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Date: Fri, 3 Mar 2017 02:02:45 +0000 (UTC)
From: "Eric Yang (JIRA)" <jira@apache.org>
To: issues@ambari.apache.org
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Subject: [jira] [Created] (AMBARI-20289) Optional host_group can interfere
 with actual deployment
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archived-at: Fri, 03 Mar 2017 02:02:53 -0000

Eric Yang created AMBARI-20289:
----------------------------------

             Summary: Optional host_group can interfere with actual deployment
                 Key: AMBARI-20289
                 URL: https://issues.apache.org/jira/browse/AMBARI-20289
             Project: Ambari
          Issue Type: Improvement
    Affects Versions: 2.4.2
            Reporter: Eric Yang


User defines a blueprint that contains 4 host groups.  Edge group, management group 1 and 2, and worker group.  For management group 1, include a single knox server.  In edge group, also define Knox server.  When edge group includes one or more hosts, they will be used for Knox Server HA.  Without edge group, management group 1 will be used as a single Knox server.

When edge group does not contain any host, Ambari throws a weird exception:
{code}
26 Feb 2017 19:14:55,108  WARN [pool-16-thread-1] BlueprintConfigurationProcessor:1403 - The property 'dfs.namenode.secondary.http-address' is associated with the component 'SECONDARY_NAMENODE' which isn't mapped to any host group. This may affect configuration topology resolution.
26 Feb 2017 19:14:55,129  INFO [pool-3-thread-1] AsyncCallableService:111 - Exception during task execution:
java.util.concurrent.ExecutionException: java.lang.IllegalArgumentException: TopologyManager.ConfigureClusterTask - prerequisites for config request processing not yet  satisfied
    at java.util.concurrent.FutureTask.report(FutureTask.java:122)
    at java.util.concurrent.FutureTask.get(FutureTask.java:206)
    at org.apache.ambari.server.topology.AsyncCallableService.taskCompleted(AsyncCallableService.java:103)
    at org.apache.ambari.server.topology.AsyncCallableService.call(AsyncCallableService.java:74)
    at org.apache.ambari.server.topology.AsyncCallableService.call(AsyncCallableService.java:37)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.IllegalArgumentException: TopologyManager.ConfigureClusterTask - prerequisites for config request processing not yet  satisfied
    at org.apache.ambari.server.topology.TopologyManager$ConfigureClusterTask.call(TopologyManager.java:908)
    at org.apache.ambari.server.topology.TopologyManager$ConfigureClusterTask.call(TopologyManager.java:889)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
    ... 3 more
{code}

HDFS does not get formatted.  There is a 30 minutes delay between submit cluster construction REST request, and Ambari start to install the cluster.


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