Lantao Jin created HDFS-12236:
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Summary: 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: 3.0.0-alpha3, 2.8.1, 2.7.3
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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