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Sandeep Guggilam commented on HBASE-24768: ------------------------------------------ FYI [~apurtell] [~abhishek.chouhan] > Clear cached service kerberos ticket in case of SASL failures thrown from > server side > ------------------------------------------------------------------------------------- > > Key: HBASE-24768 > URL: https://issues.apache.org/jira/browse/HBASE-24768 > Project: HBase > Issue Type: Bug > Reporter: Sandeep Guggilam > Assignee: Sandeep Guggilam > Priority: Major > > We setup a SASL connection using different mechanisms like Digest, Kerberos > from master to RS for various activities like region assignment etc. In case > of SASL connect failures, we try to dispose of the SaslRpcClient and try to > relogin from the keytab on the client side. However the relogin from keytab > method doesn't clear off the service ticket cached in memory unless TGT is > about to expire within a timeframe. > This actually causes an issue where there is a keytab refresh that happens > because of expiry on the RS server and throws a SASL connect error when > Master reaches out to the RS server with the cached service ticket that no > longer works with the new refreshed keytab. We might need to clear off the > service ticket cached as there could be a credential refresh on the RS server > side when handling connect failures -- This message was sent by Atlassian Jira (v8.3.4#803005)