Re: [mh] Nanoleaf Aurora crashes on latest master

Hi Howard,

I figured this out.

It ends up that /JSON-support_by_pp/ and /JSON::XS/ don't play well 
together.

I had been using /JSON-support_by_pp/ in my alexa.pl code, and as soon 
as it decoded some JSON, all the other modules in MH that I had enabled 
that were using JSON::XS (Nanoleaf_Aurora.pm, Ecobee.pm) started 
misbehaving each time they attempted to decode JSON with 
/JSON::XS->new->decode()/. After switching alexa.pl to use /JSON::XS/ 
the issue went away.

I'm not sure what changed between MH 4.2 and the latest MH master, but 
this had never been an issue before.

Just a word of warning to everyone working with JSON that they should 
stick with /JSON::XS/ and avoid the Pure Perl version of this module....


Cheers!

-Brian


On 7/26/2020 3:46 PM, Brian Rudy via misterhouse-users wrote:
>
> Hi Howard,
>
> I am seeing a strange issue when using the current master branch with 
> Nanoleaf_Aurora that I hadn't seen prior to upgrading MH (I had been 
> using the 4.2 branch but was using the latest Nanoleaf_Aurora.pm prior 
> to this error appearing). Nanoleaf_Aurora runs fine all by itself, but 
> if I POST some JSON to another (completely unrelated) custom 
> Misterhouse CGI endpoint (/bin/alexa.pl that is ultimately serviced 
> via http_server.pl) I get the following error from Nanoloeaf_Aurora.pm 
> (note that I have debug set to 4):
>
> /07/26/2020 15:11:09  [Aurora:1] get_data initiated//
> //07/26/2020 15:11:09  [Aurora:1] Background Polling initiated//
> //07/26/2020 15:11:09  [Aurora:1] Backgrounding 11782 command info, 
> get_url -ua 
> "http://192.168.69.20:16021/api/v1/xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx/"//
> //
> //07/26/2020 15:11:10  Oops2: could not pulse break on: Interrupted 
> system call//
> //
> //07/26/2020 15:11:10  [Aurora:1] Background poll info process completed//
> //debug: file_data={"name":"Nanoleaf Light Panels 
> 50:42:08","serialNo":"xxxxxxxxxxxx","manufacturer":"Nanoleaf","firmwareVersion":"3.3.4","hardwareVersion":"1.6-2","model":"NL22","cloudHash":{},"discovery":{},"effects":{"effectsList":["Christmas 
> Lights","Color Burst","Cops","Duo RED 
> EDM","Fireworks","Flames","Forest","Higgs Boson","Inner Peace","Knight 
> Rider","Meteor Shower","Nemo","Northern Lights","Paint 
> Splatter","Patterned Beats","Pulse","Pulse Pop Beats","Rhythmic 
> Northern Lights","Ripple","Romantic","Scanner","Shooting 
> Stars","Snowfall","Sound Bar","Sound Bar Red","Streaking 
> Notes","Triluminox Energy Crystal","Tron Legacy","Vader","Static 
> Radiation"],"select":"Tron 
> Legacy"},"firmwareUpgrade":{},"panelLayout":{"globalOrientation":{"value":0,"max":360,"min":0},"layout":{"numPanels":12,"sideLength":150,"positionData":[{"panelId":1,"x":149,"y":43,"o":180,"shapeType":0},{"panelId":3,"x":149,"y":129,"o":120,"shapeType":0},{"panelId":4,"x":75,"y":173,"o":60,"shapeType":0},{"panelId":5,"x":0,"y":129,"o":240,"shapeType":0},{"panelId":6,"x":74,"y":259,"o":240,"shapeType":0},{"panelId":7,"x":149,"y":303,"o":60,"shapeType":0},{"panelId":8,"x":149,"y":389,"o":120,"shapeType":0},{"panelId":9,"x":224,"y":259,"o":120,"shapeType":0},{"panelId":10,"x":224,"y":173,"o":180,"shapeType":0},{"panelId":11,"x":299,"y":129,"o":240,"shapeType":0},{"panelId":12,"x":299,"y":303,"o":300,"shapeType":0},{"panelId":13,"x":0,"y":303,"o":180,"shapeType":0}]}},"rhythm":{"auxAvailable":false,"firmwareVersion":"2.4.3","hardwareVersion":"1.4","rhythmActive":false,"rhythmConnected":true,"rhythmId":2,"rhythmMode":0,"rhythmPos":{"x":75.00154891541854,"y":0.0003980267930359105,"o":240.0}},"schedules":{},"state":{"brightness":{"value":50,"max":100,"min":0},"colorMode":"effect","ct":{"value":3000,"max":6500,"min":1200},"hue":{"value":0,"max":360,"min":0},"on":{"value":true},"sat":{"value":0,"max":100,"min":0}}}//
> //debug: json_data={"name":"Nanoleaf Light Panels 
> 50:42:08","serialNo":"xxxxxxxxxxx","manufacturer":"Nanoleaf","firmwareVersion":"3.3.4","hardwareVersion":"1.6-2","model":"NL22","cloudHash":{},"discovery":{},"effects":{"effectsList":["Christmas 
> Lights","Color Burst","Cops","Duo RED 
> EDM","Fireworks","Flames","Forest","Higgs Boson","Inner Peace","Knight 
> Rider","Meteor Shower","Nemo","Northern Lights","Paint 
> Splatter","Patterned Beats","Pulse","Pulse Pop Beats","Rhythmic 
> Northern Lights","Ripple","Romantic","Scanner","Shooting 
> Stars","Snowfall","Sound Bar","Sound Bar Red","Streaking 
> Notes","Triluminox Energy Crystal","Tron Legacy","Vader","Static 
> Radiation"],"select":"Tron 
> Legacy"},"firmwareUpgrade":{},"panelLayout":{"globalOrientation":{"value":0,"max":360,"min":0},"layout":{"numPanels":12,"sideLength":150,"positionData":[{"panelId":1,"x":149,"y":43,"o":180,"shapeType":0},{"panelId":3,"x":149,"y":129,"o":120,"shapeType":0},{"panelId":4,"x":75,"y":173,"o":60,"shapeType":0},{"panelId":5,"x":0,"y":129,"o":240,"shapeType":0},{"panelId":6,"x":74,"y":259,"o":240,"shapeType":0},{"panelId":7,"x":149,"y":303,"o":60,"shapeType":0},{"panelId":8,"x":149,"y":389,"o":120,"shapeType":0},{"panelId":9,"x":224,"y":259,"o":120,"shapeType":0},{"panelId":10,"x":224,"y":173,"o":180,"shapeType":0},{"panelId":11,"x":299,"y":129,"o":240,"shapeType":0},{"panelId":12,"x":299,"y":303,"o":300,"shapeType":0},{"panelId":13,"x":0,"y":303,"o":180,"shapeType":0}]}},"rhythm":{"auxAvailable":false,"firmwareVersion":"2.4.3","hardwareVersion":"1.4","rhythmActive":false,"rhythmConnected":true,"rhythmId":2,"rhythmMode":0,"rhythmPos":{"x":75.00154891541854,"y":0.0003980267930359105,"o":240.0}},"schedules":{},"state":{"brightness":{"value":50,"max":100,"min":0},"colorMode":"effect","ct":{"value":3000,"max":6500,"min":1200},"hue":{"value":0,"max":360,"min":0},"on":{"value":true},"sat":{"value":0,"max":100,"min":0}}}//
> //07/26/2020 15:11:10  [Aurora:1] ERROR! JSON file parser crashed! 
> Can't locate object method "property" via package "JSON::XS" at (eval 
> 105) line 124.//
> // at mh line 31//
> //        main::__ANON__('Can\'t locate object method "property" via 
> package "JSON::XS"...') called at (eval 105) line 124//
> //JSON::Backend::XS::Supportable::_set_for_pp('decode', 
> 'JSON::XS=SCALAR(0x6a4d540)', '{"name":"Nanoleaf Light Panels 
> 50:42:08","serialNo":"xxxxxxxx...') called at (eval 105) line 153//
> //JSON::Backend::XS::Supportable::_decode('JSON::XS=SCALAR(0x6a4d540)', 
> '{"name":"Nanoleaf Light Panels 50:42:08","serialNo":"xxxxxxxx...') 
> called at 
> /home/brudy/projects/misterhouse/mrhouse/misterhouse-07262020/bin/../lib/Nanoleaf_Aurora.pm 
> line 293//
> //        eval {...} called at 
> /home/brudy/projects/misterhouse/mrhouse/misterhouse-07262020/bin/../lib/Nanoleaf_Aurora.pm 
> line 293//
> //Nanoleaf_Aurora::process_check('Nanoleaf_Aurora=HASH(0x60ecd38)') 
> called at mh line 1580//
> //        main::run_hooks_('MainLoop_post') called at (eval 64) line 5//
> //        main::MainLoop_post_hooks() called at mh line 1715//
> //        main::check_for_action called at mh line 3782//
> //        main::monitor_commands called at mh line 7787//
> //
> //
> //07/26/2020 15:11:10  [Aurora:1] Communication Tracking object found. 
> Updating from online to offline.../
>
>
> After this error first appears, it seems to confuse Nanoleaf_Aurora 
> because it happens every time poll_process completes after the time 
> the initial error is shown. It seems like whatever http_server.pl is 
> doing handling the JSON POST is interfering with Nanoleaf_Aurora's 
> /poll_process/.
>
>
> A full (obfuscated) log excerpt with http logging enabled as well is 
> attached.
>
>
>
>
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