Re: [mh] Nanoleaf Aurora crashes on latest master

Hi Brian,

  Sorry I missed this, it was in the junk folder for some reason. That’s a pretty unusual interaction, and thanks for chasing down the root cause. I’m not sure of the difference, I know I updated the Nanoleaf module in master to deal with newer device firmware, maybe that had something to do with it. I’m running master, and have the alexa.pl module enabled, but I don’t really use it since I mainly use the homebridge support.



> On Jul 27, 2020, at 2:58 PM, Brian Rudy <[email protected]> wrote:
> 
> 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/" <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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