# Scripting nested docs array with javascript plugin **URL:** \ **Category:** Elasticsearch\ **Created:** [July 13, 2012, 8:46am UTC](https://discuss.elastic.co/t/scripting-nested-docs-array-with-javascript-plugin/8404 "2012-07-13T08:46:09Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![Rauan\_Maemirov](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/rauan_maemirov/32/826_2.png) [@Rauan\_Maemirov](https://discuss.elastic.co/u/Rauan_Maemirov)\ **Post date:** [July 13, 2012, 8:46am UTC](https://discuss.elastic.co/t/scripting-nested-docs-array-with-javascript-plugin/8404/1 "2012-07-13T08:46:09Z")
Hey, all. I'm tired of dealing with mvel, and moved to scripting with javascript. The issue is that I cannot use simple array functions, even like push to push an element to the end of array. Here's an exception that I'm getting when tried to splice element by index from the array of nested docs: { "error" : "ElasticSearchIllegalArgumentException[failed to execute script]; nested: EcmaError[TypeError: Cannot call property splice in object null. It is not a function, it is "undefined". (Script1.js#1)]; ", "status" : 400 } ctx.\_source.my\_array.splice(index, 1) Everything I try returns me 'Cannot call property %method\_name% in object null. It is not a function, it is "undefined"', even though I can iterate over the array and set values by index, i.e: ctx.\_source.my\_array[index] = some\_doc; Can anybody help me, please? ---
**Author:** ![Kai\_Cherry](https://avatars.discourse-cdn.com/v4/letter/k/ecb155/32.png) [@Kai\_Cherry](https://discuss.elastic.co/u/Kai_Cherry)\ **Post date:** [May 13, 2013, 2:43am UTC](https://discuss.elastic.co/t/scripting-nested-docs-array-with-javascript-plugin/8404/2 "2013-05-13T02:43:11Z")
I am having the exact same issue. Did you ever resolve it? -K On Friday, July 13, 2012 1:46:09 AM UTC-7, Rauan Maemirov wrote: > Hey, all. I'm tired of dealing with mvel, and moved to scripting with > javascript. > The issue is that I cannot use simple array functions, even like push to > push an element to the end of array. > > Here's an exception that I'm getting when tried to splice element by index > from the array of nested docs: > { > "error" : "ElasticSearchIllegalArgumentException[failed to execute > script]; nested: EcmaError[TypeError: Cannot call property splice in object > null. It is not a function, it is "undefined". (Script1.js#1)]; ", > "status" : 400 > } > > ctx.\_source.my\_array.splice(index, 1) > > Everything I try returns me 'Cannot call property %method\_name% in object > null. It is not a function, it is "undefined"', even though I can > iterate over the array and set values by index, i.e: > ctx.\_source.my\_array[index] = some\_doc; > > Can anybody help me, please? -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![Rauan\_Maemirov](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/rauan_maemirov/32/826_2.png) [@Rauan\_Maemirov](https://discuss.elastic.co/u/Rauan_Maemirov)\ **Post date:** [May 13, 2013, 6:03am UTC](https://discuss.elastic.co/t/scripting-nested-docs-array-with-javascript-plugin/8404/3 "2013-05-13T06:03:57Z")
Hi, Kai. Yeah, I ended up iterating and adding value by index. 2013/5/13 Kai Cherry [rnsksoft@gmail.com](mailto:rnsksoft@gmail.com) > I am having the exact same issue. Did you ever resolve it? > > -K > > On Friday, July 13, 2012 1:46:09 AM UTC-7, Rauan Maemirov wrote: > > > Hey, all. I'm tired of dealing with mvel, and moved to scripting with > > javascript. > > The issue is that I cannot use simple array functions, even like push to > > push an element to the end of array. > > > > Here's an exception that I'm getting when tried to splice element by > > index from the array of nested docs: > > { > > "error" : " **ElasticSearchIllegalArgumentEx** ception[failed to execute > > script]; nested: EcmaError[TypeError: Cannot call property splice in object > > null. It is not a function, it is "undefined". (Script1.js#1)]; ", > > "status" : 400 > > } > > > > ctx.\_source.my\_array.splice(\*\*index, 1) > > > > Everything I try returns me 'Cannot call property %method\_name% in object > > null. It is not a function, it is "undefined"', even though I can > > iterate over the array and set values by index, i.e: > > ctx.\_source.my\_array[index] = some\_doc; > > > > Can anybody help me, please? > > -- > You received this message because you are subscribed to a topic in the > Google Groups "elasticsearch" group. > To unsubscribe from this topic, visit > [https://groups.google.com/d/topic/elasticsearch/7ekxjyUjtH8/unsubscribe?hl=en-US](https://groups.google.com/d/topic/elasticsearch/7ekxjyUjtH8/unsubscribe?hl=en-US) > . > To unsubscribe from this group and all its topics, send an email to > [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). > For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [July 6, 2017, 2:37am UTC](https://discuss.elastic.co/t/scripting-nested-docs-array-with-javascript-plugin/8404/4 "2017-07-06T02:37:00Z")