[jira] [Created] (AMBARI-19718) Druid router default config for tierToBrokerMap should point to default tier and broker name

["Nishant Bangarwa (JIRA)" <ji...@apache.org>]

Nishant Bangarwa created AMBARI-19718:
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             Summary: Druid router default config for tierToBrokerMap should point to default tier and broker name
                 Key: AMBARI-19718
                 URL: https://issues.apache.org/jira/browse/AMBARI-19718
             Project: Ambari
          Issue Type: Bug
            Reporter: Nishant Bangarwa
            Assignee: Nishant Bangarwa
             Fix For: trunk, 2.5.0


Druid router default config for tierToBrokerMap should point to default tier and broker name. Currently it is pointing to empty map which will cause below error - 
{code}
o.druid.java.util.common.ISE: No default server found!
        at io.druid.server.router.QueryHostFinder.getDefaultHost(QueryHostFinder.java:115) ~[druid-server-0.9.3-SNAPSHOT.jar:0.9.3-SNAPSHOT]
        at io.druid.server.AsyncQueryForwardingServlet.service(AsyncQueryForwardingServlet.java:168) ~[druid-server-0.9.3-SNAPSHOT.jar:0.9.3-SNAPSHOT]
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) ~[javax.servlet-api-3.1.0.jar:3.1.0]
{code}



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