Major Description
While doing some testing I hit this failure
[ns_server:debug,2024-03-19T15:40:10.349-07:00,n_0@127.0.0.1:chronicle_kv_log<0.485.0>:chronicle_kv_log:handle_info:42]delete (key: {bucket,"stevew",collections}, rev: {<<"8f51406d50ca4889347c31c15f0bdb60">>,
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13293})
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[ns_server:debug,2024-03-19T15:40:10.349-07:00,n_0@127.0.0.1:<0.236849.0>:ns_server_stats:maybe_delete_stat:426]Deleting <<"memcached_e2e_call_time">> for "stevew" from ets table
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[ns_server:error,2024-03-19T15:40:10.349-07:00,n_0@127.0.0.1:<0.288410.0>:menelaus_util:reply_server_error_before_close:223]Server error during processing: ["web request failed",
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{path,"/pools/default/buckets"},
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{method,'GET'},
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{type,error},
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{what,{badmatch,not_present}},
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{trace,
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[{menelaus_web_buckets,
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'-add_couch_api_base/5-fun-0-',5,
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[{file,
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"/Users/steve.watanabe/morpheus/ns_server/apps/ns_server/src/menelaus_web_buckets.erl"},
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{line,145}]},
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{lists,foldl,3,
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[{file,"lists.erl"},{line,1594}]},
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{menelaus_web_buckets,
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add_couch_api_base_loop,8,
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[{file,
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"/Users/steve.watanabe/morpheus/ns_server/apps/ns_server/src/menelaus_web_buckets.erl"},
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{line,124}]},
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{menelaus_web_buckets,build_bucket_info,4,
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[{file,
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"/Users/steve.watanabe/morpheus/ns_server/apps/ns_server/src/menelaus_web_buckets.erl"},
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{line,257}]},
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{menelaus_web_buckets,
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'-build_buckets_info/4-lc$^0/1-0-',4,
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[{file,
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"/Users/steve.watanabe/morpheus/ns_server/apps/ns_server/src/menelaus_web_buckets.erl"},
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{line,240}]},
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{menelaus_web_buckets,
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'-build_buckets_info/4-lc$^0/1-0-',4,
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[{file,
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"/Users/steve.watanabe/morpheus/ns_server/apps/ns_server/src/menelaus_web_buckets.erl"},
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{line,241}]},
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{menelaus_web_buckets,handle_bucket_list,
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1,
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[{file,
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"/Users/steve.watanabe/morpheus/ns_server/apps/ns_server/src/menelaus_web_buckets.erl"},
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{line,92}]}, {request_tracker,request,2,
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[{file,
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"/Users/steve.watanabe/morpheus/ns_server/apps/ns_server/src/request_tracker.erl"},
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{line,40}]}]}]
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The cause is a race when getting info for a bucket while it is being deleted. This code should not call ns_bucket:get_bucket()
add_couch_api_base(BucketName, BucketUUID, KV, Node, LocalAddr) ->
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%% Must completely remove these, as they are used as a signal to the SDK's
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%% regarding whether or not we support views on this couchbase cluster.
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NodesKeysList = ?COUCHDB_ENABLED([{Node, couchApiBase},
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{{ssl, Node}, couchApiBaseHTTPS}], []),
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lists:foldl(fun({N, Key}, KVAcc) ->
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case capi_utils:capi_bucket_url_bin(N, BucketName,
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BucketUUID, LocalAddr) of
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undefined ->
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KVAcc;
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Url ->
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{ok, BCfg} = ns_bucket:get_bucket(BucketName),
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case ns_bucket:bucket_type(BCfg) of
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