About dch44

dch44 · ‎04-03-2023

It solved the problem Thanks

dch44 · ‎03-31-2023

We are upgrading our cluster from HDP 2.6.5 to HDP-7.1.70 : During the upgrading process ( about 65 %), it fails to restart the mapreduce/historyserver with the below error. Unable to find a solution Any idea or help ? raceback (most recent call last): File "/var/lib/ambari-agent/cache/stacks/HDP/3.0/services/YARN/package/scripts/historyserver.py", line 126, in <module> HistoryServer().execute() File "/usr/lib/ambari-agent/lib/resource_management/libraries/script/script.py", line 352, in execute method(env) File "/usr/lib/ambari-agent/lib/resource_management/libraries/script/script.py", line 987, in restart self.stop(env, upgrade_type=upgrade_type) File "/var/lib/ambari-agent/cache/stacks/HDP/3.0/services/YARN/package/scripts/historyserver.py", line 47, in stop import params File "/var/lib/ambari-agent/cache/stacks/HDP/3.0/services/YARN/package/scripts/params.py", line 29, in <module> from params_linux import * File "/var/lib/ambari-agent/cache/stacks/HDP/3.0/services/YARN/package/scripts/params_linux.py", line 374, in <module> yarn_registry_dns_principal_name = yarn_registry_dns_principal_name.replace('_HOST', hostname.lower()) File "/usr/lib/ambari-agent/lib/resource_management/libraries/script/config_dictionary.py", line 73, in __getattr__ raise Fail("Configuration parameter '" + self.name + "' was not found in configurations dictionary!") resource_management.core.exceptions.Fail: Configuration parameter 'yarn.registry-dns.principal' was not found in configurations dictionary!

dch44 · ‎12-14-2022

After reboot clutser hadoop, a few services like yarn don't start anymore with the following message : resource_management.libraries.providers.hdfs_resource.WebHDFSCallException: Execution of 'curl -sS -L -w '%{http_code}' -X GET 'http://hostname:50070/webhdfs/v1/ats/done?op=GETFILESTATUS&user.name=hdfs'' returned status_code=401. <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"/> <title>Error 401 Authentication required</title> </head> <body><h2>HTTP ERROR 401</h2> <p>Problem accessing /webhdfs/v1/ats/done. Reason: <pre> Authentication required</pre></p><hr /><i><small>Powered by Jetty://</small></i><br/> <br/> Any idea ? Thanks

dch44 · ‎11-15-2022

I finally engaged Cloudera support. After checking the security value with the following command : /var/lib/ambari-server/resources/scripts/configs.py -l <ambari host fqdn> -t <port> -u admin -p <password> -n <cluster_name> -a get -c cluster-env | grep -i security_enabled, I was asked to disable the security_enabled : /var/lib/ambari-server/resources/scripts/configs.py -l <ambari host fqdn> -t <port> -u admin -p <password> -n <cluster_name> -a set -c cluster-env -k security_enabled -v false Then i was able to start ranger again Still have problem with infa_solr. I will engage support for that

dch44 · ‎11-08-2022

After restarting all the services trough ambari, only two services don't start and are facing the same error : ranger and infrasolr /usr/lib/python2.6/site-packages/resource_management/libraries/script/config_dictionary.py", line 73, in __getattr__ raise Fail("Configuration parameter '" + self.name + "' was not found in configurations dictionary!") resource_management.core.exceptions.Fail: Configuration parameter 'kerberos-env' was not found in configurations dictionary! Any idea ? Thanks

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Re: Error while upgrading to HDP-7.1.7

Error while upgrading to HDP-7.1.7

after reboot unable to start yarn

Re: Unable to start ranger and infrasolr with same...

Unable to start ranger and infrasolr with same err...