问题描述:

I am trying to log a JSON value with nested properties to a logzio ELK stack via NodeJS

The code is:

var logger = require('logzio-nodejs').createLogger({

token: config.LOGZIO_API_KEY

});

// sending text

logger.log('This is a log message');

// sending an object

var obj = {

message: 'Some log message',

param1: 'val1',

param2: 'val2'

};

logger.log(obj);

This works fine, but if I want to log nested data such as:

// sending an object

var obj = {

message: 'Some log message',

param1: {

a : 'b',

c : 'd'

},

param2: 'val2'

};

This returns an error:

{"type":"mapper_parsing_exception","reason":"failed to parse [param1]","caused_by":{"type":"illegal_argument_exception","reason":"unknown property [a]"}}

What can I adjust that will allow me to log this nested object?

网友答案:

This is because when you've logged param1 as a string, ES created a field of type string.

Thereafter, you tried to log param1 as an object and that was conflicting with the the string type.

However, you can definitely log a nested object but you have to give it another name that a field that already exists, say param3, that should work:

// sending an object
var obj = {
  message: 'Some log message',
  param3: {
    a : 'b',
    c : 'd'
  },
  param2: 'val2'
};
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