ykisana commented on issue #20435:
URL: https://github.com/apache/druid/issues/20435#issuecomment-6092209760

   @rishi-rana I think this fixes the test. But I believe there may be an 
underlying bug here.
   
   The Overlord's HttpRemoteTaskRunner.streamTaskLog passes the worker's 
response through without checking the HTTP status. A 404, which happens once 
the worker has dropped a finished task, becomes a present-but-empty log stream. 
   
   SwitchingTaskLogStreamer then never falls back to deep storage, where the 
log actually is.
   
   
https://github.com/apache/druid/blob/98bbcb4c7f78/indexing-service/src/main/java/org/apache/druid/indexing/overlord/hrtr/HttpRemoteTaskRunner.java#L936-L940


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