wget problem

>>> Verifying ebuild manifests
 
>>> Starting parallel fetch
 
>>> Emerging (1 of 65) app-shells/bash-4.1_p2
 * bash-4.1.tar.gz RMD160 SHA1 SHA256 size ;-) ...                                                                                                                                            [ ok ]
>>> Downloading 'http://ftp.jaist.ac.jp/pub/Linux/Gentoo/distfiles/bash41-001'
--2010-02-18 15:32:23--  http://ftp.jaist.ac.jp/pub/Linux/Gentoo/distfiles/bash41-001
Resolving ftp.jaist.ac.jp... failed: No address associated with hostname.
wget: unable to resolve host address `ftp.jaist.ac.jp'
>>> Downloading 'http://gentoo.gg3.net/distfiles/bash41-001'
--2010-02-18 15:32:23--  http://gentoo.gg3.net/distfiles/bash41-001
Resolving gentoo.gg3.net... failed: No address associated with hostname.
wget: unable to resolve host address `gentoo.gg3.net'

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Problem was caused by the portage user (which is executing wget) not having read permission on /etc/hosts