On 01/03/2017 05:23 PM, sebb wrote:
> On 3 January 2017 at 14:47, Daniel Gruno <[email protected]> wrote:
>> On 01/03/2017 03:44 PM, sebb wrote:
>>> On 3 January 2017 at 12:33, Daniel Gruno <[email protected]> wrote:
>>>> On 01/03/2017 02:12 AM, sebb wrote:
>>>>> The test VM is now running ES 5.x with a basic database.
>>>>> The Apache config appears OK, Javascript is able to invoke lua scripts OK.
>>>>>
>>>>> However a couple of the queries fail:
>>>>>
>>>>> api/pminfo.lua:169: Backend Database returned code 400!
>>>>>
>>>>> {"error":{"root_cause":[{"type":"illegal_argument_exception","reason":"No
>>>>> search type for
>>>>> [scan]"}],"type":"illegal_argument_exception","reason":"No search type
>>>>> for [scan]"},"status":400}
>>>>
>>>> search_type changed in 5.x to mean something else, and should be omitted
>>>> in scan function in elastic.lua, AIUI.
>>>>
>>>>>
>>>>> api/stats.lua:410: Backend Database returned code 400!
>>>>>
>>>>> {"error":{"root_cause":[{"type":"parsing_exception","reason":"no
>>>>> [query] registered for
>>>>> [limit]","line":1,"col":405}],"type":"parsing_exception","reason":"no
>>>>> [query] registered for [limit]","line":1,"col":405},"status":400}
>>>>
>>>> limit is a thing of the past, and the size parameter has changed as well
>>>> (it not denotes the total docs in the next scroll, not per shard/node).
>>>> It might be easier to adjust this for ES 2.3/5.1 and not support earlier
>>>> versions of ElasticSearch going forward.
>>>
>>> +1
>>>
>>>> I seem to also recall some harmonization needed between hard configured
>>>> limits to results and how the scroll API works. I'll look into that ASAP.
>>>
>>> So what does lists.apache.org use for the queries?
>>> Or does it not use ES 5.x?
>>
>> There are minor proprietary edits, but most importantly, it doesn't use
>> the word cloud feature, so the issue is not present there.
> 
> Disabling word-cloud avoids the crash in stats.lua, but pminfo.lua still 
> fails.
> Not surprising as that does not depend on the word cloud setting.
> I have tried with both the current and 0.9 code.
> 
> The 0.9 JS ignores the error so it is not so obvious.
> 
> However lists.a.o does not show the problem.
> So there must be some other code difference in lists.a.o to allow it
> to work with ES 5.x

That bit is just removing 'search_type=scan' in the scan function in
elastic.lua, as that changed with 5.x (or maybe 2.x, I can't remember
and the docs don't say).

Before we do that, we should agree on only supporting 2.x an onwards.

With regards,
Daniel.

> 
>>>
>>>>>
>>>>> I have tried the stats.lua query directly in curl and it fails with
>>>>> the same error, so this is not a Lua issue.
>>>>>
>>>>> It looks like the syntax for these particular queries has changed in 5.x.
>>>>>
>>>>> However I was told that lists.a.o was running on 5.x.
>>>>> If so, then I assume it must have had some fixes to the syntax which
>>>>> have not been back-ported to the mainline code?
>>>>>
>>>>> Anyone got any idea what needs fixing?
>>>>>
>>>>
>>

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