.tex
LaTeX2e <2011/06/27>
Babel <3.9f> and hyphenation patterns for 78 languages loaded.
(./ipsj.cls
Document Class: ipsj 2012/10/12 v1.04 IPSJ class
(/usr/local/texlive/2013/texmf-dist/tex/latex/graphics/color.sty
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(/usr/local/texlive/2013/texmf-dist/tex/latex/pdftex-def/pdftex.def
(/usr/local/texlive/2013/texmf-dist/tex/generic/oberdiek/infwarerr.sty)
(/usr/local/texlive/2013/texmf-dist/tex/generic/oberdiek/ltxcmds.sty)))
! LaTeX Error: Font family `JT1+gt' unknown.
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l.263 ...tShape{JT1}{gt}{m}{it}{<-> ssub*gt/m/n}{}
? x
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Transcript written on jsample.log.