我搜索过并发现有些人在尝试安装nokogiri时会遇到各种问题，但是我没有看到有人将这些类型的文件跳过这些类型......任何想法？
gem install nokogiri
Building native extensions. This could take a while...
Successfully installed nokogiri-1.6.0
unable to convert "\xE4" from ASCII-8BIT to UTF-8 for ext/nokogiri/tmp/i686-apple-darwin11/ports/libxml2/2.8.0/libxml2-2.8.0/doc/examples/testWriter.c, skipping
unable to convert "\xF8" from ASCII-8BIT to UTF-8 for ext/nokogiri/tmp/i686-apple-darwin11/ports/libxml2/2.8.0/libxml2-2.8.0/entities.c, skipping
unable to convert "\xE9" from ASCII-8BIT to UTF-8 for ext/nokogiri/tmp/i686-apple-darwin11/ports/libxml2/2.8.0/libxml2-2.8.0/runtest.c, skipping
unable to convert "\xC0" from ASCII-8BIT to UTF-8 for ext/nokogiri/tmp/i686-apple-darwin11/ports/libxml2/2.8.0/libxml2-2.8.0/test/XInclude/ents/isolatin.txt, skipping
unable to convert "\xF8" from ASCII-8BIT to UTF-8 for ext/nokogiri/tmp/i686-apple-darwin11/ports/libxml2/2.8.0/libxml2-2.8.0/testapi.c, skipping
unable to convert "\xF6" from ASCII-8BIT to UTF-8 for ext/nokogiri/tmp/i686-apple-darwin11/ports/libxslt/1.1.26/libxslt-1.1.26/ChangeLog, skipping
unable to convert "\xF6" from ASCII-8BIT to UTF-8 for ext/nokogiri/tmp/i686-apple-darwin11/ports/libxslt/1.1.26/libxslt-1.1.26/libxslt/xslt.c, skipping
unable to convert "\xE1" from ASCII-8BIT to UTF-8 for ext/nokogiri/tmp/i686-apple-darwin11/ports/libxslt/1.1.26/libxslt-1.1.26/NEWS, skipping
unable to convert "\x89" from ASCII-8BIT to UTF-8 for ext/nokogiri/tmp/i686-apple-darwin11/ports/libxslt/1.1.26/libxslt-1.1.26/tests/xmlspec/logo-REC, skipping
unable to convert "\xFD" from ASCII-8BIT to UTF-8 for ext/nokogiri/tmp/i686-apple-darwin11/ports/libxslt/1.1.26/libxslt-1.1.26/win32/Readme.txt, skipping
unable to convert "\xCF" from ASCII-8BIT to UTF-8 for ports/i686-apple-darwin11/libxml2/2.8.0/bin/xmlcatalog, skipping
unable to convert "\xCF" from ASCII-8BIT to UTF-8 for ports/i686-apple-darwin11/libxml2/2.8.0/bin/xmllint, skipping
unable to convert "\xCF" from ASCII-8BIT to UTF-8 for ports/i686-apple-darwin11/libxslt/1.1.26/bin/xsltproc, skipping
1 gem installed
答案 0 :(得分：4)
这是rdoc 4.0.0中的错误。尝试升级到版本4.0.1。
对我有用的是禁用rdoc并重新安装。
使用命令gem update，由于相同的解析错误（？），它似乎无法工作。
$ ruby --disable-gems -S "Rdoc"
gem install rdoc
答案 1 :(得分：3)
大多数错误都是测试或示例代码，并且所有错误都与编码有关，当它尝试将字符转换为UTF-8时如果发现错误它会跳过它，但不是很重要，nokogiri将在那些警告之后工作