grafana can not start and made an alert in ambari. [root@compute-1-0 ~]# /usr/sbin/ambari-metrics-grafana restartStopping Ambari Metrics Grafana ...OK Starting Ambari Metrics Grafana: .... FAILED and metrics collector process failed in ambari: (see this.) Connection failed: [Errno 111] Connection refused to compute-1-6.local:6188 ... View more

i install and configure the ambari HDP in my cluster. all services like HDFS, MR, YARN, Zookeeper run without alerts but ambari metrics has some alerts i can not how to fix them. (see picture) what should i do? (i stop all and start all services before but it didn't made any change) ... View more

i read the documents on hortonworks for setting a local repository and now in the "install, start and tests" it failed. the error is this: raise Fail("Applying %s failed, parent directory %s doesn't exist" % (self.resource, dirname)) resource_management.core.exceptions.Fail: Applying File['/usr/hdp/current/hadoop-client/conf/hadoop-policy.xml'] failed, parent directory /usr/hdp/current/hadoop-client/conf doesn't exist what should i do? any idea? ... View more

hi, i am very confused by an error. if someone knows how i can resolve the issue, please help me!!! i want to configure and install the ambari2.2.2.0+HDP2.4 in a rocks cluster with 7 nodes. ( the one is master and the others are slaves). i did all the steps in documents but in the "install, start and test" i regularly see this error message: Traceback (most recent call last): File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-ANY/scripts/hook.py", line 35, in <module> BeforeAnyHook().execute() File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py", line 219, in execute method(env) File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-ANY/scripts/hook.py", line 29, in hook setup_users() File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-ANY/scripts/shared_initialization.py", line 44, in setup_users fetch_nonlocal_groups = params.fetch_nonlocal_groups File "/usr/lib/python2.6/site-packages/resource_management/core/base.py", line 154, 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/accounts.py", line 82, in action_create shell.checked_call(command, sudo=True) File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 70, in inner result = function(command, **kwargs) File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 92, in checked_call tries=tries, try_sleep=try_sleep) File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 140, in _call_wrapper result = _call(command, **kwargs_copy) File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 291, in _call raise Fail(err_msg) resource_management.core.exceptions.Fail: Execution of 'useradd -m -G hadoop -g hadoop spark' returned 12. useradd: cannot create directory /home/spark Error: Error: Unable to run the custom hook script ['/usr/bin/python', '/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-ANY/scripts/hook.py', 'ANY', '/var/lib/ambari-agent/data/command-995.json', '/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-ANY', '/var/lib/ambari-agent/data/structured-out-995.json', 'INFO', '/var/lib/ambari-agent/tmp'] ... View more