# Update or remove object from array not working in elastic search
**URL:** https://discuss.elastic.co/t/update-or-remove-object-from-array-not-working-in-elastic-search/20132
**Category:** Elasticsearch
**Created:** [October 8, 2014, 7:18am UTC](https://discuss.elastic.co/t/update-or-remove-object-from-array-not-working-in-elastic-search/20132 "2014-10-08T07:18:50Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@Rajit\_Garg](https://discuss.elastic.co/u/Rajit_Garg)
#### Post date: [October 8, 2014, 7:18am UTC](https://discuss.elastic.co/t/update-or-remove-object-from-array-not-working-in-elastic-search/20132/1 "2014-10-08T07:18:50Z")
_I have read the nested docs and create mapping and get mapping as follow_
"fields": {
"type": "nested",
"properties": {
"\_id": {
"type": "string"
},
"name": {
"type": "string"
}
}
}
_where fields is my array contain the following_
"fields": [
{
"\_id": "1",
"name": "naveen"
},
{
"\_id": "2",
"name": "rajit"
},
{
"\_id": "3",
"name": "ashu"
}
]
_I want to update and remove object from this array, and I am doing this,_
client.update({"index": "daffosw","type": "daffo","id": "2501","body": {
"script" : "for (int i = 0; i \< ctx.\_source.fields.size(); i++){
if(ctx.\_source.fields[i]\_id == id){
ctx.\_source.fields[i].name = 'Updated John';
}
}",
"params" : {
"id" : "1"
}
}}
_and I am getting this error_
VerifyError[Bad type on operand stack
Exception Details:
Location:
ASMAccessorImpl\_18539991071412750271920.getValue(Ljava/lang/Object;Ljava/lang/Object;Lorg/elasticsearch/common/mvel2/integration/VariableResolverFactory;)Ljava/lang/Object;
@49: invokeinterface
Reason:
Type 'java/lang/Object' (current frame, stack[1]) is not assignable to
integer
Current Frame:
bci: @49
flags: { }
locals: { 'ASMAccessorImpl\_18539991071412750271920',
'java/lang/Object', 'java/lang/Object',
'org/elasticsearch/common/mvel2/integration/VariableResolverFactory' }
stack: { 'java/util/List', 'java/lang/Object' }............
.............................................................
.........................................................
_then I have tried this_
client.update({"index": "daffosw","type": "daffo","id": "2501","body": {
"script" : "for (int i = 0; i \< ctx.\_source.fields.size(); i++){
if(ctx.\_source.fields[i]\_id == id){
ctx.\_source.fields.remove(i);
}
}",
"params" : {
"id" : "1"
}
}}
_and this is giving the same type of error_
_then I have tried_
client.update({"index": "daffosw","type": "daffo","id": "2501","body": {
"script" : "for (element : doc['fields'].values){
if(element.\_id == id){
element.name = 'Updated John';
}
}",
"params" : {
"id" : "1"
}
}}
_which gives this error_
_elasticsearchIllegalArgumentException[failed to execute script]; nested:
PropertyAccessException[[Error: unresolvable property or identifier: doc]_
please help....
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### Author:  [@Rajit\_Garg](https://discuss.elastic.co/u/Rajit_Garg)
#### Post date: [October 8, 2014, 11:35am UTC](https://discuss.elastic.co/t/update-or-remove-object-from-array-not-working-in-elastic-search/20132/2 "2014-10-08T11:35:42Z")
Hey
I figured it out, I am able to update but I am not able to remove object
that satisfies the condition
PUT twitter/twit/1
{
"list": [
{
"tweet\_id": "1",
"a": "b"
},
{
"tweet\_id": "123",
"a": "f"
}
]
}
POST /twitter/twit/1/\_update
{
"script": "foreach (item : ctx.\_source.list) {if (item['tweet\_id'] ==
tweet\_id) { item['new\_field'] = 'ghi'; } }",
"params": {
"tweet\_id": "123"
}
}
this is working
for remove i am doing this
POST /twitter/twit/1/\_update
{
"script": "foreach (item : ctx.\_source.list) {if (item['tweet\_id'] ==
tweet\_id) {ctx.\_source.list.remove(item); } }",
"params": {
"tweet\_id": "123"
}
}
but this is not working and giving this error,
ElasticsearchIllegalArgumentException[failed to execute script]; nested:
ConcurrentModificationException;
Error: ElasticsearchIllegalArgumentException[failed to execute script];
nested: ConcurrentModificationException;
..................................
...............................
please help........
On Wednesday, October 8, 2014 12:48:50 PM UTC+5:30, Rajit Garg wrote:
> _I have read the nested docs and create mapping and get mapping as follow_
>
> "fields": {
> "type": "nested",
> "properties": {
> "\_id": {
> "type": "string"
> },
> "name": {
> "type": "string"
> }
> }
> }
>
> _where fields is my array contain the following_
>
> "fields": [
> {
> "\_id": "1",
> "name": "naveen"
> },
> {
> "\_id": "2",
> "name": "rajit"
> },
> {
> "\_id": "3",
> "name": "ashu"
> }
> ]
>
> _I want to update and remove object from this array, and I am doing this,_
>
> client.update({"index": "daffosw","type": "daffo","id": "2501","body": {
> "script" : "for (int i = 0; i \< ctx.\_source.fields.size(); i++){
> if(ctx.\_source.fields[i]\_id == id){
> ctx.\_source.fields[i].name = 'Updated John';
> }
> }",
> "params" : {
> "id" : "1"
> }
> }}
>
> _and I am getting this error_
>
> VerifyError[Bad type on operand stack
> Exception Details:
> Location:
>
> ASMAccessorImpl\_18539991071412750271920.getValue(Ljava/lang/Object;Ljava/lang/Object;Lorg/elasticsearch/common/mvel2/integration/VariableResolverFactory;)Ljava/lang/Object;
> @49: invokeinterface
> Reason:
> Type 'java/lang/Object' (current frame, stack[1]) is not assignable to
> integer
> Current Frame:
> bci: @49
> flags: { }
> locals: { 'ASMAccessorImpl\_18539991071412750271920',
> 'java/lang/Object', 'java/lang/Object',
> 'org/elasticsearch/common/mvel2/integration/VariableResolverFactory' }
> stack: { 'java/util/List', 'java/lang/Object' }............
> .............................................................
> .........................................................
>
> _then I have tried this_
>
> client.update({"index": "daffosw","type": "daffo","id": "2501","body": {
> "script" : "for (int i = 0; i \< ctx.\_source.fields.size(); i++){
> if(ctx.\_source.fields[i]\_id == id){
> ctx.\_source.fields.remove(i);
> }
> }",
> "params" : {
> "id" : "1"
> }
> }}
>
> _and this is giving the same type of error_
>
> _then I have tried_
>
> client.update({"index": "daffosw","type": "daffo","id": "2501","body": {
> "script" : "for (element : doc['fields'].values){
> if(element.\_id == id){
> element.name = 'Updated John';
> }
> }",
> "params" : {
> "id" : "1"
> }
> }}
>
> _which gives this error_
>
> _elasticsearchIllegalArgumentException[failed to execute script]; nested:
> PropertyAccessException[[Error: unresolvable property or identifier: doc]_
>
> please help....
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---
### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 6, 2017, 12:57am UTC](https://discuss.elastic.co/t/update-or-remove-object-from-array-not-working-in-elastic-search/20132/3 "2017-07-06T00:57:42Z")