[jira] [Created] (AMBARI-15544) Creating multi-node cluster using Blueprints fails.

["Nahappan Somasundaram (JIRA)" <ji...@apache.org>]

Nahappan Somasundaram created AMBARI-15544:
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             Summary: Creating multi-node cluster using Blueprints fails.
                 Key: AMBARI-15544
                 URL: https://issues.apache.org/jira/browse/AMBARI-15544
             Project: Ambari
          Issue Type: Bug
          Components: ambari-server
    Affects Versions: 2.4.0
            Reporter: Nahappan Somasundaram
            Assignee: Nahappan Somasundaram
            Priority: Blocker
             Fix For: 2.4.0


Provisioning multinode cluster using Blueprints fails as Ambari sends install and start tasks only to a single node (agent) but not to nodes.

Apparently this is being caused by an NPE thrown from 
RecoveryConfigHelper.java: 146

Long timestamp = hostTimestamp.get(hostname);
if (timestamp.longValue() != recoveryTimestamp) {
  return true;
}

for all agents except one. Due to the NPE the server never gets to execute the code that adds the commands to be executed by the agent to the heartbeat response for the agent. 



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