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  1. Couchbase Server
  2. MB-39548

[Jepsen] KeyEexists received from DCP Consumer for DCP_COMMIT

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Details

    • Bug
    • Resolution: Duplicate
    • Critical
    • 7.0.0
    • 6.6.0
    • couchbase-bucket
    • Ubuntu 1804
      Couchbase Server 6.6.0-7686-1

    Description

      Couchbase error found due to unexpected status code received for DCP_COMMIT during kv-engine-mad-hatter-jepsen-nightly-530. While running test lein trampoline run test --nodes-file ./nodes --username root --password couchbase --workload=rebalance --scenario=sequential-rebalance-out-in --replicas=2 --no-autofailover --disrupt-count=1 --rate=0 --durability=0:100:0:0 --bucket-type=ephemeral --cas --enable-tcp-capture --hashdump --enable-memcached-debug-log-level --net-interface=eth0

      Error message:

      ./20200523T212123.000-0700/172.23.104.123/cbcollect_info_ns_1@172.23.104.123_20200524-042422/memcached.log:2020-05-23T21:23:05.630665-07:00 ERROR 58: (default) DCP (Producer) eq_dcpq:replication:ns_1@172.23.104.123->ns_1@172.23.106.35:default - DcpProducer::handleResponse disconnecting, received unexpected response:{"bodylen":0,"cas":0,"datatype":"raw","extlen":0,"keylen":0,"magic":"ClientResponse","opaque":130,"opcode":"DCP_COMMIT","status":"Data exists for key"}

      Attachments

        Issue Links

          duplicates

          Bug - A problem which impairs or prevents the functions of the product. MB-37009 DcpProducer::handleResponse() doesn't handle all valid error codes for Prepare, Commit and abort

          • Major - Major loss of function.
          • Closed
          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. MB-39547 [Jepsen] KeyEexists received from DCP Consumer for DCP_PREPARE

          • Major - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. MB-40053 [BucketDurability]: KeyEexists received from DCP Consumer for DCP_COMMIT

          • Major - Major loss of function.
          • Closed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. MB-39692 [Collections] Memcached crashes seen during rebalance-in op + durability data load

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed

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              owend Daniel Owen
              richard.demellow Richard deMellow
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              Dates

                Created:
                Updated:
                Resolved:

                PagerDuty