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From Alexander Shorin <kxe...@gmail.com>
Subject Re: CouchDB 1.5 throwing exceptions pulling attachments from Couchbase Sync Gateway
Date Tue, 22 Apr 2014 17:28:47 GMT
  Hi Jens,

Any chance to get these files / see actual request to reproduce the issue?
Does it happens for couchdb-to-couchdb replication?

,,,^..^,,,
On 22 Apr 2014 21:24, "Jens Alfke" <jens@couchbase.com> wrote:

> A developer is reporting that a CouchDB pull replication, with source the
> Couchbase Sync Gateway, is failing with Erlang exceptions. The cause
> appears to be a MIME multipart response from a GET of a document with
> attachments — he says “the response of SG GET
> /nam/image-97m333b8iah?revs=true&open_revs=%5B%229-9f060576f801f3c9cea5c90013c6d182%22%5D&latest=true
> properly returns a multipart document, but it seems CouchDB 1.5 is unable
> to parse the data.”
>
> I don’t think this is the known-and-recently-fixed issue with CouchDB and
> chunked encoding. Replicating attachments to CouchDB has been working for a
> while, and the developer reports "the documents only containing 2 images
> did replicate from SG to CouchDB 1.5.” It may be that the exact length or
> contents of this document are triggering some kind of edge case in CouchDB.
>
> Anyway, I can’t make head or tail of the Erlang crash logs; could someone
> skilled in the art provide some insight into what happened to CouchDB?
> Thanks!
>
> —Jens
>
> > Using CouchDB 1.3 the pull replication fails completely. Erlang throws
> some errors and completely restarts.
> >
> > Using CouchDB 1.5 the pull replication does not fail, but is never
> completed. It seems CouchDB is unable to parse the multipart response.
> > CouchDB 1.5 logs:
> >
> > [Tue, 22 Apr 2014 13:40:42 GMT] [error] [<0.17159.1>] Replication
> crashing because GET
> http://192.168.1.2:4985/nam/image-97m333b8iah?revs=true&open_revs=%5B%229-9f060576f801f3c9cea5c90013c6d182%22%5D&latest=truefailed
> > [Tue, 22 Apr 2014 13:40:42 GMT] [error] [<0.17142.1>] ** Generic server
> <0.17142.1> terminating
> > ** Last message in was {'EXIT',<0.17159.1>,kaboom}
> > ** When Server state == {state,<0.17123.1>,<0.17143.1>,20,
> >                             {httpdb,"http://192.168.1.2:4985/nam/",nil,
> >                                 [{"Accept","application/json"},
> >                                  {"User-Agent","CouchDB/1.5.0"}],
> >                                 30000,
> >                                 [{socket_options,
> >
>  [{keepalive,true},{nodelay,false}]}],
> >                                 10,250,<0.17124.1>,20},
> >                             {db,<0.17131.1>,<0.17132.1>,nil,
> >                                 <<"1398170695581111">>,<0.17133.1>,
> >                                 <0.17129.1>,<0.17135.1>,
> >                                 {db_header,6,9,0,
> >                                     {2230287,{3,6,2227482},1191},
> >                                     {2228708,9,508},
> >                                     {2232424,[],807},
> >                                     0,nil,nil,1000},
> >                                 9,
> >                                 {btree,<0.17129.1>,
> >                                     {2230287,{3,6,2227482},1191},
> >                                     #Fun<couch_db_updater.10.75275056>,
> >                                     #Fun<couch_db_updater.11.75275056>,
> >                                     #Fun<couch_btree.5.71351651>,
> >
> #Fun<couch_db_updater.12.75275056>,snappy},
> >                                 {btree,<0.17129.1>,
> >                                     {2228708,9,508},
> >                                     #Fun<couch_db_updater.13.75275056>,
> >                                     #Fun<couch_db_updater.14.75275056>,
> >                                     #Fun<couch_btree.5.71351651>,
> >
> #Fun<couch_db_updater.15.75275056>,snappy},
> >                                 {btree,<0.17129.1>,
> >                                     {2232424,[],807},
> >                                     #Fun<couch_btree.3.71351651>,
> >                                     #Fun<couch_btree.4.71351651>,
> >
> #Fun<couch_btree.5.71351651>,nil,snappy},
> >                                 9,<<"snagtracker-140417-tenpost">>,
> >
> "/usr/local/var/lib/couchdb/snagtracker-140417-tenpost.couch",
> >                                 [],[],nil,
> >                                 {user_ctx,null,[],undefined},
> >                                 nil,1000,
> >
> [before_header,after_header,on_file_open],
> >
> [{user_ctx,{user_ctx,null,[],undefined}}],
> >                                 snappy,nil,nil},
> >                             [<0.17159.1>],
> >                             nil,nil,
> >                             {<0.17143.1>,#Ref<0.0.2.127076>},
> >                             {rep_stats,1,1,0,0,0},
> >                             nil,<0.17144.1>,
> >                             {batch,[],0}}
> > ** Reason for termination ==
> > ** {process_died,<0.17159.1>,kaboom}
> >
> > [Tue, 22 Apr 2014 13:40:42 GMT] [error] [<0.17142.1>]
> {error_report,<0.17006.1>,
> >                        {<0.17142.1>,crash_report,
> >                         [[{initial_call,
> >
>  {couch_replicator_worker,init,['Argument__1']}},
> >                           {pid,<0.17142.1>},
> >                           {registered_name,[]},
> >                           {error_info,
> >                            {exit,
> >                             {process_died,<0.17159.1>,kaboom},
> >                             [{gen_server,terminate,6,
> >                               [{file,"gen_server.erl"},{line,744}]},
> >                              {proc_lib,init_p_do_apply,3,
> >                               [{file,"proc_lib.erl"},{line,239}]}]}},
> >                           {ancestors,
> >                            [<0.17123.1>,couch_replicator_job_sup,
> >                             couch_primary_services,couch_server_sup,
> >                             <0.17007.1>]},
> >                           {messages,[{'EXIT',<0.17144.1>,normal}]},
> >                           {links,[<0.17143.1>,<0.17123.1>]},
> >                           {dictionary,
> >                            [{last_stats_report,{1398,170695,606206}}]},
> >                           {trap_exit,true},
> >                           {status,running},
> >                           {heap_size,1598},
> >                           {stack_size,27},
> >                           {reductions,305}],
> >                          [{neighbour,
> >                            [{pid,<0.17143.1>},
> >                             {registered_name,[]},
> >                             {initial_call,{erlang,apply,2}},
> >                             {current_function,{gen,do_call,4}},
> >                             {ancestors,[]},
> >                             {messages,[]},
> >                             {links,[<0.17142.1>]},
> >                             {dictionary,[]},
> >                             {trap_exit,false},
> >                             {status,waiting},
> >                             {heap_size,1598},
> >                             {stack_size,22},
> >                             {reductions,249}]}]]}}
>

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