[AMBARI-18623] NPE when a non-existent host is provided as part of the host filter

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.5.0
• Assignee: Andrew Onischuk
• Reporter: Andrew Onischuk
• Created: 18/Oct/16 07:36
• Updated: 31/Oct/16 13:13
• Resolved: 31/Oct/16 12:23

Description

When a non-existent host is provided as part of the host filter then server
throws an NPE.

API call

curl -u admin:admin -H "X-Requested-By: ambari" -X POST -d '{"RequestInfo":

{"context":"YARN Service Check","command":"YARN_SERVICE_CHECK"}

,"Requests/resource_filters":[

{"service_name":"YARN","hosts":"hn0-d7d2bf.hdinsight.net"}

]}' http://localhost:8080/api/v1/clusters/jeezraspark2zeppelin18/requests

{ "status": 500, "message": "Server Error" }

15 Oct 2016 01:10:28,655 INFO [ambari-client-thread-1378] AmbariManagementControllerImpl:3762 - Received action execution request, clusterName=jeezraspark2zeppelin18, request=isCommand :true, action :null, command :YARN_SERVICE_CHECK, inputs :{}, resourceFilters: [RequestResourceFilter

{serviceName='YARN', componentName='null', hostNames=[hn0-d7d2bf.hdinsight.net]}

], exclusive: false, clusterName :jeezraspark2zeppelin18
15 Oct 2016 01:10:28,658 ERROR [ambari-client-thread-1378] BaseManagementHandler:71 - Caught a runtime exception while attempting to create a resource: null
java.lang.NullPointerException
at org.apache.ambari.server.controller.AmbariCustomCommandExecutionHelper.findHostAndAddServiceCheckAction(AmbariCustomCommandExecutionHelper.java:557)
at org.apache.ambari.server.controller.AmbariCustomCommandExecutionHelper.addExecutionCommandsToStage(AmbariCustomCommandExecutionHelper.java:997)
at org.apache.ambari.server.controller.AmbariManagementControllerImpl.createAction(AmbariManagementControllerImpl.java:3818)

Issue Links

• links to: ReviewBoard