Configuring an Application in the Streaming Application Manager in HDF-3: When I dragged a KAFKA source tile component unto the Application Builder canvas - and double clicked on it to configure/specify the mandatory argument 'KAFKA TOPIC*'; on selecting the correct topic from the dropdown list - the error 'SCHEMA NOT FOUND' was displayed by the application builder service. I have attached a screenshot of the error encountered below.screen-shot-2017-07-18-at-12057-pm.png ... View more

When I click on NEW APPLICATION option under "My Application" in S.A.M, to add/create a NEW application, SAM displays the ERROR - "Cannot read property 'TopologyComponentUISpecification' of undefined" !!! PLEASE NOTE: (a) I have previously created - a valid SERVICE POOL and ENVIRONMENT in SAM, successfully, for use by the 'New Application' builder. (b) How can I resolve the above ERROR, to continue to ADD a NEW APPLICATION (using the 'New Application' function) in SAM ?? ... View more

Hello, when trying to install the NIFI service in HDP v2.6 via Ambari, I get the following error - and service is NOT installed: stderr: /var/lib/ambari-agent/data/errors-279.txt Traceback (most recent call last): File "/var/lib/ambari-agent/cache/stacks/HDP/2.6/services/NIFI/package/scripts/master.py", line 131, in <module> Master().execute() File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py", line 314, in execute method(env) File "/var/lib/ambari-agent/cache/stacks/HDP/2.6/services/NIFI/package/scripts/master.py", line 50, in install Execute('tar -xf '+params.temp_file+' -C '+ params.nifi_dir +' >> ' + params.nifi_log_file, user=params.nifi_user) File "/usr/lib/python2.6/site-packages/resource_management/core/base.py", line 155, 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 'tar -xf /tmp/nifi-1.1.0.2.1.2.0-10-bin.tar.gz -C /opt/nifi-1.1.0.2.1.2.0-10-bin >> /var/log/nifi/nifi-setup.log' returned 2. gzip: stdin: unexpected end of file tar: Unexpected EOF in archive tar: Unexpected EOF in archive tar: Error is not recoverable: exiting now ... View more