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tomcat7 log encoding

2015-02-26 by t.glaser@tarent.de (EvolvisForge blog)
Tags: work debian

TIL: the encoding of the catalina.out file is dependent on the system locale, using standard Debian wheezy tomcat7 package.

Fix for ‘?’ instead of umlauts in it:

cat >>/etc/default/tomcat7 <<EOF
LC_CTYPE=C.UTF-8
export LC_CTYPE
EOF

My “problem” here is that I have the system locale be the “C” locale, to get predictable behaviour; applications that need it can set a locale by themselves. (Many don’t bother with POSIX locales and use different/separate means of determining especially encoding, but possibly also i18n/l10n. But it seems the POSIX locales are getting more and more used.)

Update: There is also adding -Dfile.encoding=UTF-8 to $JAVA_OPTS which seems to be more promising: no fiddling with locales, no breakage if someone defined LC_ALL already, and it sets precisely what it should set (the encoding) and nothing else (since the encoding does not need to correlate to any locale setting, why should it).

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