Cannot invoke null object on moar while compiling or using JSON::RPC #3425

p6rt · 2014-07-04T12:20:12Z

Migrated from rt.perl.org#122226 (status was 'resolved')

Searchable as RT122226$

p6rt · 2014-07-04T12:20:12Z

From @teodozjan

Discussion: http://irclog.perlgeek.de/moarvm/2014-07-04

It worked on parrot.

It don't work on moar for long:
MOAR version This is perl6 version 2014.06-56-g44d5357 built on MoarVM
version 2014.06-40-g6b458f7

kamil@gdn-vc-kamilku:~/dev/sandbox$ perl6-debug-m --ll-exception fail.pl

LOADING fail.pl
+ fail.pl (3 - 7)
| use JSON::RPC::Client;
|
| my $c = JSON::RPC::Client.new(url => 'http://us1.lacunaexpanse.com/empire');
| $c.login(:api_key('07a052e0-d92b-49bb-ad38-cc1e433eb869'),
| :Empire('password'));
r
LOADING eval_0
Cannot invoke null object
at lib/JSON/RPC/Client.pm:21
(/home/kamil/rakudo/install/languages/perl6/site/lib/JSON/RPC/Client.moarvm::40)
from src/gen/m-Metamodel.nqp:2604
(/home/kamil/rakudo/install/languages/nqp/lib/Perl6/Metamodel.moarvm:find_method_fallback:53)
from src/gen/m-Metamodel.nqp:934
(/home/kamil/rakudo/install/languages/nqp/lib/Perl6/Metamodel.moarvm:find_method:109)
from fail.pl:6 (<ephemeral file>::74)
from fail.pl:1 (<ephemeral file>::10)
from gen/moar/stage2/NQPHLL.nqp:1108
(/home/kamil/rakudo/install/languages/nqp/lib/NQPHLL.moarvm:eval:174)
from src/gen/m-perl6-debug.nqp:447
(/home/kamil/rakudo/install/languages/perl6/runtime/perl6-debug.moarvm:eval:96)
from gen/moar/stage2/NQPHLL.nqp:1300
(/home/kamil/rakudo/install/languages/nqp/lib/NQPHLL.moarvm:evalfiles:90)
from gen/moar/stage2/NQPHLL.nqp:1204
(/home/kamil/rakudo/install/languages/nqp/lib/NQPHLL.moarvm:command_eval:212)
from src/Perl6/Compiler.nqp:17
(/home/kamil/rakudo/install/languages/nqp/lib/Perl6/Compiler.moarvm:command_eval:116)
from gen/moar/stage2/NQPHLL.nqp:1179
(/home/kamil/rakudo/install/languages/nqp/lib/NQPHLL.moarvm:command_line:116)
from src/gen/m-perl6-debug.nqp:497
(/home/kamil/rakudo/install/languages/perl6/runtime/perl6-debug.moarvm:MAIN:190)
from src/gen/m-perl6-debug.nqp:440
(/home/kamil/rakudo/install/languages/perl6/runtime/perl6-debug.moarvm::68)
from <unknown>:1
(/home/kamil/rakudo/install/languages/perl6/runtime/perl6-debug.moarvm::8)
from <unknown>:1
(/home/kamil/rakudo/install/languages/perl6/runtime/perl6-debug.moarvm::9)

--
Pozdrawiam

Kamil KuÅ�aga

p6rt · 2014-07-04T14:17:28Z

The RT System itself - Status changed from 'new' to 'open'

p6rt · 2014-07-07T23:09:01Z

From @FROGGS

Here is a workaround: bbkr/JSON-RPC#11

The 'Cannot invoke null object' come due to the sub(){} for instead of the pointy blocks, and also by smart matching the $name against a regex substitution.

I'm not sure yet where to start investigating about the subroutine and regex problem in combination with add_fallback.

p6rt · 2014-07-07T23:11:55Z

From @FROGGS

That's the correct url: bbkr/JSON-RPC#12

p6rt · 2014-07-08T07:43:10Z

From @teodozjan

This works better. But still is not resolving problems with real project.

I use JSON::RPC in Empire.pm but LacunaBuilding.pm fails when uses exported subroutine. I've tried things like removing is cached or replacing it with macro without any positive results.

$ panda install LacunaCookbuk
==> Fetching LacunaCookbuk
==> Building LacunaCookbuk
Compiling lib/LacunaCookbuk/Model/Empire.pm to mbc
Compiling lib/LacunaCookbuk/Model/Building/BuildingView.pm to mbc
Compiling lib/LacunaCookbuk/Id.pm to mbc
Compiling lib/LacunaCookbuk/Model/LacunaBuilding.pm to mbc
===SORRY!===
Cannot invoke null object
build stage failed for LacunaCookbuk: Failed building lib/LacunaCookbuk/Model/LacunaBuilding.pm

###################################

$ PERL6LIB=/home/kamil/dev/lacuna-cookbuk/blib/lib:/home/kamil/dev/lacuna-cookbuk/lib: perl6 --ll-exception --target=mbc --output=blib/lib/LacunaCookbuk/Model/LacunaBuilding.moarvm lib/LacunaCookbuk/Model/LacunaBuilding.pm
Cannot invoke null object
at src/gen/m-CORE.setting:3318 (/home/kamil/rakudo/install/languages/perl6/runtime/CORE.setting.moarvm::48)
from src/gen/m-Metamodel.nqp:3051 (/home/kamil/rakudo/install/languages/nqp/lib/Perl6/Metamodel.moarvm:enter:28)
from src/gen/m-CORE.setting:3275 (/home/kamil/rakudo/install/languages/perl6/runtime/CORE.setting.moarvm:postcircumfix:<( )>:50)
from src/gen/m-BOOTSTRAP.nqp:2588 (/home/kamil/rakudo/install/languages/nqp/lib/Perl6/BOOTSTRAP.moarvm::89)
from lib/LacunaCookbuk/Model/Empire.pm:8 (/home/kamil/dev/lacuna-cookbuk/blib/lib/LacunaCookbuk/Model/Empire.moarvm::100)
from lib/LacunaCookbuk/Model/Empire.pm:6 (/home/kamil/dev/lacuna-cookbuk/blib/lib/LacunaCookbuk/Model/Empire.moarvm::27)
from lib/LacunaCookbuk/Model/Empire.pm:1 (/home/kamil/dev/lacuna-cookbuk/blib/lib/LacunaCookbuk/Model/Empire.moarvm::10)
from <unknown>:1 (/home/kamil/dev/lacuna-cookbuk/blib/lib/LacunaCookbuk/Model/Empire.moarvm::6)
from src/gen/m-ModuleLoader.nqp:236 (/home/kamil/rakudo/install/languages/nqp/lib/Perl6/ModuleLoader.moarvm::72)
from src/gen/m-ModuleLoader.nqp:230 (/home/kamil/rakudo/install/languages/nqp/lib/Perl6/ModuleLoader.moarvm::176)
from src/gen/m-ModuleLoader.nqp:212 (/home/kamil/rakudo/install/languages/nqp/lib/Perl6/ModuleLoader.moarvm:load_module:408)
from src/gen/m-CORE.setting:20895 (/home/kamil/rakudo/install/languages/perl6/runtime/CORE.setting.moarvm::289)
from src/gen/m-CORE.setting:17992 (/home/kamil/rakudo/install/languages/perl6/runtime/CORE.setting.moarvm:protect:51)
from src/gen/m-CORE.setting:20885 (/home/kamil/rakudo/install/languages/perl6/runtime/CORE.setting.moarvm:load_module:83)
from src/Perl6/World.nqp:335 (/home/kamil/rakudo/install/languages/nqp/lib/Perl6/World.moarvm:load_module:44)
from src/Perl6/Grammar.nqp:1426 (/home/kamil/rakudo/install/languages/nqp/lib/Perl6/Grammar.moarvm::101)
from src/Perl6/Grammar.nqp:1422 (/home/kamil/rakudo/install/languages/nqp/lib/Perl6/Grammar.moarvm::79)
from src/Perl6/Grammar.nqp:1420 (/home/kamil/rakudo/install/languages/nqp/lib/Perl6/Grammar.moarvm:statement_control:sym<use>:705)
from gen/moar/stage2/QRegex.nqp:791 (/home/kamil/rakudo/install/languages/nqp/lib/QRegex.moarvm:!protoregex:99)
from <unknown>:1 (/home/kamil/rakudo/install/languages/nqp/lib/Perl6/Grammar.moarvm:statement_control:10)
from src/Perl6/Grammar.nqp:1132 (/home/kamil/rakudo/install/languages/nqp/lib/Perl6/Grammar.moarvm:statement:280)
from <unknown>:1 (/home/kamil/rakudo/install/languages/nqp/lib/Perl6/Grammar.moarvm:statementlist:238)
from gen/moar/stage2/NQPHLL.nqp:729 (/home/kamil/rakudo/install/languages/nqp/lib/NQPHLL.moarvm:LANG:146)
from src/Perl6/Grammar.nqp:932 (/home/kamil/rakudo/install/languages/nqp/lib/Perl6/Grammar.moarvm:comp_unit:886)
from src/Perl6/Grammar.nqp:346 (/home/kamil/rakudo/install/languages/nqp/lib/Perl6/Grammar.moarvm:TOP:532)
from gen/moar/stage2/QRegex.nqp:1306 (/home/kamil/rakudo/install/languages/nqp/lib/QRegex.moarvm:parse:44)
from gen/moar/stage2/NQPHLL.nqp:1387 (/home/kamil/rakudo/install/languages/nqp/lib/NQPHLL.moarvm:parse:80)
from gen/moar/stage2/NQPHLL.nqp:1343 (/home/kamil/rakudo/install/languages/nqp/lib/NQPHLL.moarvm:compile:197)
from gen/moar/stage2/NQPHLL.nqp:1091 (/home/kamil/rakudo/install/languages/nqp/lib/NQPHLL.moarvm:eval:55)
from gen/moar/stage2/NQPHLL.nqp:1300 (/home/kamil/rakudo/install/languages/nqp/lib/NQPHLL.moarvm:evalfiles:90)
from gen/moar/stage2/NQPHLL.nqp:1204 (/home/kamil/rakudo/install/languages/nqp/lib/NQPHLL.moarvm:command_eval:212)
from src/Perl6/Compiler.nqp:17 (/home/kamil/rakudo/install/languages/nqp/lib/Perl6/Compiler.moarvm:command_eval:116)
from gen/moar/stage2/NQPHLL.nqp:1179 (/home/kamil/rakudo/install/languages/nqp/lib/NQPHLL.moarvm:command_line:116)
from src/gen/m-main.nqp:39 (/home/kamil/rakudo/install/languages/perl6/runtime/perl6.moarvm:MAIN:18)
from src/gen/m-main.nqp:35 (/home/kamil/rakudo/install/languages/perl6/runtime/perl6.moarvm::197)
from <unknown>:1 (/home/kamil/rakudo/install/languages/perl6/runtime/perl6.moarvm::8)
from <unknown>:1 (/home/kamil/rakudo/install/languages/perl6/runtime/perl6.moarvm::9)

p6rt · 2014-07-11T14:15:53Z

From @teodozjan

Now exception is caused by another issue

p6rt · 2014-07-11T14:15:54Z

@teodozjan - Status changed from 'open' to 'resolved'

p6rt closed this as completed Jul 11, 2014

p6rt added the Bug label Jan 5, 2020

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Cannot invoke null object on moar while compiling or using JSON::RPC #3425

Cannot invoke null object on moar while compiling or using JSON::RPC #3425

p6rt commented Jul 4, 2014

p6rt commented Jul 4, 2014

p6rt commented Jul 4, 2014

p6rt commented Jul 7, 2014

p6rt commented Jul 7, 2014

p6rt commented Jul 8, 2014

p6rt commented Jul 11, 2014

p6rt commented Jul 11, 2014

Cannot invoke null object on moar while compiling or using JSON::RPC #3425

Cannot invoke null object on moar while compiling or using JSON::RPC #3425

Comments

p6rt commented Jul 4, 2014

p6rt commented Jul 4, 2014

From @teodozjan

p6rt commented Jul 4, 2014

p6rt commented Jul 7, 2014

From @FROGGS

p6rt commented Jul 7, 2014

From @FROGGS

p6rt commented Jul 8, 2014

From @teodozjan

p6rt commented Jul 11, 2014

From @teodozjan

p6rt commented Jul 11, 2014