[jira] [Created] (AMBARI-14901) NPE when configuring Kerberos at provisioning secure cluster with Blueprint

["Sandor Magyari (JIRA)" <ji...@apache.org>]

Sandor Magyari created AMBARI-14901:
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             Summary: NPE when configuring Kerberos at provisioning secure cluster with Blueprint
                 Key: AMBARI-14901
                 URL: https://issues.apache.org/jira/browse/AMBARI-14901
             Project: Ambari
          Issue Type: Bug
          Components: ambari-server
    Affects Versions: 2.2.1
            Reporter: Sandor Magyari
            Assignee: Sandor Magyari
             Fix For: 2.2.2


Provision a cluster with blueprint and enable kerberos with it. config_recommendation_strategy is ONLY_STACK_DEFAULTS_APPLY. The cluster installation will fail.
java.lang.NullPointerException
at org.apache.ambari.server.topology.ClusterConfigurationRequest.configureKerberos(ClusterConfigurationRequest.java:151)
at org.apache.ambari.server.topology.ClusterConfigurationRequest.process(ClusterConfigurationRequest.java:103)
at org.apache.ambari.server.topology.TopologyManager$ConfigureClusterTask.call(TopologyManager.java:764)
at org.apache.ambari.server.topology.TopologyManager$ConfigureClusterTask.call(TopologyManager.java:738)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
Suspicious code snippet:
Map<String, String> propertyMap = updatedConfigs.get(configType);
        Map<String, String> clusterConfigProperties = existingConfigurations.get(configType);
        Map<String, String> stackDefaultConfigProperties = stackDefaultProps.get(configType);
        for (String property : propertyMap.keySet()) {
          if (clusterConfigProperties == null || !clusterConfigProperties.containsKey(property)
                || (clusterConfigProperties.get(property) == null && stackDefaultConfigProperties.get(property) == null)
                || (clusterConfigProperties.get(property) != null && clusterConfigProperties.get(property).equals(stackDefaultConfigProperties.get(property))))



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