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Posted to issues@ozone.apache.org by GitBox <gi...@apache.org> on 2020/11/19 20:03:14 UTC

[GitHub] [ozone] smengcl commented on pull request #1601: HDDS-4404. Datanode can go OOM when a Recon or SCM Server is very slow in processing reports

smengcl commented on pull request #1601:
URL: https://github.com/apache/ozone/pull/1601#issuecomment-730605471


   UT `TestStateContext#testReportAPIs` is not happy with my change in `StateContext#addReport`:
   https://github.com/apache/ozone/blob/a4f7e32b438a1ac74e23f70be3b24aac9a61e00c/hadoop-hdds/container-service/src/test/java/org/apache/hadoop/ozone/container/common/statemachine/TestStateContext.java#L68
   
   Mocked object `GeneratedMessage report` is fed to `addReport()`, so `report.getDescriptorForType()` returns `null`. As a result `report.getDescriptorForType().getFullName()` throws NPE in the UT.


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