[
https://issues.apache.org/jira/browse/HADOOP-15472?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Suma Shivaprasad resolved HADOOP-15472.
---------------------------------------
Resolution: Invalid
> Fix NPE in DefaultUpgradeComponentsFinder
> ------------------------------------------
>
> Key: HADOOP-15472
> URL: https://issues.apache.org/jira/browse/HADOOP-15472
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Suma Shivaprasad
> Assignee: Suma Shivaprasad
> Priority: Major
>
> In current upgrades for Yarn native services, we do not support
> addition/deletion of compoents during upgrade. On trying to upgrade with the
> same number of components in target spec as the current service spec but with
> the one of the components having a new target spec and name, see the
> following NPE in service AM logs
> {noformat}
> 2018-05-15 00:10:41,489 [IPC Server handler 0 on 37488] ERROR
> service.ClientAMService - Error while trying to upgrade service {}
> java.lang.NullPointerException
> at
> org.apache.hadoop.yarn.service.UpgradeComponentsFinder$DefaultUpgradeComponentsFinder.lambda$findTargetComponentSpecs$0(UpgradeComponentsFinder.java:103)
> at java.util.ArrayList.forEach(ArrayList.java:1257)
> at
> org.apache.hadoop.yarn.service.UpgradeComponentsFinder$DefaultUpgradeComponentsFinder.findTargetComponentSpecs(UpgradeComponentsFinder.java:100)
> at
> org.apache.hadoop.yarn.service.ServiceManager.processUpgradeRequest(ServiceManager.java:259)
> at
> org.apache.hadoop.yarn.service.ClientAMService.upgrade(ClientAMService.java:163)
> at
> org.apache.hadoop.yarn.service.impl.pb.service.ClientAMProtocolPBServiceImpl.upgradeService(ClientAMProtocolPBServiceImpl.java:81)
> at
> org.apache.hadoop.yarn.proto.ClientAMProtocol$ClientAMProtocolService$2.callBlockingMethod(ClientAMProtocol.java:5972)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$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:1682)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2678)
> {noformat}
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
---------------------------------------------------------------------
To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org
For additional commands, e-mail: common-issues-h...@hadoop.apache.org
