HI All,   I am getting below exception in hbase thrift logs Kerberos Authentication failed org.apache.hadoop.hbase.thrift.HttpAuthenticationException: java.lang.reflect.UndeclaredThrowableException at org.apache.hadoop.hbase.thrift.ThriftHttpServlet.doKerberosAuth(ThriftHttpServlet.java:166) at org.apache.hadoop.hbase.thrift.ThriftHttpServlet.doPost(ThriftHttpServlet.java:111) at org.apache.thrift.server.TServlet.doGet(TServlet.java:96) at javax.servlet.http.HttpServlet.service(HttpServlet.java:687) at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:848) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:513) at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134) at org.eclipse.jetty.server.Server.handle(Server.java:539) at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:333) at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251) at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283) at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:108) at org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:259) at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283) at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:108) at org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93) at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303) at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148) at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136) at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671) at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589) at java.base/java.lang.Thread.run(Thread.java:834) Caused by: java.lang.reflect.UndeclaredThrowableException at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1893) at org.apache.hadoop.hbase.thrift.ThriftHttpServlet.doKerberosAuth(ThriftHttpServlet.java:162) ... 30 more Caused by: org.apache.hadoop.hbase.thrift.HttpAuthenticationException: Kerberos authentication failed: at org.apache.hadoop.hbase.thrift.ThriftHttpServlet$HttpKerberosServerAction.run(ThriftHttpServlet.java:230) at org.apache.hadoop.hbase.thrift.ThriftHttpServlet$HttpKerberosServerAction.run(ThriftHttpServlet.java:184) at java.base/java.security.AccessController.doPrivileged(Native Method) at java.base/javax.security.auth.Subject.doAs(Subject.java:423) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1875) ... 31 more Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos credentials) at java.security.jgss/sun.security.jgss.krb5.Krb5AcceptCredential.getInstance(Krb5AcceptCredential.java:87) at java.security.jgss/sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:133) at java.security.jgss/sun.security.jgss.GSSManagerImpl.getCredentialElement(GSSManagerImpl.java:187) at java.security.jgss/sun.security.jgss.GSSCredentialImpl.add(GSSCredentialImpl.java:439) at java.security.jgss/sun.security.jgss.GSSCredentialImpl.<init>(GSSCredentialImpl.java:89) at java.security.jgss/sun.security.jgss.GSSManagerImpl.createCredential(GSSManagerImpl.java:154) at org.apache.hadoop.hbase.thrift.ThriftHttpServlet$HttpKerberosServerAction.run(ThriftHttpServlet.java:209)   ========== Please post the steps to configure Hbase thrift server with kerberos and ssl   Thanks in advandce!   ... View more