node-bunyan-lite/examples/err.js

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// Example logging an error:
var http = require('http');
var Logger = require('../lib/bunyan');
var log = new Logger({
service: "myserver",
serializers: {
req: Logger.stdSerializers.req,
res: Logger.stdSerializers.res
}
});
try {
throw new TypeError("boom");
} catch (err) {
log.warn({err: err}, "operation went boom: %s", err) // <--- here
}
/*
$ node err.js | ../bin/bunyan -j
{
"service": "myserver",
"hostname": "banana.local",
"err": {
"stack": "TypeError: boom\n at Object.<anonymous> (/Users/trentm/tm/node-bunyan/examples/err.js:15:9)\n at Module._compile (module.js:411:26)\n at Object..js (module.js:417:10)\n at Module.load (module.js:343:31)\n at Function._load (module.js:302:12)\n at Array.0 (module.js:430:10)\n at EventEmitter._tickCallback (node.js:126:26)",
"message": "boom"
},
"level": 4,
"msg": "operation went boom: TypeError: boom",
"time": "2012-02-02T04:42:53.206Z",
"v": 0
}
$ node err.js | ../bin/bunyan
[2012-02-02T05:02:39.412Z] WARN: myserver on banana.local: operation went boom: TypeError: boom
TypeError: boom
at Object.<anonymous> (/Users/trentm/tm/node-bunyan/examples/err.js:15:9)
at Module._compile (module.js:411:26)
at Object..js (module.js:417:10)
at Module.load (module.js:343:31)
at Function._load (module.js:302:12)
at Array.0 (module.js:430:10)
at EventEmitter._tickCallback (node.js:126:26)
*/