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https://issues.apache.org/jira/browse/HDFS-12236?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lantao Jin resolved HDFS-12236.
-------------------------------
Resolution: Duplicate
Open a {{Hadoop}} issue
[HADOOP-14708|https://issues.apache.org/jira/browse/HADOOP-14708] instead this
{{HDFS}}
> FsckServlet can not create SaslRpcClient with auth KERBEROS_SSL
> ---------------------------------------------------------------
>
> Key: HDFS-12236
> URL: https://issues.apache.org/jira/browse/HDFS-12236
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: security
> Affects Versions: 2.7.3, 2.8.1, 3.0.0-alpha3
> Reporter: Lantao Jin
>
> FSCK started by xx (auth:KERBEROS_SSL) failed with exception msg "fsck
> encountered internal errors!"
> FSCK use FSCKServlet to submit RPC to NameNode, it use {{KERBEROS_SSL}} as
> its {{AuthenticationMethod}} in {{JspHelper.java}}
> {code}
> /** Same as getUGI(context, request, conf, KERBEROS_SSL, true). */
> public static UserGroupInformation getUGI(ServletContext context,
> HttpServletRequest request, Configuration conf) throws IOException {
> return getUGI(context, request, conf, AuthenticationMethod.KERBEROS_SSL,
> true);
> }
> {code}
> But when setup SaslConnection with server, KERBEROS_SSL will failed to create
> SaslClient instance. See {{SaslRpcClient.java}}
> {code}
> private SaslClient createSaslClient(SaslAuth authType)
> throws SaslException, IOException {
> ....
> case KERBEROS: {
> if (ugi.getRealAuthenticationMethod().getAuthMethod() !=
> AuthMethod.KERBEROS) {
> return null; // client isn't using kerberos
> }
> {code}
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