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https://issues.apache.org/jira/browse/HDDS-11350?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Krishna Kumar Asawa reassigned HDDS-11350:
------------------------------------------
Assignee: Siddhant Sangwan
> NullPointerException thrown on checking container balancer status
> -----------------------------------------------------------------
>
> Key: HDDS-11350
> URL: https://issues.apache.org/jira/browse/HDDS-11350
> Project: Apache Ozone
> Issue Type: Bug
> Components: Balancer
> Reporter: Jyotirmoy Sinha
> Assignee: Siddhant Sangwan
> Priority: Major
>
> Scenario - Run container balancer when there is no data in the cluster.
> Configs -
> {code:java}
> "hdds.container.balancer.trigger.du.before.move.enable": "true",
> "ozone.scm.container.size": "1GB",
> "hdds.container.balancer.balancing.iteration.interval": "5m",
> "hdds.container.balancer.size.moved.max.per.iteration": "2GB" {code}
> Error stacktrace -
> {code:java}
> # /opt/cloudera/parcels/CDH/bin/ozone admin containerbalancer start -t 1 -d
> 100
> Container Balancer started successfully.
> # /opt/cloudera/parcels/CDH/bin/ozone admin containerbalancer status
> 24/08/21 14:14:30 INFO retry.RetryInvocationHandler:
> com.google.protobuf.ServiceException:
> org.apache.hadoop.ipc.RemoteException(java.lang.NullPointerException):
> java.lang.NullPointerException
> at
> org.apache.hadoop.hdds.scm.container.balancer.ContainerBalancerTask.getCurrentIterationsStatistic(ContainerBalancerTask.java:353)
> at
> org.apache.hadoop.hdds.scm.container.balancer.ContainerBalancer.getBalancerStatusInfo(ContainerBalancer.java:191)
> at
> org.apache.hadoop.hdds.scm.server.SCMClientProtocolServer.getContainerBalancerStatusInfo(SCMClientProtocolServer.java:1213)
> at
> org.apache.hadoop.hdds.scm.protocol.StorageContainerLocationProtocolServerSideTranslatorPB.getContainerBalancerStatusInfo(StorageContainerLocationProtocolServerSideTranslatorPB.java:1210)
> at
> org.apache.hadoop.hdds.scm.protocol.StorageContainerLocationProtocolServerSideTranslatorPB.processRequest(StorageContainerLocationProtocolServerSideTranslatorPB.java:608)
> at
> org.apache.hadoop.hdds.server.OzoneProtocolMessageDispatcher.processRequest(OzoneProtocolMessageDispatcher.java:89)
> at
> org.apache.hadoop.hdds.scm.protocol.StorageContainerLocationProtocolServerSideTranslatorPB.submitRequest(StorageContainerLocationProtocolServerSideTranslatorPB.java:233)
> at
> org.apache.hadoop.hdds.protocol.proto.StorageContainerLocationProtocolProtos$StorageContainerLocationProtocolService$2.callBlockingMethod(StorageContainerLocationProtocolProtos.java)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:533)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1070)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:994)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:922)
> at java.base/java.security.AccessController.doPrivileged(Native Method)
> at java.base/javax.security.auth.Subject.doAs(Subject.java:423)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1899)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2899)
> , while invoking $Proxy20.submitRequest over
> nodeId=node1,nodeAddress=ccycloud-1.quasar-ypdsqw.root.comops.site/10.140.49.132:9860
> after 2 failover attempts. Trying to failover after sleeping for 2000ms.
> 24/08/21 14:14:34 INFO retry.RetryInvocationHandler:
> com.google.protobuf.ServiceException:
> org.apache.hadoop.ipc.RemoteException(java.lang.NullPointerException):
> java.lang.NullPointerException
> at
> org.apache.hadoop.hdds.scm.container.balancer.ContainerBalancerTask.getCurrentIterationsStatistic(ContainerBalancerTask.java:353)
> at
> org.apache.hadoop.hdds.scm.container.balancer.ContainerBalancer.getBalancerStatusInfo(ContainerBalancer.java:191)
> at
> org.apache.hadoop.hdds.scm.server.SCMClientProtocolServer.getContainerBalancerStatusInfo(SCMClientProtocolServer.java:1213)
> at
> org.apache.hadoop.hdds.scm.protocol.StorageContainerLocationProtocolServerSideTranslatorPB.getContainerBalancerStatusInfo(StorageContainerLocationProtocolServerSideTranslatorPB.java:1210)
> at
> org.apache.hadoop.hdds.scm.protocol.StorageContainerLocationProtocolServerSideTranslatorPB.processRequest(StorageContainerLocationProtocolServerSideTranslatorPB.java:608)
> at
> org.apache.hadoop.hdds.server.OzoneProtocolMessageDispatcher.processRequest(OzoneProtocolMessageDispatcher.java:89)
> at
> org.apache.hadoop.hdds.scm.protocol.StorageContainerLocationProtocolServerSideTranslatorPB.submitRequest(StorageContainerLocationProtocolServerSideTranslatorPB.java:233)
> at
> org.apache.hadoop.hdds.protocol.proto.StorageContainerLocationProtocolProtos$StorageContainerLocationProtocolService$2.callBlockingMethod(StorageContainerLocationProtocolProtos.java)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:533)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1070)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:994)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:922)
> at java.base/java.security.AccessController.doPrivileged(Native Method)
> at java.base/javax.security.auth.Subject.doAs(Subject.java:423)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1899)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2899)
> , while invoking $Proxy20.submitRequest over
> nodeId=node1,nodeAddress=ccycloud-1.quasar-ypdsqw.root.comops.site/10.140.49.132:9860
> after 4 failover attempts. Trying to failover after sleeping for 2000ms.
> 24/08/21 14:14:36 INFO retry.RetryInvocationHandler:
> com.google.protobuf.ServiceException:
> org.apache.hadoop.ipc.RemoteException(java.lang.NullPointerException):
> java.lang.NullPointerException {code}
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