Created on
12-23-2016
05:21 AM
- edited on
02-16-2020
10:25 PM
by
SumitraMenon
SYMPTOM: Ranger plugin is enabled for HIVE. Restarting HIVE service its not able to start and stucking on below error
ERROR:
2015-10-15 13:02:51,683 - u"File['/var/lib/ambari-agent/data/tmp/ojdbc6.jar']" {'content': DownloadSource('http://sjcservicenode04-prod.xxxinternal.com:8080/resources//oracle-jdbc-driver.jar')} 2015-10-15 13:02:51,796 - Not downloading the file from http://sjcservicenode04-prod.xxxinternal.com:8080/resources//oracle-jdbc-driver.jar, because /var/lib/ambari-agent/data/tmp/oracle-jdbc-driver.jar already exists 2015-10-15 13:02:51,996 - call['hdp-select status hadoop-client'] {'timeout': 20}
ROOT CAUSE:
Ranger Hive policies http url calls were taking forever to return results Ranger makes a lot of calls to urllib2.urlopen(request) that don't have a timeout in Ambari 2.0 Opened Ambari BUG to put time=5 in the ranger_function.py file.
https://hortonworks.jira.com/browse/BUG-46275
RESOLUTION:
1) Edit /usr/lib/python2.6/site-packages/resource-management/libraries/functions/ranger_functions.py and copy to all host to be safe (only Hive nodes)
all urllib2.urlopen(request) do urllib2.urlopen(request, timeout=5)
2) Delete duplicate x_group_users - MYSQL https://hortonworks.jira.com/browse/BUG-43119
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