Sebastian Nagel created NUTCH-1807:
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Summary: avoid methods relying on system-specific default locale /
charset
Key: NUTCH-1807
URL: https://issues.apache.org/jira/browse/NUTCH-1807
Project: Nutch
Issue Type: Bug
Affects Versions: 2.2.1, 1.8
Reporter: Sebastian Nagel
Priority: Minor
Fix For: 2.4, 1.9
Many methods in Java (and libraries) used to convert Strings, Numbers, Dates
rely on the system-specific default locale / character set. This may cause
strange behaviour and errors impossible to reproduce on other systems, see
[~thetaphi]'s [blog
post|http://blog.thetaphi.de/2012/07/default-locales-default-charsets-and.html],
and discussions in NUTCH-1693 and NUTCH-1554.
A search with the [forbidden-apis
client|https://code.google.com/p/forbidden-apis/wiki/CliUsage] shows 120 calls
of such methods in trunk (without test classes):
{code}
# compile Nutch before check: all tested class files
# are then located in build/ (including plugins)
% CLASSPATH=`find build/ -name '*.jar' | tr '\n' ':'`
% java -jar forbiddenapis-1.5.1.jar -d build/ -c $CLASSPATH \
-b jdk-unsafe-1.8 -b commons-io-unsafe-2.4
{code}
It is also possible to [integrate the check into the ant
build|https://code.google.com/p/forbidden-apis/wiki/AntUsage] (to avoid that
"forbidden" calls slip into the code again).
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