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  1. Couchbase Server
  2. MB-49734

[XDCR] panic in backfill manager

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Details

    • Bug
    • Resolution: Fixed
    • Major
    • 7.1.0
    • 7.1.0
    • XDCR
    • 7.1.0-1757

    Description

      Seeing a few instances of the following panic during component test:

      2021-11-22T03:23:25.140-08:00 INFO GOXDCR.GenericSupervisor: PipelineSupervisor_a2407824421b0867c3f645f9b2de4c73/bucket0/bucket0 checkAndLogFilterErrors started
      panic: runtime error: index out of range [0] with length 0
      goroutine 6857007 [running]:
      github.com/couchbase/goxdcr/metadata.(*BackfillReplicationSpec).PrintFirstTaskRange(0xc00f80f000, 0x0, 0x0)
              /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/goxdcr/metadata/backfill_replication.go:199 +0x4bc
      github.com/couchbase/goxdcr/backfill_manager.(*BackfillMgr).backfillReplSpecChangeHandlerCallback(0xc0001da280, 0xc0001d84e0, 0x30, 0xf5ba80, 0xc011ea23c0, 0xf5ba80, 0xc00f80f000, 0xc011ea23c0, 0x0)
              /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/goxdcr/backfill_manager/backfill_manager.go:499 +0xe7
      github.com/couchbase/goxdcr/metadata_svc.(*BackfillReplicationService).updateCacheInternal(0xc0004b41e0, 0xc0001d84e0, 0x30, 0xc00f80f000, 0xc8001, 0x0, 0x0)
              /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/goxdcr/metadata_svc/backfill_repl_service.go:637 +0x17b
      github.com/couchbase/goxdcr/metadata_svc.(*BackfillReplicationService).updateCache(...)
              /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/goxdcr/metadata_svc/backfill_repl_service.go:619
      github.com/couchbase/goxdcr/metadata_svc.(*BackfillReplicationService).SetBackfillReplSpec(0xc0004b41e0, 0xc00f80f000, 0xc016baa770, 0xc00ca87938)
              /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/goxdcr/metadata_svc/backfill_repl_service.go:499 +0x1a5
      github.com/couchbase/goxdcr/backfill_manager.(*BackfillRequestHandler).metaKvOp(0xc007598a00, 0x1, 0x0, 0x0)
              /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/goxdcr/backfill_manager/backfill_request_handler.go:677 +0x58
      github.com/couchbase/goxdcr/backfill_manager.(*BackfillRequestHandler).run(0xc007598a00)
              /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/goxdcr/backfill_manager/backfill_request_handler.go:297 +0x408
      created by github.com/couchbase/goxdcr/backfill_manager.(*BackfillRequestHandler).Start.func1
              /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/goxdcr/backfill_manager/backfill_request_handler.go:163 +0x26c
      

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            pavithra.mahamani Pavithra Mahamani (Inactive)
            pavithra.mahamani Pavithra Mahamani (Inactive)
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