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https://issues.apache.org/jira/browse/YARN-8942?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17286506#comment-17286506
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Bilwa S T commented on YARN-8942:
---------------------------------

[~brahmareddy] please cherry-pick this to branch 3.3.1.  Thanks

> PriorityBasedRouterPolicy throws exception if all sub-cluster weights have 
> negative value
> -----------------------------------------------------------------------------------------
>
>                 Key: YARN-8942
>                 URL: https://issues.apache.org/jira/browse/YARN-8942
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 3.3.0
>            Reporter: Akshay Agarwal
>            Assignee: Bilwa S T
>            Priority: Minor
>             Fix For: 3.4.0
>
>         Attachments: YARN-8942.001.patch, YARN-8942.002.patch
>
>
> In *PriorityBasedRouterPolicy* if all sub-cluster weights are *set to 
> negative values* it is throwing exception while running a job.
> Ideally it should handle the negative priority as well according to the home 
> sub cluster selection process of the policy.
>  *Exception Details:*
> {code:java}
> java.io.IOException: org.apache.hadoop.yarn.exceptions.YarnException: Unable 
> to insert the ApplicationId application_1540356760422_0015 into the 
> FederationStateStore
>         at 
> org.apache.hadoop.yarn.server.router.RouterServerUtil.logAndThrowException(RouterServerUtil.java:56)
>         at 
> org.apache.hadoop.yarn.server.router.clientrm.FederationClientInterceptor.submitApplication(FederationClientInterceptor.java:418)
>         at 
> org.apache.hadoop.yarn.server.router.clientrm.RouterClientRMService.submitApplication(RouterClientRMService.java:218)
>         at 
> org.apache.hadoop.yarn.api.impl.pb.service.ApplicationClientProtocolPBServiceImpl.submitApplication(ApplicationClientProtocolPBServiceImpl.java:282)
>         at 
> org.apache.hadoop.yarn.proto.ApplicationClientProtocol$ApplicationClientProtocolService$2.callBlockingMethod(ApplicationClientProtocol.java:579)
>         at 
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:523)
>         at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:991)
>         at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:872)
>         at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:818)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at javax.security.auth.Subject.doAs(Subject.java:422)
>         at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1729)
>         at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2678)
> Caused by: 
> org.apache.hadoop.yarn.server.federation.store.exception.FederationStateStoreInvalidInputException:
>  Missing SubCluster Id information. Please try again by specifying Subcluster 
> Id information.
>         at 
> org.apache.hadoop.yarn.server.federation.store.utils.FederationMembershipStateStoreInputValidator.checkSubClusterId(FederationMembershipStateStoreInputValidator.java:247)
>         at 
> org.apache.hadoop.yarn.server.federation.store.utils.FederationApplicationHomeSubClusterStoreInputValidator.checkApplicationHomeSubCluster(FederationApplicationHomeSubClusterStoreInputValidator.java:160)
>         at 
> org.apache.hadoop.yarn.server.federation.store.utils.FederationApplicationHomeSubClusterStoreInputValidator.validate(FederationApplicationHomeSubClusterStoreInputValidator.java:65)
>         at 
> org.apache.hadoop.yarn.server.federation.store.impl.ZookeeperFederationStateStore.addApplicationHomeSubCluster(ZookeeperFederationStateStore.java:159)
>         at sun.reflect.GeneratedMethodAccessor30.invoke(Unknown Source)
>         at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:498)
>         at 
> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:422)
>         at 
> org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeMethod(RetryInvocationHandler.java:165)
>         at 
> org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invoke(RetryInvocationHandler.java:157)
>         at 
> org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeOnce(RetryInvocationHandler.java:95)
>         at 
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:359)
>         at com.sun.proxy.$Proxy84.addApplicationHomeSubCluster(Unknown Source)
>         at 
> org.apache.hadoop.yarn.server.federation.utils.FederationStateStoreFacade.addApplicationHomeSubCluster(FederationStateStoreFacade.java:402)
>         at 
> org.apache.hadoop.yarn.server.router.clientrm.FederationClientInterceptor.submitApplication(FederationClientInterceptor.java:413)
>         ... 11 more
> {code}
>  



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