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https://issues.apache.org/jira/browse/SOLR-2627?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13056871#comment-13056871
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Brian Pontarelli commented on SOLR-2627:
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Actually, I'll bite on your comment because it appears you are incorrect. I
tested this in a couple of browsers and also some parsers and it doesn't work.
Most browsers will end up clobbering the fist object with the second one with
the same name. You can test this easily in Chrome with the console.log
statement.
Additionally, most JSON parsers return objects as Maps, which don't allow
duplicate keys. You would need to use a MultiMap to accomplish that.
Glad this is fixed, but please do update the docs.
> Solr's JSON request format isn't valid JSON
> -------------------------------------------
>
> Key: SOLR-2627
> URL: https://issues.apache.org/jira/browse/SOLR-2627
> Project: Solr
> Issue Type: Bug
> Components: update
> Affects Versions: 3.2
> Reporter: Brian Pontarelli
> Priority: Critical
> Labels: json
>
> I've been working with Solr's JSON request and response to get it up and
> running in my application and it looks like the JSON request format is not
> properly formatted JSON. Here's an example of a request with multiple
> documents (from the Wiki):
> {code:javascript}
> {
> "add": {"doc": {"id" : "TestDoc1", "title" : "test1"} },
> "add": {"doc": {"id" : "TestDoc2", "title" : "another test"} }
> }
> {code}
> Unfortunately, this is not valid JSON because according to RFC-4627 section
> 2.2, "The names within an object SHOULD be unique." This means that defining
> the name "add" twice is not allowed. Instead, the JSON should use an array
> for multiple documents like this:
> {code:javascript}
> {
> "add": [{"doc": {"id" : "TestDoc1", "title" : "test1"}},
> {"doc": {"id" : "TestDoc2", "title" : "another test"}}]
> }
> {code}
> An alternate form that simplifies this entire thing is to remove the "doc"
> identifier as it doesn't appear to provide useful information. That form
> would be:
> {code:javascript}
> {
> "add": [{"id" : "TestDoc1", "title" : "test1"},
> {"id" : "TestDoc2", "title" : "another test"}]
> }
> {code}
> It looks like Noggit uses a stream based Parser that doesn't put these values
> into a Map or JavaBean, otherwise this would have revealed itself much
> sooner. I run into the issue when attempting to create a Map that I could
> pass to a JSON binder such as Jackson or Google-GSON. Given the current
> format, none of those tools will work with Solr.
> It also looks like Noggit is not really moving out of labs. It would be nice
> to use a more well known and active project for the JSON handling as it is
> quickly becoming the de-facto standard. I can open a ticket for that
> separately if needed and help out with the code.
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