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https://issues.apache.org/jira/browse/AMBARI-19718?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sumit Mohanty resolved AMBARI-19718.
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Resolution: Fixed
> 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
>
> Attachments: ambari-19718.patch
>
>
> 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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