TypeError: Cannot read property 'length' of undefined

[zipzapp]

Hey there!

Tried giving your json log viewer a spin but I couldn't get it going.

some specs:
windows 10 x64
using git bash
node v8.7.0

$ jv logs/dev.log
TypeError: Cannot read property 'length' of undefined
    at len (C:\Users\JonathanCS\AppData\Local\Yarn\config\global\node_modules\json-log-viewer\src\utils.js:42:17)
    at padEnd (C:\Users\JonathanCS\AppData\Local\Yarn\config\global\node_modules\json-log-viewer\src\utils.js:50:28)
    at columns.map.column (C:\Users\JonathanCS\AppData\Local\Yarn\config\global\node_modules\json-log-viewer\src\utils.js:13:14)
    at Array.map (<anonymous>)
    at rows.map.row (C:\Users\JonathanCS\AppData\Local\Yarn\config\global\node_modules\json-log-viewer\src\utils.js:8:20)
    at Array.map (<anonymous>)
    at formatRows (C:\Users\JonathanCS\AppData\Local\Yarn\config\global\node_modules\json-log-viewer\src\utils.js:7:15)
    at MainPanel.update (C:\Users\JonathanCS\AppData\Local\Yarn\config\global\node_modules\json-log-viewer\src\widgets\MainPanel.js:440:21)
    at MainPanel.renderLines (C:\Users\JonathanCS\AppData\Local\Yarn\config\global\node_modules\json-log-viewer\src\widgets\MainPanel.js:92:10)
    at MainPanel.loadFile (C:\Users\JonathanCS\AppData\Local\Yarn\config\global\node_modules\json-log-viewer\src\widgets\MainPanel.js:39:10)

[fcoury]

Hey @athaax I am not sure why but I don't receive GitHub notifications when a new Issue is added.

Do you mind posting your log file here?

[dgladbach]

Hey!
Same problem here.
Linux Mint 18.2
node v9.2.0

$jv censored.log
TypeError: Cannot read property 'length' of undefined
    at len (/usr/local/lib/node_modules/json-log-viewer/src/utils.js:42:17)
    at padEnd (/usr/local/lib/node_modules/json-log-viewer/src/utils.js:50:28)
    at columns.map.column (/usr/local/lib/node_modules/json-log-viewer/src/utils.js:13:14)
    at Array.map (<anonymous>)
    at rows.map.row (/usr/local/lib/node_modules/json-log-viewer/src/utils.js:8:20)
    at Array.map (<anonymous>)
    at formatRows (/usr/local/lib/node_modules/json-log-viewer/src/utils.js:7:15)
    at MainPanel.update (/usr/local/lib/node_modules/json-log-viewer/src/widgets/MainPanel.js:440:21)
    at MainPanel.renderLines (/usr/local/lib/node_modules/json-log-viewer/src/widgets/MainPanel.js:92:10)
    at MainPanel.loadFile (/usr/local/lib/node_modules/json-log-viewer/src/widgets/MainPanel.js:39:10)

My logfile is generated by Monolog and looks like this

{"message":"Matched route \"**_heartbeat_check\" (parameters: \"_controller\": \"**\\Controller\\**Controller::heartbeatCheckAction\", \"_route\": \"**_heartbeat_check\")","context":[],"level":200,"level_name":"INFO","channel":"request","datetime":{"date":"2017-12-06 09:23:42.253060","timezone_type":3,"timezone":"Europe/Berlin"},"extra":[]}
{"message":"Fatal Error: Call to a member function forceLogout() on null","context":{"type":1,"file":"/var/www/html/***BO.php","line":75,"level":-1,"stack":[{"function":"getAutoLogoutInfo","type":"->","class":"**\\BusinessObjects\\**BO","file":"/var/www/html/**Controller.php","line":28,"args":[]},{"function":"heartbeatCheckAction","type":"->","class":"**\\Controller\\**Controller","file":"/var/www/html/**/app/bootstrap.php.cache","line":3054,"args":[]}]},"level":600,"level_name":"EMERGENCY","channel":"php","datetime"{"date":"2017-12-06 09:23:42.434108","timezone_type":3,"timezone":"Europe/Berlin"},"extra":[]}

[fcoury]

Thanks @dgladbach I'll work on it and let you know!

[fcoury]

@dgladbach this should fix your issue.

Please also note that the second line on the log file you provided on your example isn't valid JSON:

JSON Linter Link