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From Fay Wang <faywang...@yahoo.com>
Subject NPE in AbstractResourceProvider
Date Mon, 30 May 2016 23:20:43 GMT
Hi, 
   We encounter this NPE when trying to logon to Ambari UI. Any help is highly appreciated....

30 May 2016 22:55:48,883  INFO [qtp-client-57] MetricsPropertyProvider:526 - METRICS_COLLECTOR
is not live. Skip populating resources with metrics.
30 May 2016 22:55:48,883  INFO [qtp-client-57] MetricsPropertyProvider:526 - METRICS_COLLECTOR
is not live. Skip populating resources with metrics.
30 May 2016 22:55:48,884  INFO [qtp-client-57] MetricsPropertyProvider:526 - METRICS_COLLECTOR
is not live. Skip populating resources with metrics.
30 May 2016 22:55:48,884  INFO [qtp-client-57] MetricsPropertyProvider:526 - METRICS_COLLECTOR
is not live. Skip populating resources with metrics.
30 May 2016 22:55:48,885  INFO [qtp-client-57] MetricsPropertyProvider:526 - METRICS_COLLECTOR
is not live. Skip populating resources with metrics.
30 May 2016 22:55:48,885  INFO [qtp-client-57] MetricsPropertyProvider:526 - METRICS_COLLECTOR
is not live. Skip populating resources with metrics.
30 May 2016 22:55:52,354 ERROR [qtp-client-57] ReadHandler:91 - Caught a runtime exception
executing a query
java.lang.NullPointerException
    at org.apache.ambari.server.controller.internal.AlertResourceProvider.toResource(AlertResourceProvider.java:199)
    at org.apache.ambari.server.controller.internal.AlertResourceProvider.getResources(AlertResourceProvider.java:179)
    at org.apache.ambari.server.controller.internal.AlertResourceProvider.queryForResources(AlertResourceProvider.java:135)
    at org.apache.ambari.server.controller.internal.ClusterControllerImpl$ExtendedResourceProviderWrapper.queryForResources(ClusterControllerImpl.java:945)
    at org.apache.ambari.server.controller.internal.ClusterControllerImpl.getResources(ClusterControllerImpl.java:132)
    at org.apache.ambari.server.api.query.QueryImpl.doQuery(QueryImpl.java:489)
    at org.apache.ambari.server.api.query.QueryImpl.queryForResources(QueryImpl.java:388)
    at org.apache.ambari.server.api.query.QueryImpl.execute(QueryImpl.java:224)


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