@raniaa Ambari is no longer part of the Cloudera ecosystem of tools/products.  I would recommend you look for community support for ambari on stackoverflow or the ASF Slack. ... View more

Indeed @DigitalPlumber , EvaluateXpath can't handle variables, only an Xpath. Queryrecord might be an alternative if i was using another type of file but since im using an XML file and this processor performs an SQL Query what can be my parameters in the query ?  ... View more

I suspect that your datanodes report is slow.Because after restart of namenode you are trigger the datanode restart so it will take time to come up with reports during that interval you can except for missing blocks this will be an intermediate issue. So that you can wait for few more min's and check the namenode ui. Else during the time of issue copy the logs and share it.   Make sure to mark the answer as the accepted solution. If it resolves your issue ! ... View more

I suggest you try to set your path with "\" instead of "/" for example: C:\Users\kiran\Downloads\mysql\mysql-connector-java-8.0.17.jar it worked out for me! ... View more

Thank you @GangWar i tried these steps before and turns out that i had been modifying these parameters in the wrong core-site.xml file , it works just fine now 😉 ... View more

Try to clean your metadata with ./hbase-cleanup.sh --cleanAll command and restart your services. If you get "Regionservers  are not expired. Exiting without cleaning hbase data" stop Hbase service before running the command. ... View more