wohali opened a new issue #1357: error: function_clause, couch_btree:lookup URL: https://github.com/apache/couchdb/issues/1357 Under heavy load and insufficient CPU, a 3-node cluster produced a large number of function_clause errors. This is one of these errors. Error is as follows - many of these arrived at the same time: ``` [error] 2018-05-28T09:54:26.195000Z couchdb@### <0.22708.626> -------- rpc couch_db:open_doc/3 function_clause [{couch_btree,lookup,[undefined,[<<"_design/Users">>]],[{file,"src/couch_btree.erl"},{line,269}]},{couch_db,get_full_doc_info,2,[{file,"src/couch_db.erl"},{line,286}]},{couch_db,open_doc_int,3,[{file,"src/couch_db.erl"},{line,1370}]},{couch_db,open_doc,3,[{file,"src/couch_db.erl"},{line,189}]},{fabric_rpc,with_db,3,[{file,"src/fabric_rpc.erl"},{line,284}]},{rexi_server,init_p,3,[{file,"src/rexi_server.erl"},{line,139}]}] [error] 2018-05-28T09:54:26.195000Z couchdb@### <0.29995.637> -------- rpc couch_db:open_doc/3 function_clause [{couch_btree,lookup,[undefined,[<<"_design/Users">>]],[{file,"src/couch_btree.erl"},{line,269}]},{couch_db,get_full_doc_info,2,[{file,"src/couch_db.erl"},{line,286}]},{couch_db,open_doc_int,3,[{file,"src/couch_db.erl"},{line,1370}]},{couch_db,open_doc,3,[{file,"src/couch_db.erl"},{line,189}]},{fabric_rpc,with_db,3,[{file,"src/fabric_rpc.erl"},{line,284}]},{rexi_server,init_p,3,[{file,"src/rexi_server.erl"},{line,139}]}] [error] 2018-05-28T09:54:26.195000Z couchdb@### <0.9589.623> -------- rpc couch_db:open_doc/3 function_clause [{couch_btree,lookup,[undefined,[<<"_design/Users">>]],[{file,"src/couch_btree.erl"},{line,269}]},{couch_db,get_full_doc_info,2,[{file,"src/couch_db.erl"},{line,286}]},{couch_db,open_doc_int,3,[{file,"src/couch_db.erl"},{line,1370}]},{couch_db,open_doc,3,[{file,"src/couch_db.erl"},{line,189}]},{fabric_rpc,with_db,3,[{file,"src/fabric_rpc.erl"},{line,284}]},{rexi_server,init_p,3,[{file,"src/rexi_server.erl"},{line,139}]}] [error] 2018-05-28T09:54:26.195000Z couchdb@### <0.22686.648> -------- rpc couch_db:open_doc/3 function_clause [{couch_btree,lookup,[undefined,[<<"_design/Users">>]],[{file,"src/couch_btree.erl"},{line,269}]},{couch_db,get_full_doc_info,2,[{file,"src/couch_db.erl"},{line,286}]},{couch_db,open_doc_int,3,[{file,"src/couch_db.erl"},{line,1370}]},{couch_db,open_doc,3,[{file,"src/couch_db.erl"},{line,189}]},{fabric_rpc,with_db,3,[{file,"src/fabric_rpc.erl"},{line,284}]},{rexi_server,init_p,3,[{file,"src/rexi_server.erl"},{line,139}]}] [error] 2018-05-28T09:54:26.195000Z couchdb@### <0.14562.635> -------- rpc couch_db:open_doc/3 function_clause [{couch_btree,lookup,[undefined,[<<"_design/Users">>]],[{file,"src/couch_btree.erl"},{line,269}]},{couch_db,get_full_doc_info,2,[{file,"src/couch_db.erl"},{line,286}]},{couch_db,open_doc_int,3,[{file,"src/couch_db.erl"},{line,1370}]},{couch_db,open_doc,3,[{file,"src/couch_db.erl"},{line,189}]},{fabric_rpc,with_db,3,[{file,"src/fabric_rpc.erl"},{line,284}]},{rexi_server,init_p,3,[{file,"src/rexi_server.erl"},{line,139}]}] [error] 2018-05-28T09:54:26.195000Z couchdb@### <0.25288.646> -------- rpc couch_db:open_doc/3 function_clause [{couch_btree,lookup,[undefined,[<<"_design/Users">>]],[{file,"src/couch_btree.erl"},{line,269}]},{couch_db,get_full_doc_info,2,[{file,"src/couch_db.erl"},{line,286}]},{couch_db,open_doc_int,3,[{file,"src/couch_db.erl"},{line,1370}]},{couch_db,open_doc,3,[{file,"src/couch_db.erl"},{line,189}]},{fabric_rpc,with_db,3,[{file,"src/fabric_rpc.erl"},{line,284}]},{rexi_server,init_p,3,[{file,"src/rexi_server.erl"},{line,139}]}] [error] 2018-05-28T09:54:26.195000Z couchdb@### <0.7383.642> -------- rpc couch_db:open_doc/3 function_clause [{couch_btree,lookup,[undefined,[<<"_design/Users">>]],[{file,"src/couch_btree.erl"},{line,269}]},{couch_db,get_full_doc_info,2,[{file,"src/couch_db.erl"},{line,286}]},{couch_db,open_doc_int,3,[{file,"src/couch_db.erl"},{line,1370}]},{couch_db,open_doc,3,[{file,"src/couch_db.erl"},{line,189}]},{fabric_rpc,with_db,3,[{file,"src/fabric_rpc.erl"},{line,284}]},{rexi_server,init_p,3,[{file,"src/rexi_server.erl"},{line,139}]}] [error] 2018-05-28T09:54:26.195000Z couchdb@### <0.20866.624> -------- rpc couch_db:open_doc/3 function_clause [{couch_btree,lookup,[undefined,[<<"_design/Users">>]],[{file,"src/couch_btree.erl"},{line,269}]},{couch_db,get_full_doc_info,2,[{file,"src/couch_db.erl"},{line,286}]},{couch_db,open_doc_int,3,[{file,"src/couch_db.erl"},{line,1370}]},{couch_db,open_doc,3,[{file,"src/couch_db.erl"},{line,189}]},{fabric_rpc,with_db,3,[{file,"src/fabric_rpc.erl"},{line,284}]},{rexi_server,init_p,3,[{file,"src/rexi_server.erl"},{line,139}]}] [error] 2018-05-28T09:54:26.195000Z couchdb@### <0.21183.609> -------- rpc couch_db:open_doc/3 function_clause [{couch_btree,lookup,[undefined,[<<"_design/Users">>]],[{file,"src/couch_btree.erl"},{line,269}]},{couch_db,get_full_doc_info,2,[{file,"src/couch_db.erl"},{line,286}]},{couch_db,open_doc_int,3,[{file,"src/couch_db.erl"},{line,1370}]},{couch_db,open_doc,3,[{file,"src/couch_db.erl"},{line,189}]},{fabric_rpc,with_db,3,[{file,"src/fabric_rpc.erl"},{line,284}]},{rexi_server,init_p,3,[{file,"src/rexi_server.erl"},{line,139}]}] [error] 2018-05-28T09:54:26.195000Z couchdb@### <0.29365.646> -------- rpc couch_db:open_doc/3 function_clause [{couch_btree,lookup,[undefined,[<<"_design/Users">>]],[{file,"src/couch_btree.erl"},{line,269}]},{couch_db,get_full_doc_info,2,[{file,"src/couch_db.erl"},{line,286}]},{couch_db,open_doc_int,3,[{file,"src/couch_db.erl"},{line,1370}]},{couch_db,open_doc,3,[{file,"src/couch_db.erl"},{line,189}]},{fabric_rpc,with_db,3,[{file,"src/fabric_rpc.erl"},{line,284}]},{rexi_server,init_p,3,[{file,"src/rexi_server.erl"},{line,139}]}] [error] 2018-05-28T09:54:26.195000Z couchdb@### <0.4335.647> -------- rpc couch_db:open_doc/3 function_clause [{couch_btree,lookup,[undefined,[<<"_design/Users">>]],[{file,"src/couch_btree.erl"},{line,269}]},{couch_db,get_full_doc_info,2,[{file,"src/couch_db.erl"},{line,286}]},{couch_db,open_doc_int,3,[{file,"src/couch_db.erl"},{line,1370}]},{couch_db,open_doc,3,[{file,"src/couch_db.erl"},{line,189}]},{fabric_rpc,with_db,3,[{file,"src/fabric_rpc.erl"},{line,284}]},{rexi_server,init_p,3,[{file,"src/rexi_server.erl"},{line,139}]}] [error] 2018-05-28T09:54:26.195000Z couchdb@### <0.25925.603> -------- rpc couch_db:open_doc/3 function_clause [{couch_btree,lookup,[undefined,[<<"_design/Users">>]],[{file,"src/couch_btree.erl"},{line,269}]},{couch_db,get_full_doc_info,2,[{file,"src/couch_db.erl"},{line,286}]},{couch_db,open_doc_int,3,[{file,"src/couch_db.erl"},{line,1370}]},{couch_db,open_doc,3,[{file,"src/couch_db.erl"},{line,189}]},{fabric_rpc,with_db,3,[{file,"src/fabric_rpc.erl"},{line,284}]},{rexi_server,init_p,3,[{file,"src/rexi_server.erl"},{line,139}]}] [error] 2018-05-28T09:54:26.195000Z couchdb@### <0.25293.647> -------- rpc couch_db:open_doc/3 function_clause [{couch_btree,lookup,[undefined,[<<"_design/Users">>]],[{file,"src/couch_btree.erl"},{line,269}]},{couch_db,get_full_doc_info,2,[{file,"src/couch_db.erl"},{line,286}]},{couch_db,open_doc_int,3,[{file,"src/couch_db.erl"},{line,1370}]},{couch_db,open_doc,3,[{file,"src/couch_db.erl"},{line,189}]},{fabric_rpc,with_db,3,[{file,"src/fabric_rpc.erl"},{line,284}]},{rexi_server,init_p,3,[{file,"src/rexi_server.erl"},{line,139}]}] [error] 2018-05-28T09:54:26.195000Z couchdb@### <0.24641.606> -------- rpc couch_db:open_doc/3 function_clause [{couch_btree,lookup,[undefined,[<<"_design/Users">>]],[{file,"src/couch_btree.erl"},{line,269}]},{couch_db,get_full_doc_info,2,[{file,"src/couch_db.erl"},{line,286}]},{couch_db,open_doc_int,3,[{file,"src/couch_db.erl"},{line,1370}]},{couch_db,open_doc,3,[{file,"src/couch_db.erl"},{line,189}]},{fabric_rpc,with_db,3,[{file,"src/fabric_rpc.erl"},{line,284}]},{rexi_server,init_p,3,[{file,"src/rexi_server.erl"},{line,139}]}] [error] 2018-05-28T09:54:26.195000Z couchdb@### <0.16502.644> -------- rpc couch_db:open_doc/3 function_clause [{couch_btree,lookup,[undefined,[<<"_design/Users">>]],[{file,"src/couch_btree.erl"},{line,269}]},{couch_db,get_full_doc_info,2,[{file,"src/couch_db.erl"},{line,286}]},{couch_db,open_doc_int,3,[{file,"src/couch_db.erl"},{line,1370}]},{couch_db,open_doc,3,[{file,"src/couch_db.erl"},{line,189}]},{fabric_rpc,with_db,3,[{file,"src/fabric_rpc.erl"},{line,284}]},{rexi_server,init_p,3,[{file,"src/rexi_server.erl"},{line,139}]}] [error] 2018-05-28T09:54:26.195000Z couchdb@### <0.25261.648> -------- rpc couch_db:open_doc/3 function_clause [{couch_btree,lookup,[undefined,[<<"_design/Users">>]],[{file,"src/couch_btree.erl"},{line,269}]},{couch_db,get_full_doc_info,2,[{file,"src/couch_db.erl"},{line,286}]},{couch_db,open_doc_int,3,[{file,"src/couch_db.erl"},{line,1370}]},{couch_db,open_doc,3,[{file,"src/couch_db.erl"},{line,189}]},{fabric_rpc,with_db,3,[{file,"src/fabric_rpc.erl"},{line,284}]},{rexi_server,init_p,3,[{file,"src/rexi_server.erl"},{line,139}]}] ``` CouchDB 2.1.1
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