[GitHub] wohali opened a new issue #649: couch_mrview_changes_since_tests gen_server failing with unknown_info

[gi...@git.apache.org]

wohali opened a new issue #649: couch_mrview_changes_since_tests gen_server failing with unknown_info
URL: https://github.com/apache/couchdb/issues/649
 
 
   Possible recurrence of the #548 issue:
   
   https://builds.apache.org/blue/organizations/jenkins/CouchDB/detail/master/57/pipeline/50
   
   ```
   module 'couch_mrview_changes_since_tests'
     changes_since tests
       couch_mrview_changes_since_tests:109: test_basic...ok
       couch_mrview_changes_since_tests:132: test_basic_since...ok
       couch_mrview_changes_since_tests:145: test_basic_count...ok
       couch_mrview_changes_since_tests:154: test_basic_count_since...ok
       undefined
       *** instantiation of subtests failed ***
   **in function gen_server:call/3 (gen_server.erl, line 212)
   in call from couch_mrview_util:get_view_index_state/5 (src/couch_mrview_util.erl, line 83)
   in call from couch_mrview_util:get_view/4 (src/couch_mrview_util.erl, line 45)
   in call from couch_mrview:count_view_changes_since/5 (src/couch_mrview.erl, line 304)
   in call from couch_mrview_changes_since_tests:test_compact/1 (test/couch_mrview_changes_since_tests.erl, line 163)
   **exit:{unknown_info,{gen_server,call,[<0.22793.1>,{get_state,11},infinity]}}
   ```
   
   Searching on `<0.22793.1>` in the couch.log turned up:
   ```
   [info] 2017-07-06T04:37:28.456116Z nonode@nohost <0.22793.1> -------- Opening index for db: eunit-test-db-1499315848442098 idx: _design/bar sig: "7d577d5ace56a11c2e7289f38c77f383"
   [info] 2017-07-06T04:37:28.456384Z nonode@nohost <0.22798.1> -------- Compaction started for db: eunit-test-db-1499315848442098 idx: _design/bar
   [info] 2017-07-06T04:37:28.456583Z nonode@nohost <0.22796.1> -------- Starting index update for db: eunit-test-db-1499315848442098 idx: _design/bar
   [notice] 2017-07-06T04:37:28.461342Z nonode@nohost <0.22793.1> -------- Compaction swap for view /tmp/tmp.VHCxH73tOc/apache-couchdb-2.1.0-858088e/tmp/data/.eunit-test-db-1499315848442098_design/mrview/7d577d5ace56a11c2e7289f38c77f383.view 51 4200
   [info] 2017-07-06T04:37:28.461710Z nonode@nohost <0.22796.1> -------- Restarting index update for db: eunit-test-db-1499315848442098 idx: _design/bar
   [info] 2017-07-06T04:37:28.461894Z nonode@nohost <0.22798.1> -------- Compaction finished for db: eunit-test-db-1499315848442098 idx: _design/bar
   [error] 2017-07-06T04:37:28.462242Z nonode@nohost <0.22796.1> -------- gen_server <0.22796.1> terminated with reason: unknown_info
     last msg: {'EXIT',<0.22799.1>,{updated,<0.22799.1>,{mrst,<<125,87,125,90,206,86,161,28,46,114,137,243,140,119,243,131>>,<0.22795.1>,#Ref<0.0.786433.256464>,<<"eunit-test-db-1499315848442098">>,<<"_design/bar">>,<<"javascript">>,[{<<"seq_indexed">>,true}],true,false,{[]},[{mrview,0,11,0,[<<"baz">>],[],<<"function(doc) {emit(doc.val.toString(), doc.val);}">>,{btree,<0.22795.1>,{363,{10,[]},139},undefined,undefined,#Fun<couch_ejson_compare.less_json_ids.2>,#Fun<couch_mrview_util.17.88980446>,snappy},{btree,<0.22795.1>,{502,10,376},undefined,undefined,undefined,#Fun<couch_db_updater.btree_by_seq_reduce.2>,snappy},nil,true,false,[]}],{btree,<0.22795.1>,{51,[],135},undefined,undefined,undefined,nil,snappy},{btree,<0.22795.1>,{186,[],177},undefined,undefined,undefined,nil,snappy},11,0,undefined,undefined,undefined,undefined,undefined,nil}}}
        state: {st,<0.22793.1>,couch_mrview_index,<0.22807.1>}
   [error] 2017-07-06T04:37:28.462545Z nonode@nohost <0.22796.1> -------- CRASH REPORT Process  (<0.22796.1>) with 2 neighbors exited with reason: unknown_info at gen_server:terminate/7(line:826) <= proc_lib:init_p_do_apply/3(line:240); initial_call: {couch_index_updater,init,['Argument__1']}, ancestors: [<0.22793.1>,<0.22792.1>], messages: [], links: [<0.22793.1>], dictionary: [], trap_exit: true, status: running, heap_size: 1598, stack_size: 27, reductions: 1734
   [error] 2017-07-06T04:37:28.462718Z nonode@nohost <0.22797.1> -------- gen_server <0.22797.1> terminated with reason: unknown_info
     last msg: {'EXIT',<0.22793.1>,unknown_info}
        state: {st,<0.22793.1>,couch_mrview_index,<0.22798.1>}
   [error] 2017-07-06T04:37:28.463037Z nonode@nohost <0.22797.1> -------- CRASH REPORT Process  (<0.22797.1>) with 0 neighbors exited with reason: unknown_info at gen_server:terminate/7(line:826) <= proc_lib:init_p_do_apply/3(line:240); initial_call: {couch_index_compactor,init,['Argument__1']}, ancestors: [<0.22793.1>,<0.22792.1>], messages: [], links: [], dictionary: [], trap_exit: true, status: running, heap_size: 376, stack_size: 27, reductions: 158
   ```
   
   @eiri This feels a lot like what we ran into previously.
   
   /cc @kocolosk @janl @davisp 
 
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