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https://issues.apache.org/jira/browse/AMBARI-20270?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15894096#comment-15894096
]
Hudson commented on AMBARI-20270:
---------------------------------
SUCCESS: Integrated in Jenkins build Ambari-branch-2.5 #1168 (See
[https://builds.apache.org/job/Ambari-branch-2.5/1168/])
AMBARI-20270. NPE thrown if downscale is performed before all hosts (stoader:
[http://git-wip-us.apache.org/repos/asf?p=ambari.git&a=commit&h=97c29893c2df1d73be9f44742a4c0b7d3f5d8375])
* (edit)
ambari-server/src/test/java/org/apache/ambari/server/topology/LogicalRequestTest.java
* (edit)
ambari-server/src/main/java/org/apache/ambari/server/topology/LogicalRequest.java
> NPE thrown if downscale is performed before all hosts registered with cluster.
> ------------------------------------------------------------------------------
>
> Key: AMBARI-20270
> URL: https://issues.apache.org/jira/browse/AMBARI-20270
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Reporter: Sebastian Toader
> Assignee: Sebastian Toader
> Priority: Critical
> Fix For: 2.5.0
>
> Attachments: AMBARI-20270.v1.patch
>
>
> In case of a cluster provisioned using Blueprints if a downscale is performed
> before all hosts listed in the cluster creation template joined the server a
> NullPointerException is thrown.
> {code}
> 27 Feb 2017 06:09:07,030 ERROR [ambari-client-thread-28]
> ContainerResponse:419 - The RuntimeException could not be mapped to a
> response, re-throwing to the HTTP container
> java.lang.NullPointerException
> at
> org.apache.ambari.server.topology.LogicalRequest.removeHostRequestByHostName(LogicalRequest.java:346)
> at
> org.apache.ambari.server.controller.internal.HostResourceProvider.processDeleteHostRequests(HostResourceProvider.java:899)
> at
> org.apache.ambari.server.controller.internal.HostResourceProvider.deleteHosts(HostResourceProvider.java:865)
> at
> org.apache.ambari.server.orm.AmbariJpaLocalTxnInterceptor.invoke(AmbariJpaLocalTxnInterceptor.java:128)
> at
> org.apache.ambari.server.controller.internal.HostResourceProvider$4.invoke(HostResourceProvider.java:345)
> at
> org.apache.ambari.server.controller.internal.HostResourceProvider$4.invoke(HostResourceProvider.java:342)
> at
> org.apache.ambari.server.controller.internal.AbstractResourceProvider.invokeWithRetry(AbstractResourceProvider.java:455)
> at
> org.apache.ambari.server.controller.internal.AbstractResourceProvider.modifyResources(AbstractResourceProvider.java:336)
> at
> org.apache.ambari.server.controller.internal.HostResourceProvider.deleteResourcesAuthorized(HostResourceProvider.java:342)
> at
> org.apache.ambari.server.controller.internal.AbstractAuthorizedResourceProvider.deleteResources(AbstractAuthorizedResourceProvider.java:335)
> at
> org.apache.ambari.server.controller.internal.ClusterControllerImpl.deleteResources(ClusterControllerImpl.java:339)
> at
> org.apache.ambari.server.api.services.persistence.PersistenceManagerImpl.delete(PersistenceManagerImpl.java:132)
> at
> org.apache.ambari.server.api.handlers.DeleteHandler.persist(DeleteHandler.java:49)
> at
> org.apache.ambari.server.api.handlers.BaseManagementHandler.handleRequest(BaseManagementHandler.java:73)
> at
> org.apache.ambari.server.api.services.BaseRequest.process(BaseRequest.java:144)
> at
> org.apache.ambari.server.api.services.BaseService.handleRequest(BaseService.java:126)
> at
> org.apache.ambari.server.api.services.BaseService.handleRequest(BaseService.java:90)
> at
> org.apache.ambari.server.api.services.HostService.deleteHost(HostService.java:194)
> {code}
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