Ximo Guanter created AMBARI-1866:
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Summary: Configurations that are applied to a service aren't
returned in cluster.getDesiredConfigs()
Key: AMBARI-1866
URL: https://issues.apache.org/jira/browse/AMBARI-1866
Project: Ambari
Issue Type: Bug
Affects Versions: 1.3.1
Reporter: Ximo Guanter
h3.Repro
Here's the symptom of this bug: if you create a cluster, add some
configurations to it (not as part of the desired_configs) and apply them (i.e.
add them to desired_configs) to a service, you will not be able to install the
service. You get the error message "has_key(): expects the first argument to be
a hash, got \"\" which is of type String" because the $configuration variable
is not being set in the generated site.pp
These are basically the instructions in
https://cwiki.apache.org/confluence/display/AMBARI/Adding+a+New+Service+to+an+Existing+Cluster
h3. Technical details
It seems the problem happens in line 2076 in
AmbariManagementControllerImpl.java The call to {{cluster.getDesiredConfigs()}}
should be returning a {{DesiredConfig}} with no tag, indicating that it is
being overridden in the service, but this is not happening. An empty set is
returned, and even though the Service is correctly configured, no configuration
gets sent to the agent.
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