Ok, I found out that I can send a JSON as a script parameter and just
append it to the nested objects list (with list += newObject or
list.add(newObject) ) using groovy and it works
But it is not working with the Java API, I can only get it to work using
the REST API.
When using Java the JSON is treated as a string, then I get the error:
object mapping [objectsList] trying to serialize a value with no field
> associated with it, current value [{"field":"value"}]
I can reproduce the error in the REST API by wrapping the JSON parameter
with quotes:
*Works (using REST API):*
{
> "script": "ctx._source.objectsList += newObject",
> "params": {
> "newObject": {"field": "value"}
> },
> "lang": "groovy"
> }
*Does not work (using REST API):*
{
> "script": "ctx._source.objectsList += newObject",
> "params": {
> "newObject": "{\"field\": \"value\"}"
> },
> "lang": "groovy"
> }
*Does not work (using JAVA API):*
String script = "ctx._source.objectsList += newObject";
2014-12-16 13:04 GMT-02:00 Roger de Cordova Farias <
[email protected]>:
>
> Hello
>
> I'm trying to update a document whose root object contains a list of
> nested objects. I need to send an object of the nested type as a script
> parameter to append to the list
>
> How can I append the json (a string type) to the nested objects list of
> the root object using Groovy? or should I use another script lang?
>
> I tried using JsonSlurper <http://groovy-lang.org/json.html> in Groovy,
> that converts between json and Groovy objects, but I always get:
>
> Caused by:
>> org.elasticsearch.script.groovy.GroovyScriptCompilationException:
>> MultipleCompilationErrorsException[startup failed:
>> Script3.groovy: 2: unable to resolve class JsonSlurper
>> @ line 2, column 19.
>> def jsonSlurper = new JsonSlurper();
>> ^
>> 1 error
>> ]
>> at
>> org.elasticsearch.script.groovy.GroovyScriptEngineService.compile(GroovyScriptEngineService.java:117)
>> at
>> org.elasticsearch.script.ScriptService.getCompiledScript(ScriptService.java:368)
>> at org.elasticsearch.script.ScriptService.compile(ScriptService.java:354)
>> at
>> org.elasticsearch.script.ScriptService.executable(ScriptService.java:497)
>> at
>> org.elasticsearch.action.update.UpdateHelper.prepare(UpdateHelper.java:149)
>> ... 8 more
>
>
>
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