If you use solr-ruby gem, you should be well aware that Solr attempts to create an XML doc from the provided doc-hash. It first attempts to use ‘xml/libxml’, which if not available, falls back to REXML. It is recommended to use libxml.
All you need to do is
gem install libxml-ruby
If you are lucky enough, that’s all for you. However, many a times we face issues like
Building native extensions. This could take a while...
ERROR: Error installing libxml-ruby:
ERROR: Failed to build gem native extension.
/usr/bin/ruby extconf.rb
checking for socket() in -lsocket... no
checking for gethostbyname() in -lnsl... yes
checking for atan() in -lm... no
checking for atan() in -lm... yes
checking for inflate() in -lz... no
checking for inflate() in -lzlib... no
checking for inflate() in -lzlib1... no
checking for inflate() in -llibz... no
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of
necessary libraries and/or headers. Check the mkmf.log file for more
details. You may need configuration options.
If this is the case, you should install zlib-devel and libxml2-devel packages.
yum -y install zlib-devel
yum -y install libxml2-devel
gem install libxml-ruby
That sorts it all. You are good to go
