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From "Hari Sekhon (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-11778) Add Host Wizard fails to add previously removed host: More than one result was returned
Date Mon, 08 Jun 2015 08:54:00 GMT
Hari Sekhon created AMBARI-11778:
------------------------------------

             Summary: Add Host Wizard fails to add previously removed host: More than one
result was returned
                 Key: AMBARI-11778
                 URL: https://issues.apache.org/jira/browse/AMBARI-11778
             Project: Ambari
          Issue Type: Bug
          Components: ambari-server, ambari-web
    Affects Versions: 2.0.0
         Environment: HDP 2.2
            Reporter: Hari Sekhon
         Attachments: Ambari_add_host_more_than_one_result.png

After deleting a host and then re-adding it via Ambari web UI the addition fails with the
following error
{code}More than one result was returned from Query.getSingleResult(){code}
The host probably wasn't removed properly by Ambari. I'm attaching a screenshot and ambari-server
log which shows the full exception:
{code}08 Jun 2015 09:37:08,994  WARN [qtp-client-134911] ServletHandler:514 - /api/v1/clusters/<custom_scrubbed>/hosts
javax.persistence.NonUniqueResultException: More than one result was returned from Query.getSingleResult()
        at org.eclipse.persistence.internal.jpa.QueryImpl.throwNonUniqueResultException(QueryImpl.java:976)
        at org.eclipse.persistence.internal.jpa.QueryImpl.getSingleResult(QueryImpl.java:525)
        at org.eclipse.persistence.internal.jpa.EJBQueryImpl.getSingleResult(EJBQueryImpl.java:400)
        at org.apache.ambari.server.orm.dao.DaoUtils.selectSingle(DaoUtils.java:71)
        at org.apache.ambari.server.orm.dao.HostVersionDAO.findByClusterStackVersionAndHost(HostVersionDAO.java:173)
        at org.apache.ambari.server.orm.AmbariLocalSessionInterceptor.invoke(AmbariLocalSessionInterceptor.java:53)
        at org.apache.ambari.server.state.cluster.ClusterImpl.recalculateClusterVersionState(ClusterImpl.java:1250)
        at org.apache.ambari.server.state.cluster.ClusterImpl.recalculateAllClusterVersionStates(ClusterImpl.java:1375)
        at org.apache.ambari.server.controller.internal.HostResourceProvider.createHosts(HostResourceProvider.java:461)
        at org.apache.ambari.server.controller.internal.HostResourceProvider$1.invoke(HostResourceProvider.java:166)
        at org.apache.ambari.server.controller.internal.HostResourceProvider$1.invoke(HostResourceProvider.java:163)
        at org.apache.ambari.server.controller.internal.AbstractResourceProvider.createResources(AbstractResourceProvider.java:273)
        at org.apache.ambari.server.controller.internal.HostResourceProvider.createResources(HostResourceProvider.java:163)
        at org.apache.ambari.server.controller.internal.ClusterControllerImpl.createResources(ClusterControllerImpl.java:289)
...{code}



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