An error was encountered while processing the JSON data

Utilizing the tutorial provided here, I am in the process of creating an application to retrieve JSON data from a specific URL and showcase it. The code snippet below is what I'm using to access the URL and parse the data.


{
    xtype: 'nestedlist',
    title: 'Blog',
    iconCls: 'star',
    cls: 'blog',
    displayField: 'title',

    store: {
        type: 'tree',
        fields: ['uuid', 'display'],
        root: {
            leaf: false
        },
        proxy: {
            type: 'scripttag',
            url: 'http://localhost:8081/openmrs-standalone/ws/rest/v1/location',
            reader: {
                type: 'json',
                rootProperty: 'results'
            }
        },

    },
}

The response in the console looks like this:


{
    "results": [
        {
            "uuid": "c0937f0c-1691-11df-97a5-7038c432aabf",
            "display": "Chulaimbo",
            "links": [
                {
                    "uri": "http://localhost:8081/openmrs-standalone/ws/rest/v1/location/c0937f0c-1691-11df-97a5-7038c432aabf",
                    "rel": "self"
                }
            ]
        },
        {
            "uuid": "c0937d4f-1691-11df-97a5-7038c432aabf",
            "display": "Mosoriot Hospital",
            "links": [
                {
                    "uri": "http://localhost:8081/openmrs-standalone/ws/rest/v1/location/c0937d4f-1691-11df-97a5-7038c432aabf",
                    "rel": "self"
                }
            ]
        },
        {
            "uuid": "8d6c993e-c2cc-11de-8d13-0010c6dffd0f",
            "display": "Unknown Location",
            "links": [
                {
                    "uri": "http://localhost:8081/openmrs-standalone/ws/rest/v1/location/8d6c993e-c2cc-11de-8d13-0010c6dffd0f",
                    "rel": "self"
                }
            ]
        }
    ]
}

However, there seems to be an error stating that "location" is the name of the service.

Answer №1

When you attempt to run the JSON as code, the console gets confused. It anticipates instructions after the first curly brace `{`, not data. To fix this, enclose the entire JSON object in parentheses like so:

{ myfield: 1, anotherfield: 2 } (ERROR)

({ myfield: 1, anotherfield: 2 }) (SUCCESS)

By doing this, you should be able to resolve the issue.

Answer №2

After experimenting with various approaches, I successfully resolved the issue by opting for a different method. By utilizing the proxy type 'rest' and hosting both OpenMRS and my application on the same server and port, I was able to circumvent the restriction on cross-domain calls within my instance of OpenMRS. The initial complication stemmed from using the type "scripttag", although the exact reason behind this remains unknown to me. Nevertheless, making the switch to "rest" effectively alleviated the problem at hand.

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