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https://issues.apache.org/jira/browse/HDDS-10782?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18009524#comment-18009524
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Anastasia Kostryukova commented on HDDS-10782:
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[~adoroszlai], could you tell how you got the exception:
{noformat}
ERROR events.EventQueue: Error serializing payload: Direct self-reference
leading to cycle (through reference chain:
org.apache.hadoop.hdds.scm.server.SCMDatanodeHeartbeatDispatcher$PipelineReportFromDatanode["report"]->org.apache.hadoop.hdds.protocol.proto.StorageContainerDatanodeProtocolProtos$PipelineReportsProto["unknownFields"]->com.google.protobuf.UnknownFieldSet["defaultInstanceForType"]){noformat}
Have you executed `ozone insight logs -v scm.event-queue` for this? I've seen
a PR discussion and tried that command but it seems like it doesn't work,
there is no result at all.
The steps I've done on my branch:
1. Started an ozone cluster on docker;
2. Created files using freon;
3. Executed the command ozone insight logs -v scm.event-queue
> Replace GSON with Jackson in EventQueue
> ---------------------------------------
>
> Key: HDDS-10782
> URL: https://issues.apache.org/jira/browse/HDDS-10782
> Project: Apache Ozone
> Issue Type: Sub-task
> Reporter: Attila Doroszlai
> Assignee: Anastasia Kostryukova
> Priority: Minor
> Labels: pull-request-available
>
> Replace GSON with Jackson in EventQueue, which converts protobuf messages to
> JSON when trace level logging is enabled.
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