Here is the error i am getting. Connection failed on host hdpslave2.hdp.hadoop:8998 (Traceback (most recent call last): File "/var/lib/ambari-agent/cache/common-services/SPARK/1.2.1/package/scripts/alerts/alert_spark_livy_port.py", line 135, in execute user=livyuser File "/usr/lib/python2.6/site-packages/resource_management/core/base.py", line 166, in __init__ self.env.run() File "/usr/lib/python2.6/site-packages/resource_management/core/environment.py", line 160, in run self.run_action(resource, action) File "/usr/lib/python2.6/site-packages/resource_management/core/environment.py", line 124, in run_action provider_action() File "/usr/lib/python2.6/site-packages/resource_management/core/providers/system.py", line 262, in action_run tries=self.resource.tries, try_sleep=self.resource.try_sleep) File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 72, in inner result = function(command, **kwargs) File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 102, in checked_call tries=tries, try_sleep=try_sleep, timeout_kill_strategy=timeout_kill_strategy) File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 150, in _call_wrapper result = _call(command, **kwargs_copy) File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 303, in _call raise ExecutionFailed(err_msg, code, out, err) ExecutionFailed: Execution of 'curl -s -o /dev/null -w'%{http_code}' --negotiate -u: -k http://hdpslave2.hdp.hadoop:8998/sessions | grep 200 ' returned 1. ) ... View more

I get this error, i dont know how to proceed. Traceback (most recent call last): File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/after-INSTALL/scripts/hook.py", line 37, in <module> AfterInstallHook().execute() File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py", line 375, in execute method(env) File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/after-INSTALL/scripts/hook.py", line 31, in hook setup_stack_symlinks(self.stroutfile) File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/after-INSTALL/scripts/shared_initialization.py", line 62, in setup_stack_symlinks stack_select.select(package, json_version) File "/usr/lib/python2.6/site-packages/resource_management/libraries/functions/stack_select.py", line 313, in select Execute(command, sudo=True) File "/usr/lib/python2.6/site-packages/resource_management/core/base.py", line 166, in __init__ self.env.run() File "/usr/lib/python2.6/site-packages/resource_management/core/environment.py", line 160, in run self.run_action(resource, action) File "/usr/lib/python2.6/site-packages/resource_management/core/environment.py", line 124, in run_action provider_action() File "/usr/lib/python2.6/site-packages/resource_management/core/providers/system.py", line 262, in action_run tries=self.resource.tries, try_sleep=self.resource.try_sleep) File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 72, in inner result = function(command, **kwargs) File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 102, in checked_call tries=tries, try_sleep=try_sleep, timeout_kill_strategy=timeout_kill_strategy) File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 150, in _call_wrapper result = _call(command, **kwargs_copy) File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 303, in _call raise ExecutionFailed(err_msg, code, out, err) resource_management.core.exceptions.ExecutionFailed: Execution of 'ambari-python-wrap /usr/bin/hdp-select set mahout-client 2.6.4.0-91' returned 1. symlink target /usr/hdp/current/mahout-client for mahout already exists and it is not a symlink. stdout: /var/lib/ambari-agent/data/output-408.txt 2018-03-08 10:25:59,298 - Stack Feature Version Info: Cluster Stack=2.6, Command Stack=None, Command Version=None -> 2.6 2018-03-08 10:25:59,303 - Using hadoop conf dir: /usr/hdp/2.6.4.0-91/hadoop/conf 2018-03-08 10:25:59,304 - Group['livy'] {} 2018-03-08 10:25:59,305 - Group['spark'] {} 2018-03-08 10:25:59,306 - Group['hdfs'] {} 2018-03-08 10:25:59,306 - Group['zeppelin'] {} 2018-03-08 10:25:59,306 - Group['hadoop'] {} 2018-03-08 10:25:59,306 - Group['users'] {} 2018-03-08 10:25:59,306 - Group['knox'] {} 2018-03-08 10:25:59,307 - User['hive'] {'gid': 'hadoop', 'fetch_nonlocal_groups': True, 'groups': [u'hadoop'], 'uid': None} 2018-03-08 10:25:59,308 - User['infra-solr'] {'gid': 'hadoop', 'fetch_nonlocal_groups': True, 'groups': [u'hadoop'], 'uid': None} 2018-03-08 10:25:59,309 - User['atlas'] {'gid': 'hadoop', 'fetch_nonlocal_groups': True, 'groups': [u'hadoop'], 'uid': None} 2018-03-08 10:25:59,310 - User['ams'] {'gid': 'hadoop', 'fetch_nonlocal_groups': True, 'groups': [u'hadoop'], 'uid': None} 2018-03-08 10:25:59,311 - User['falcon'] {'gid': 'hadoop', 'fetch_nonlocal_groups': True, 'groups': [u'users'], 'uid': None} 2018-03-08 10:25:59,312 - User['accumulo'] {'gid': 'hadoop', 'fetch_nonlocal_groups': True, 'groups': [u'hadoop'], 'uid': None} 2018-03-08 10:25:59,313 - User['spark'] {'gid': 'hadoop', 'fetch_nonlocal_groups': True, 'groups': [u'hadoop'], 'uid': None} 2018-03-08 10:25:59,314 - User['flume'] {'gid': 'hadoop', 'fetch_nonlocal_groups': True, 'groups': [u'hadoop'], 'uid': None} 2018-03-08 10:25:59,315 - User['hbase'] {'gid': 'hadoop', 'fetch_nonlocal_groups': True, 'groups': [u'hadoop'], 'uid': None} 2018-03-08 10:25:59,316 - User['hcat'] {'gid': 'hadoop', 'fetch_nonlocal_groups': True, 'groups': [u'hadoop'], 'uid': None} 2018-03-08 10:25:59,317 - User['storm'] {'gid': 'hadoop', 'fetch_nonlocal_groups': True, 'groups': [u'hadoop'], 'uid': None} 2018-03-08 10:25:59,318 - User['zookeeper'] {'gid': 'hadoop', 'fetch_nonlocal_groups': True, 'groups': [u'hadoop'], 'uid': None} 2018-03-08 10:25:59,319 - User['oozie'] {'gid': 'hadoop', 'fetch_nonlocal_groups': True, 'groups': [u'users'], 'uid': None} 2018-03-08 10:25:59,320 - User['tez'] {'gid': 'hadoop', 'fetch_nonlocal_groups': True, 'groups': [u'users'], 'uid': None} 2018-03-08 10:25:59,321 - User['zeppelin'] {'gid': 'hadoop', 'fetch_nonlocal_groups': True, 'groups': [u'zeppelin', u'hadoop'], 'uid': None} 2018-03-08 10:25:59,322 - User['livy'] {'gid': 'hadoop', 'fetch_nonlocal_groups': True, 'groups': [u'hadoop'], 'uid': None} 2018-03-08 10:25:59,323 - User['mahout'] {'gid': 'hadoop', 'fetch_nonlocal_groups': True, 'groups': [u'hadoop'], 'uid': None} 2018-03-08 10:25:59,324 - User['druid'] {'gid': 'hadoop', 'fetch_nonlocal_groups': True, 'groups': [u'hadoop'], 'uid': None} 2018-03-08 10:25:59,325 - User['ambari-qa'] {'gid': 'hadoop', 'fetch_nonlocal_groups': True, 'groups': [u'users'], 'uid': None} 2018-03-08 10:25:59,326 - User['kafka'] {'gid': 'hadoop', 'fetch_nonlocal_groups': True, 'groups': [u'hadoop'], 'uid': None} 2018-03-08 10:25:59,326 - User['hdfs'] {'gid': 'hadoop', 'fetch_nonlocal_groups': True, 'groups': ['hdfs'], 'uid': None} 2018-03-08 10:25:59,327 - User['sqoop'] {'gid': 'hadoop', 'fetch_nonlocal_groups': True, 'groups': [u'hadoop'], 'uid': None} 2018-03-08 10:25:59,328 - User['yarn'] {'gid': 'hadoop', 'fetch_nonlocal_groups': True, 'groups': [u'hadoop'], 'uid': None} 2018-03-08 10:25:59,329 - User['mapred'] {'gid': 'hadoop', 'fetch_nonlocal_groups': True, 'groups': [u'hadoop'], 'uid': None} 2018-03-08 10:25:59,330 - User['knox'] {'gid': 'hadoop', 'fetch_nonlocal_groups': True, 'groups': [u'hadoop'], 'uid': None} 2018-03-08 10:25:59,331 - File['/var/lib/ambari-agent/tmp/changeUid.sh'] {'content': StaticFile('changeToSecureUid.sh'), 'mode': 0555} 2018-03-08 10:25:59,333 - Execute['/var/lib/ambari-agent/tmp/changeUid.sh ambari-qa /tmp/hadoop-ambari-qa,/tmp/hsperfdata_ambari-qa,/home/ambari-qa,/tmp/ambari-qa,/tmp/sqoop-ambari-qa 0'] {'not_if': '(test $(id -u ambari-qa) -gt 1000) || (false)'} 2018-03-08 10:25:59,338 - Skipping Execute['/var/lib/ambari-agent/tmp/changeUid.sh ambari-qa /tmp/hadoop-ambari-qa,/tmp/hsperfdata_ambari-qa,/home/ambari-qa,/tmp/ambari-qa,/tmp/sqoop-ambari-qa 0'] due to not_if 2018-03-08 10:25:59,338 - Directory['/tmp/hbase-hbase'] {'owner': 'hbase', 'create_parents': True, 'mode': 0775, 'cd_access': 'a'} 2018-03-08 10:25:59,339 - File['/var/lib/ambari-agent/tmp/changeUid.sh'] {'content': StaticFile('changeToSecureUid.sh'), 'mode': 0555} 2018-03-08 10:25:59,340 - File['/var/lib/ambari-agent/tmp/changeUid.sh'] {'content': StaticFile('changeToSecureUid.sh'), 'mode': 0555} 2018-03-08 10:25:59,341 - call['/var/lib/ambari-agent/tmp/changeUid.sh hbase'] {} 2018-03-08 10:25:59,348 - call returned (0, '1009') 2018-03-08 10:25:59,349 - Execute['/var/lib/ambari-agent/tmp/changeUid.sh hbase /home/hbase,/tmp/hbase,/usr/bin/hbase,/var/log/hbase,/tmp/hbase-hbase 1009'] {'not_if': '(test $(id -u hbase) -gt 1000) || (false)'} 2018-03-08 10:25:59,353 - Skipping Execute['/var/lib/ambari-agent/tmp/changeUid.sh hbase /home/hbase,/tmp/hbase,/usr/bin/hbase,/var/log/hbase,/tmp/hbase-hbase 1009'] due to not_if 2018-03-08 10:25:59,354 - Group['hdfs'] {} 2018-03-08 10:25:59,354 - User['hdfs'] {'fetch_nonlocal_groups': True, 'groups': ['hdfs', u'hdfs']} 2018-03-08 10:25:59,355 - FS Type: 2018-03-08 10:25:59,355 - Directory['/etc/hadoop'] {'mode': 0755} 2018-03-08 10:25:59,369 - File['/usr/hdp/2.6.4.0-91/hadoop/conf/hadoop-env.sh'] {'content': InlineTemplate(...), 'owner': 'hdfs', 'group': 'hadoop'} 2018-03-08 10:25:59,369 - Writing File['/usr/hdp/2.6.4.0-91/hadoop/conf/hadoop-env.sh'] because contents don't match 2018-03-08 10:25:59,370 - Directory['/var/lib/ambari-agent/tmp/hadoop_java_io_tmpdir'] {'owner': 'hdfs', 'group': 'hadoop', 'mode': 01777} 2018-03-08 10:25:59,385 - Repository['HDP-2.6-repo-1'] {'append_to_file': False, 'base_url': 'http://public-repo-1.hortonworks.com/HDP/centos7/2.x/updates/2.6.4.0', 'action': ['create'], 'components': [u'HDP', 'main'], 'repo_template': '[{{repo_id}}]\nname={{repo_id}}\n{% if mirror_list %}mirrorlist={{mirror_list}}{% else %}baseurl={{base_url}}{% endif %}\n\npath=/\nenabled=1\ngpgcheck=0', 'repo_file_name': 'ambari-hdp-1', 'mirror_list': None} 2018-03-08 10:25:59,392 - File['/etc/yum.repos.d/ambari-hdp-1.repo'] {'content': '[HDP-2.6-repo-1]\nname=HDP-2.6-repo-1\nbaseurl=http://public-repo-1.hortonworks.com/HDP/centos7/2.x/updates/2.6.4.0\n\npath=/\nenabled=1\ngpgcheck=0'} 2018-03-08 10:25:59,393 - Writing File['/etc/yum.repos.d/ambari-hdp-1.repo'] because contents don't match 2018-03-08 10:25:59,393 - Repository['HDP-2.6-GPL-repo-1'] {'append_to_file': True, 'base_url': 'http://public-repo-1.hortonworks.com/HDP-GPL/centos7/2.x/updates/2.6.4.0', 'action': ['create'], 'components': [u'HDP-GPL', 'main'], 'repo_template': '[{{repo_id}}]\nname={{repo_id}}\n{% if mirror_list %}mirrorlist={{mirror_list}}{% else %}baseurl={{base_url}}{% endif %}\n\npath=/\nenabled=1\ngpgcheck=0', 'repo_file_name': 'ambari-hdp-1', 'mirror_list': None} 2018-03-08 10:25:59,397 - File['/etc/yum.repos.d/ambari-hdp-1.repo'] {'content': '[HDP-2.6-repo-1]\nname=HDP-2.6-repo-1\nbaseurl=http://public-repo-1.hortonworks.com/HDP/centos7/2.x/updates/2.6.4.0\n\npath=/\nenabled=1\ngpgcheck=0\n[HDP-2.6-GPL-repo-1]\nname=HDP-2.6-GPL-repo-1\nbaseurl=http://public-repo-1.hortonworks.com/HDP-GPL/centos7/2.x/updates/2.6.4.0\n\npath=/\nenabled=1\ngpgcheck=0'} 2018-03-08 10:25:59,397 - Writing File['/etc/yum.repos.d/ambari-hdp-1.repo'] because contents don't match 2018-03-08 10:25:59,397 - Repository['HDP-UTILS-1.1.0.22-repo-1'] {'append_to_file': True, 'base_url': 'http://public-repo-1.hortonworks.com/HDP-UTILS-1.1.0.22/repos/centos7', 'action': ['create'], 'components': [u'HDP-UTILS', 'main'], 'repo_template': '[{{repo_id}}]\nname={{repo_id}}\n{% if mirror_list %}mirrorlist={{mirror_list}}{% else %}baseurl={{base_url}}{% endif %}\n\npath=/\nenabled=1\ngpgcheck=0', 'repo_file_name': 'ambari-hdp-1', 'mirror_list': None} 2018-03-08 10:25:59,400 - File['/etc/yum.repos.d/ambari-hdp-1.repo'] {'content': '[HDP-2.6-repo-1]\nname=HDP-2.6-repo-1\nbaseurl=http://public-repo-1.hortonworks.com/HDP/centos7/2.x/updates/2.6.4.0\n\npath=/\nenabled=1\ngpgcheck=0\n[HDP-2.6-GPL-repo-1]\nname=HDP-2.6-GPL-repo-1\nbaseurl=http://public-repo-1.hortonworks.com/HDP-GPL/centos7/2.x/updates/2.6.4.0\n\npath=/\nenabled=1\ngpgcheck=0\n[HDP-UTILS-1.1.0.22-repo-1]\nname=HDP-UTILS-1.1.0.22-repo-1\nbaseurl=http://public-repo-1.hortonworks.com/HDP-UTILS-1.1.0.22/repos/centos7\n\npath=/\nenabled=1\ngpgcheck=0'} 2018-03-08 10:25:59,400 - Writing File['/etc/yum.repos.d/ambari-hdp-1.repo'] because contents don't match 2018-03-08 10:25:59,401 - Package['unzip'] {'retry_on_repo_unavailability': False, 'retry_count': 5} 2018-03-08 10:25:59,597 - Skipping installation of existing package unzip 2018-03-08 10:25:59,597 - Package['curl'] {'retry_on_repo_unavailability': False, 'retry_count': 5} 2018-03-08 10:25:59,690 - Skipping installation of existing package curl 2018-03-08 10:25:59,690 - Package['hdp-select'] {'retry_on_repo_unavailability': False, 'retry_count': 5} 2018-03-08 10:25:59,784 - Skipping installation of existing package hdp-select 2018-03-08 10:25:59,789 - The repository with version 2.6.4.0-91 for this command has been marked as resolved. It will be used to report the version of the component which was installed 2018-03-08 10:26:00,049 - Package['mahout'] {'retry_on_repo_unavailability': False, 'retry_count': 5} 2018-03-08 10:26:00,239 - Installing package mahout ('/usr/bin/yum -d 0 -e 0 -y install mahout') 2018-03-08 10:26:05,411 - Using hadoop conf dir: /usr/hdp/2.6.4.0-91/hadoop/conf 2018-03-08 10:26:05,412 - Stack Feature Version Info: Cluster Stack=2.6, Command Stack=None, Command Version=None -> 2.6 2018-03-08 10:26:05,415 - Directory['/usr/hdp/current/mahout-client/conf'] {'owner': 'mahout', 'create_parents': True, 'group': 'hadoop'} 2018-03-08 10:26:05,415 - Creating directory Directory['/usr/hdp/current/mahout-client/conf'] since it doesn't exist. 2018-03-08 10:26:05,416 - Changing owner for /usr/hdp/current/mahout-client/conf from 0 to mahout 2018-03-08 10:26:05,416 - Changing group for /usr/hdp/current/mahout-client/conf from 0 to hadoop 2018-03-08 10:26:05,416 - XmlConfig['yarn-site.xml'] {'group': 'hadoop', 'conf_dir': '/usr/hdp/2.6.4.0-91/hadoop/conf', 'mode': 0644, 'configuration_attributes': {}, 'owner': 'yarn', 'configurations': ...} 2018-03-08 10:26:05,426 - Generating config: /usr/hdp/2.6.4.0-91/hadoop/conf/yarn-site.xml 2018-03-08 10:26:05,427 - File['/usr/hdp/2.6.4.0-91/hadoop/conf/yarn-site.xml'] {'owner': 'yarn', 'content': InlineTemplate(...), 'group': 'hadoop', 'mode': 0644, 'encoding': 'UTF-8'} 2018-03-08 10:26:05,499 - Writing File['/usr/hdp/2.6.4.0-91/hadoop/conf/yarn-site.xml'] because it doesn't exist 2018-03-08 10:26:05,500 - Changing owner for /usr/hdp/2.6.4.0-91/hadoop/conf/yarn-site.xml from 0 to yarn 2018-03-08 10:26:05,500 - Changing group for /usr/hdp/2.6.4.0-91/hadoop/conf/yarn-site.xml from 0 to hadoop 2018-03-08 10:26:05,500 - File['/usr/hdp/current/mahout-client/conf/log4j.properties'] {'content': ..., 'owner': 'mahout', 'group': 'hadoop', 'mode': 0644} 2018-03-08 10:26:05,500 - Writing File['/usr/hdp/current/mahout-client/conf/log4j.properties'] because it doesn't exist 2018-03-08 10:26:05,500 - Changing owner for /usr/hdp/current/mahout-client/conf/log4j.properties from 0 to mahout 2018-03-08 10:26:05,500 - Changing group for /usr/hdp/current/mahout-client/conf/log4j.properties from 0 to hadoop 2018-03-08 10:26:05,503 - The repository with version 2.6.4.0-91 for this command has been marked as resolved. It will be used to report the version of the component which was installed 2018-03-08 10:26:05,749 - Using hadoop conf dir: /usr/hdp/2.6.4.0-91/hadoop/conf 2018-03-08 10:26:05,779 - Execute[('ambari-python-wrap', u'/usr/bin/hdp-select', 'set', u'mahout-client', u'2.6.4.0-91')] {'sudo': True} 2018-03-08 10:26:05,806 - The repository with version 2.6.4.0-91 for this command has been marked as resolved. It will be used to report the version of the component which was installed Command failed after 1 tries ... View more

I understand the issue, i just dont know where to rectify it during the setup. (Yes i am new to this). I see that it says it will autocorrect this, but i want to be 100% sure. Thx in advance ... View more