我已创建了一个节点 Lambda 函数,简单调用了一下 Aurora 数据库。当我在控制台中测试函数时,查询返回了,我可以在日志中看到结果,但回调似乎从未被调用,所以我的 Lambda 函数超时了。我无法找出问题所在。希望有人能指出问题所在。
var mysql = require("mysql");
module.exports.handler = function(event, context, cb) {
console.log('start\n');
var con = mysql.createConnection({
...
});
console.log('call data\n');
con.query('SELECT * FROM Tags', function(err, rows) {
console.log('Data received from Db:\n');
console.log(rows);
console.log('calling callback');
cb(null, 'Success');
console.log('callback called');
});
console.log('data called\n');
};
生成的 Cloudwatch 日志如下所示...
2016-07-25T14:20:05.343Z daf5cd6b-5272-11e6-9036-e73ad17006df start
2016-07-25T14:20:05.398Z daf5cd6b-5272-11e6-9036-e73ad17006df call data
2016-07-25T14:20:05.405Z daf5cd6b-5272-11e6-9036-e73ad17006df data called
2016-07-25T14:20:05.440Z daf5cd6b-5272-11e6-9036-e73ad17006df Data received from Db:
2016-07-25T14:20:05.440Z daf5cd6b-5272-11e6-9036-e73ad17006df [
RowDataPacket {
id: 1,
externalId:
'a87ead34de7e',
orgId: 1,
name: 'lacinia sapien',
createdDate: 1448598369,
modifiedDate: 0
},
...,
RowDataPacket {
id: 50,
externalId: '9ebaaab372e3',
orgId: 1,
name: 'et commodo',
createdDate: 1451551837,
modifiedDate: 0
}
]
2016-07-25T14:20:05.483Z daf5cd6b-5272-11e6-9036-e73ad17006df calling callback
2016-07-25T14:20:05.483Z daf5cd6b-5272-11e6-9036-e73ad17006df callback called
END RequestId: daf5cd6b-5272-11e6-9036-e73ad17006df
REPORT RequestId: daf5cd6b-5272-11e6-9036-e73ad17006df Duration: 300000.12 ms Billed Duration: 300000 ms Memory Size: 1024 MB Max Memory Used: 52 MB
2016-07-25T14:25:05.341Z daf5cd6b-5272-11e6-9036-e73ad17006df Task timed out after 300.00 seconds