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Remus Rusanu commented on HADOOP-10644: --------------------------------------- Note that as per RFC4120 the fix is to make the confPrincipal lowercase: {code} 6.2.1. Name of Server Principals ... Where the name of the host is not case sensitive (for example, with Internet domain names) the name of the host MUST be lowercase.... {code} > Remote principal name case sensitivity issue introduced on Windows by > HADOOP-10418 > ---------------------------------------------------------------------------------- > > Key: HADOOP-10644 > URL: https://issues.apache.org/jira/browse/HADOOP-10644 > Project: Hadoop Common > Issue Type: Bug > Components: security > Affects Versions: 2.4.0 > Reporter: Remus Rusanu > Labels: windows > > HADOOP-10418 caused the SPN to be generated using KRB_NT_SRV_HST type. This > results in a wrong case FQDN name and the > {code} > isPrincipalValid = serverPrincipal.equals(confPrincipal); > {code} > check fails due to case difference. -- This message was sent by Atlassian JIRA (v6.2#6252)