Crashing after connection #43

DrPandemic · 2017-04-10T22:00:53Z

I'm using

erlangpl 0.6
linux
OTP release19
ERTS version8.2.2

I'm currently developing an elixir toy project (https://github.com/DrPandemic/MasDB). When I connect erlanpl to my cluster with ./erlangpl -n foo@127.0.0.1 it generates some errors.

In overview memory usage, processes and throughput are indefinitely loading. Same thing for the sup-tree page. The traffic page seems to be working correctly.

I don't know if the problem is from my project. If it's the case, do you know how I could fix it?

This tools looks amazing!

Those are the errors

ERROR: timed out while collecting data from node

=ERROR REPORT==== 10-Apr-2017::17:47:57 ===
** Generic server epl_st terminating 
** Last message in was {data,
                        {'foo@127.0.0.1',{1491,860872,638202}},
                        [{process_count,110},
                         {memory_total,28066008},
                         {spawn,
                          [{<6880.842.0>,
                            {proc_lib,init_p,
                             ['Elixir.Masdb.Node.DistantSupervisor',
                              [<6880.177.0>,<6880.176.0>],
                              'Elixir.Task.Supervised',reply,
                              [<8002.191.0>,monitor,
                               {'baz@127.0.0.1','Elixir.Masdb.Gossip.Server'},
                               {'Elixir.Masdb.Gossip.Server',received_gossip,
                                [#{'__struct__' => 'Elixir.Masdb.Register',
                                   schemas => [],
                                   stores => [],
                                   synced => true,
                                   tables => []}]}]]},
                            {1491,860868,806979}},
                           {<6880.843.0>,
                            {proc_lib,init_p,
                             ['Elixir.Masdb.Node.DistantSupervisor',
                              [<6880.177.0>,<6880.176.0>],
                              'Elixir.Task.Supervised',reply,
                              [<8003.191.0>,monitor,
                               {'bar@127.0.0.1','Elixir.Masdb.Gossip.Server'},
                               {'Elixir.Masdb.Gossip.Server',received_gossip,
                                [#{'__struct__' => 'Elixir.Masdb.Register',
                                   schemas => [],
                                   stores => [],
                                   synced => true,
                                   tables => []}]}]]},
                            {1491,860868,822536}},
                           {<6880.844.0>,
                            {proc_lib,init_p,
                             ['Elixir.Masdb.Node.DistantSupervisor',
                              [<6880.177.0>,<6880.176.0>],
                              'Elixir.Task.Supervised',reply,
                              [<8002.191.0>,monitor,
                               {'baz@127.0.0.1','Elixir.Masdb.Gossip.Server'},
                               {'Elixir.Masdb.Gossip.Server',received_gossip,
                                [#{'__struct__' => 'Elixir.Masdb.Register',
                                   schemas => [],
                                   stores => [],
                                   synced => true,
                                   tables => []}]}]]},
                            {1491,860871,812235}},
                           {<6880.845.0>,
                            {proc_lib,init_p,
                             ['Elixir.Masdb.Node.DistantSupervisor',
                              [<6880.177.0>,<6880.176.0>],
                              'Elixir.Task.Supervised',reply,
                              [<8003.191.0>,monitor,
                               {'bar@127.0.0.1','Elixir.Masdb.Gossip.Server'},
                               {'Elixir.Masdb.Gossip.Server',received_gossip,
                                [#{'__struct__' => 'Elixir.Masdb.Register',
                                   schemas => [],
                                   stores => [],
                                   synced => true,
                                   tables => []}]}]]},
                            {1491,860871,827102}}]},
                         {exit,
                          [{<6880.842.0>,normal,{1491,860868,810505}},
                           {<6880.843.0>,normal,{1491,860868,822966}},
                           {<6880.844.0>,normal,{1491,860871,813505}},
                           {<6880.845.0>,normal,{1491,860871,828388}}]},
                         {send,
                          [{{'Elixir.Masdb.Register.Server',<6880.842.0>},0,1},
                           {{'Elixir.Masdb.Register.Server',<6880.843.0>},0,1},
                           {{'Elixir.Masdb.Register.Server',<6880.844.0>},0,1},
                           {{'Elixir.Masdb.Register.Server',<6880.845.0>},0,1},
                           {{#Port<6880.6636>,<6880.192.0>},1,0},
                           {{#Port<6880.6656>,<6880.197.0>},1,0},
                           {{#Port<6880.6699>,<6880.836.0>},1,0},
                           {{<6880.178.0>,<6880.188.0>},2,2},
                           {{<6880.185.0>,<8003.191.0>},2,0},
                           {{<6880.185.0>,<8002.191.0>},2,0},
                           {{<6880.186.0>,<6880.188.0>},4,4},
                           {{<6880.188.0>,<8003.815.0>},1,0},
                           {{<6880.188.0>,<8003.817.0>},1,0},
                           {{<6880.188.0>,<8002.2077.0>},1,0},
                           {{<6880.188.0>,<8002.2079.0>},1,0},
                           {{<6880.188.0>,
                             {'Elixir.Masdb.Node.DistantSupervisor',
                              'bar@127.0.0.1'}},
                            2,0},
                           {{<6880.188.0>,
                             {'Elixir.Masdb.Node.DistantSupervisor',
                              'baz@127.0.0.1'}},
                            2,0},
                           {{<8003.191.0>,<6880.843.0>},0,1},
                           {{<8003.191.0>,<6880.845.0>},0,1},
                           {{<8002.191.0>,<6880.842.0>},0,1},
                           {{<8002.191.0>,<6880.844.0>},0,1},
                           {{<6880.192.0>,<6880.841.0>},1,0},
                           {{<6880.197.0>,<6880.841.0>},1,0},
                           {{<6880.836.0>,<6880.841.0>},1,0}]},
                         {send_self,[]},
                         {'receive',
                          [{#Port<6880.6636>,1,12},
                           {#Port<6880.6656>,1,12},
                           {#Port<6880.6699>,1,12},
                           {<6880.178.0>,2,20},
                           {<6880.185.0>,8,232},
                           {<6880.186.0>,8,120},
                           {<6880.188.0>,22,200},
                           {<6880.192.0>,1,3},
                           {<6880.197.0>,1,3},
                           {<6880.836.0>,1,3},
                           {<6880.842.0>,1,12},
                           {<6880.843.0>,1,12},
                           {<6880.844.0>,1,12},
                           {<6880.845.0>,1,12}]},
                         {trace,[]}]}
** When Server state == {state,[<0.199.0>]}
** Reason for termination == 
** {{timeout,{gen_server,call,
                         [epl_tracer,
                          {command,#Fun<supervisor.which_children.1>,
                                   [<6880.163.0>]}]}},
    [{gen_server,call,2,[{file,"gen_server.erl"},{line,204}]},
     {epl_st,command,2,[{file,"src/epl_st.erl"},{line,120}]},
     {epl_st,generate_sup_tree,1,[{file,"src/epl_st.erl"},{line,104}]},
     {epl_st,'-handle_info/2-fun-0-',2,[{file,"src/epl_st.erl"},{line,76}]},
     {lists,foldl,3,[{file,"lists.erl"},{line,1263}]},
     {epl_st,handle_info,2,[{file,"src/epl_st.erl"},{line,75}]},
     {gen_server,try_dispatch,4,[{file,"gen_server.erl"},{line,601}]},
     {gen_server,handle_msg,5,[{file,"gen_server.erl"},{line,667}]}]}

=INFO REPORT==== 10-Apr-2017::17:47:57 ===
    application: epl_st
    exited: shutdown
    type: temporary
ERROR: timed out while collecting data from node
ERROR: timed out while collecting data from node

The text was updated successfully, but these errors were encountered:

arkgil · 2017-04-11T07:16:16Z

It's not an issue with you project, but with one of your dependencies: bunt. We have already encountered similar case, it happens because Bunt kind of breaks OTP compliance and returns application master's PID as if it was top supervisor's PID (see this line). I think that bunt is dependency of Credo, so could you please add runtime: false option to Credo in you mix.exs and tell us what happens? 🙂

arkgil · 2017-04-11T07:34:03Z

I've made a PR to Bunt repository, I hope this will solve the issue :)

michalslaski · 2017-04-11T07:41:01Z

Good catch @arkgil

DrPandemic · 2017-04-11T14:05:32Z

Wow, that was a quick diagnostic. So adding the runtime: false fixed the dashboard/overview page, but the sup-tree is still indefinitely loading. Also, I still have an error in the log.

Thank you for your time.

=ERROR REPORT==== 11-Apr-2017::10:03:45 ===
** Generic server epl_st terminating 
** Last message in was {data,
                        {'foo@127.0.0.1',{1491,919425,150512}},
... (my app state, like the previous error)
** When Server state == {state,[]}
** Reason for termination == 
** {function_clause,
       [{lists,map,
            [#Fun<epl_st.1.5273273>,
             {'EXIT',
                 {noproc,
                     {gen_server,call,[undefined,which_children,infinity]}}}],
            [{file,"lists.erl"},{line,1238}]},
        {epl_st,generate_sup_tree,1,[{file,"src/epl_st.erl"},{line,99}]},
        {lists,map,2,[{file,"lists.erl"},{line,1239}]},
        {lists,map,2,[{file,"lists.erl"},{line,1239}]},
        {epl_st,generate_sup_tree,1,[{file,"src/epl_st.erl"},{line,105}]},
        {epl_st,'-handle_info/2-fun-0-',2,[{file,"src/epl_st.erl"},{line,76}]},
        {lists,foldl,3,[{file,"lists.erl"},{line,1263}]},
        {epl_st,handle_info,2,[{file,"src/epl_st.erl"},{line,75}]}]}

=INFO REPORT==== 11-Apr-2017::10:03:45 ===
    application: epl_st
    exited: shutdown
    type: temporary

arkgil · 2017-04-11T20:20:16Z

@DrPandemic first of all, thank you for reporting the issue 👍 You have found a bug which we obviously haven't spotted before. I'll fix this as soon as possible, and we will release version 0.6.1. Thanks once again! ❤️

arkgil · 2017-04-13T14:09:20Z

@DrPandemic the issue is solved now in version 0.6.1 :) Please build from 0.6.1 tag or download new version of prebuilt script. Let us know if that fixed your issue (it should, I've tested it on my machine with your
application 😉 ). Cheers!

DrPandemic · 2017-04-13T14:51:24Z

Yes it all works. Thank you for your swift fix. You rock!

arkgil mentioned this issue Apr 11, 2017

Make Bunt a library application rrrene/bunt#5

Merged

This was referenced Apr 11, 2017

Handle undefined atom as a valid child returned by supervisor:which_children erlanglab/epl_st#7

Closed

Filter not started children when generating supervisor nodes erlanglab/epl_st#8

Merged

DrPandemic closed this as completed Apr 13, 2017

zachdaniel mentioned this issue Jun 16, 2017

Crash after connection (possible duplicate) #60

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Crashing after connection #43

Crashing after connection #43

DrPandemic commented Apr 10, 2017

arkgil commented Apr 11, 2017

arkgil commented Apr 11, 2017

michalslaski commented Apr 11, 2017

DrPandemic commented Apr 11, 2017

arkgil commented Apr 11, 2017

arkgil commented Apr 13, 2017

DrPandemic commented Apr 13, 2017 •

edited

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Crashing after connection #43

Crashing after connection #43

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DrPandemic commented Apr 10, 2017

arkgil commented Apr 11, 2017

arkgil commented Apr 11, 2017

michalslaski commented Apr 11, 2017

DrPandemic commented Apr 11, 2017

arkgil commented Apr 11, 2017

arkgil commented Apr 13, 2017

DrPandemic commented Apr 13, 2017 • edited Loading

DrPandemic commented Apr 13, 2017 •

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