public static void loadStaticResolutions ( Configuration conf ) { String hostToResolved [ ] = conf . getStrings ( "hadoop.net.static.resolutions" ) ; if ( hostToResolved != null ) { for ( String str : hostToResolved ) { String name = str . substring ( 0 , str . indexOf ( ' ' ) ) ; String resolvedName = str . substring ( str . indexOf ( ' ' ) + 1 ) ; NetUtils . addStaticResolution ( name , resolvedName ) ; } } }
Load the static resolutions from configuration . This is required for junit to work on testcases that simulate multiple nodes on a single physical node .