@namita1  Can you try the steps mentioned in the below link https://community.cloudera.com/t5/Support-Questions/Disable-remove-auto-TLS-certificates-and-create-self-signed/td-p/302507 ... View more

@GangWar Thanks, this worked for me. ... View more

Issue has resolved by following the steps which is provided in this link.  https://my.cloudera.com/knowledge/ERRORquotorgfusesourceleveldbjniinternalNativeDBDBException?id=273706 Thank you ... View more

Hi @pvishnu,   thank you for your response! The ldap configuration which I made in the Cloudera Manager will not be persist in the topology file /var/lib/knox/gateway/conf/topologies/knoxsso.xml. There is still the pamRealm configuration. One solution is to manually edit the topology file, but that is not my expectation if you use Cloudera Manager.   Regards, Daniel ... View more

@Seaport  For /api/interpreter/** = authc, roles[{{zeppelin_admin_group}}] you need to configure roles in shiro configuration, Refer to the following doc for more info   https://zeppelin.apache.org/docs/0.8.0/setup/security/shiro_authentication.html#secure-your-zeppelin-information-optional   https://community.cloudera.com/t5/Support-Questions/Zeppelin-user-role-mapping-using-Active-Directory/td-p/238681 ... View more

@Scharan It seems that there is a issue with the HBASE MASTER, because we are getting the following message when we try to check the master-status by using the URL:  http://xx-xxx-xx-xx04.xxxxx.xx:61310/master-status   HTTP ERROR 500 Problem accessing /master-status. Reason: Server Error Caused by: org.apache.hadoop.hbase.PleaseHoldException: Master is initializing at org.apache.hadoop.hbase.master.HMaster.isInMaintenanceMode(HMaster.java:2827) at org.apache.hadoop.hbase.tmpl.master.MasterStatusTmplImpl.renderNoFlush(MasterStatusTmplImpl.java:271) at org.apache.hadoop.hbase.tmpl.master.MasterStatusTmpl.renderNoFlush(MasterStatusTmpl.java:389) at org.apache.hadoop.hbase.tmpl.master.MasterStatusTmpl.render(MasterStatusTmpl.java:380) at org.apache.hadoop.hbase.master.MasterStatusServlet.doGet(MasterStatusServlet.java:81) 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$CachedChain.doFilter(ServletHandler.java:1772) at org.apache.hadoop.hbase.http.lib.StaticUserWebFilter$StaticUserFilter.doFilter(StaticUserWebFilter.java:112) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1759) at org.apache.hadoop.hbase.http.ClickjackingPreventionFilter.doFilter(ClickjackingPreventionFilter.java:48) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1759) at org.apache.hadoop.hbase.http.HttpServer$QuotingInputFilter.doFilter(HttpServer.java:1374) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1759) at org.apache.hadoop.hbase.http.NoCacheFilter.doFilter(NoCacheFilter.java:49) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1759) at org.apache.hadoop.hbase.http.NoCacheFilter.doFilter(NoCacheFilter.java:49) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1759) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:582) 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:512) 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.HandlerCollection.handle(HandlerCollection.java:119) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134) at org.eclipse.jetty.server.Server.handle(Server.java:534) at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:320) 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.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.lang.Thread.run(Thread.java:748)     However Ambari give us the status "ACTIVE HBASE MASTER" for this node:   ... View more

Hi, even I am facing the same trouble when trying to load Ambari web page, it shows 502 error.   It was working fine 2 days back but the error is showing from today when I tried to login in the morning. I have tried all the replies stated above, none worked. I will be grateful if someone can resolve this issue at the earliest.   Many Thanks ... View more

Thanks for the info we will try to remove Activity Monitor. Cloudera should have automatically removed AM during upgrade to 7.x if deprecated as promised.  ... View more

Hello @yacine_    Thanks for sharing the Solution along with the Root Cause as well. We shall mark the Post as Solved for now to ensure fellow Community Users can use the Solution as well.    Regards, Smarak ... View more