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https://issues.apache.org/jira/browse/AMBARI-19156?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15749474#comment-15749474
 ] 

Di Li commented on AMBARI-19156:
--------------------------------

AMBARI-19156
Pushed to Trunk as
https://git-wip-us.apache.org/repos/asf?p=ambari.git;a=commit;h=162ee83c552e2c418cc2ee97dbb3687ffc8e1ae3

Pushed to Branch-2.5 as
https://git-wip-us.apache.org/repos/asf?p=ambari.git;a=commit;h=a74bf6b2b943642d579f497747adf385ae2340a1


> Install Packages fails with the old stack has services removed in the new 
> stack
> -------------------------------------------------------------------------------
>
>                 Key: AMBARI-19156
>                 URL: https://issues.apache.org/jira/browse/AMBARI-19156
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: trunk, 2.5.0
>            Reporter: Di Li
>            Assignee: Di Li
>             Fix For: trunk, 2.5.0
>
>         Attachments: AMBARI-19156-v2.patch, AMBARI-19156-v3.patch, 
> AMBARI-19156.patch
>
>
> Install packages step (before RU/EU) fails with err "Cannot enumerate 
> services" if the current stack has services that have been removed in the new 
> stack. For example, mystack-1.0 has Spark, but mystakc-2.0 only has Spark2, 
> where Spark's metainfo.xml in mystack-2.0 has the <deleted>true</deleted> 
> section.
> Workaround is to remove Spark before attempting the install packages.
> The error is below:
> 02 Dec 2016 12:53:43,928 ERROR [ambari-client-thread-27] 
> BaseManagementHandler:61 - Caught a system exception while attempting to 
> create a resource: Cannot enumerate services
> org.apache.ambari.server.controller.spi.SystemException: Cannot enumerate 
> services
>         at 
> org.apache.ambari.server.controller.internal.ClusterStackVersionResourceProvider.getHostVersionInstallCommand(ClusterStackVersionResourceProvider.java:606)
>         at 
> org.apache.ambari.server.controller.internal.ClusterStackVersionResourceProvider.createResourcesAuthorized(ClusterStackVersionResourceProvider.java:508)
>         at 
> org.apache.ambari.server.controller.internal.AbstractAuthorizedResourceProvider.createResources(AbstractAuthorizedResourceProvider.java:220)
>         at 
> org.apache.ambari.server.controller.internal.ClusterControllerImpl.createResources(ClusterControllerImpl.java:298)
>         at 
> org.apache.ambari.server.api.services.persistence.PersistenceManagerImpl.create(PersistenceManagerImpl.java:97)
>         at 
> org.apache.ambari.server.api.handlers.CreateHandler.persist(CreateHandler.java:37)
>         at 
> org.apache.ambari.server.api.handlers.BaseManagementHandler.handleRequest(BaseManagementHandler.java:73)
>         at 
> org.apache.ambari.server.api.services.BaseRequest.process(BaseRequest.java:145)
>         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.ClusterStackVersionService.createRequests(ClusterStackVersionService.java:121)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>         at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:498)
>         at 
> com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60)
>         at 
> com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:205)
>         at 
> com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75)
>         at 
> com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:302)
>         at 
> com.sun.jersey.server.impl.uri.rules.SubLocatorRule.accept(SubLocatorRule.java:137)
>         at 
> com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)



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