jojochuang commented on PR #5793:
URL: https://github.com/apache/ozone/pull/5793#issuecomment-1960650283

   I'm getting this exception which loosk related to this PR
   
   > 2024-02-22 22:33:39,568 WARN [IPC Server handler 22 on 
9891]-org.apache.hadoop.ipc.Server: IPC Server handler 22 on 9891, call Call#36 
Retry#0 org.apache.hadoop.ozone.protocol.ReconDatanodeProtocol.submitRequest 
from 10.140.112.130:34368
   > java.lang.UnsupportedOperationException
   >         at 
java.util.Collections$UnmodifiableCollection.addAll(Collections.java:1067)
   >         at 
org.apache.hadoop.hdds.scm.server.SCMDatanodeHeartbeatDispatcher$IncrementalContainerReportFromDatanode.mergeReport(SCMDatanodeHeartbeatDispatcher.java:384)
   >         at 
org.apache.hadoop.ozone.recon.scm.ReconContainerReportQueue.mergeIcr(ReconContainerReportQueue.java:41)
   >         at 
org.apache.hadoop.hdds.scm.server.ContainerReportQueue.addIncrementalReport(ContainerReportQueue.java:115)
   >         at 
org.apache.hadoop.hdds.scm.server.ContainerReportQueue.addValue(ContainerReportQueue.java:173)
   >         at 
org.apache.hadoop.hdds.scm.server.ContainerReportQueue.add(ContainerReportQueue.java:187)
   >         at 
org.apache.hadoop.hdds.scm.server.ContainerReportQueue.add(ContainerReportQueue.java:42)
   >         at 
org.apache.hadoop.hdds.server.events.FixedThreadPoolWithAffinityExecutor.onMessage(FixedThreadPoolWithAffinityExecutor.java:178)
   >         at 
org.apache.hadoop.hdds.server.events.EventQueue.fireEvent(EventQueue.java:220)
   >         at 
org.apache.hadoop.hdds.scm.server.SCMDatanodeHeartbeatDispatcher.dispatch(SCMDatanodeHeartbeatDispatcher.java:159)
   >         at 
org.apache.hadoop.hdds.scm.server.SCMDatanodeProtocolServer.sendHeartbeat(SCMDatanodeProtocolServer.java:282)
   >         at 
org.apache.hadoop.ozone.protocolPB.StorageContainerDatanodeProtocolServerSideTranslatorPB.processMessage(StorageContainerDatanodeProtocolServerSideTranslatorPB.java:113)
   >         at 
org.apache.hadoop.hdds.server.OzoneProtocolMessageDispatcher.processRequest(OzoneProtocolMessageDispatcher.java:89)
   >         at 
org.apache.hadoop.ozone.protocolPB.StorageContainerDatanodeProtocolServerSideTranslatorPB.submitRequest(StorageContainerDatanodeProtocolServerSideTranslatorPB.java:92)
   >         at 
org.apache.hadoop.hdds.protocol.proto.StorageContainerDatanodeProtocolProtos$StorageContainerDatanodeProtocolService$2.callBlockingMethod(StorageContainerDatanodeProtocolProtos.java:45283)
   >         at 
org.apache.hadoop.ipc.ProtobufRpcEngine$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.security.AccessController.doPrivileged(Native Method)
   >         at javax.security.auth.Subject.doAs(Subject.java:422)
   >         at 
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1899)
   >         at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2899)


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