# Null\_pointer\_exception 500 error
**URL:** https://discuss.elastic.co/t/null-pointer-exception-500-error/102534
**Category:** Elasticsearch
**Created:** [October 3, 2017, 9:08am UTC](https://discuss.elastic.co/t/null-pointer-exception-500-error/102534 "2017-10-03T09:08:33Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@doshi\_darshan](https://discuss.elastic.co/u/doshi_darshan)
#### Post date: [October 3, 2017, 9:08am UTC](https://discuss.elastic.co/t/null-pointer-exception-500-error/102534/1 "2017-10-03T09:08:33Z")
I am getting below error in Heroku when i deployed my code. Please help me
Heroku Redis : Redis Premium 0
\<- 500
{
2017-10-03T07:51:58.485013+00:00 app[web.2]: "error": {
2017-10-03T07:51:58.485014+00:00 app[web.2]: "root\_cause": [
2017-10-03T07:51:58.485014+00:00 app[web.2]: {
2017-10-03T07:51:58.485015+00:00 app[web.2]: "type": "null\_pointer\_exception",
2017-10-03T07:51:58.485015+00:00 app[web.2]: "reason": null
2017-10-03T07:51:58.485016+00:00 app[web.2]: }
2017-10-03T07:51:58.485016+00:00 app[web.2]: ],
2017-10-03T07:51:58.485017+00:00 app[web.2]: "type": "null\_pointer\_exception",
2017-10-03T07:51:58.485018+00:00 app[web.2]: "reason": null
2017-10-03T07:51:58.485018+00:00 app[web.2]: },
2017-10-03T07:51:58.485019+00:00 app[web.2]: "status": 500
2017-10-03T07:51:58.485020+00:00 app[web.2]: }
2017-10-03T07:51:58.485020+00:00 app[web.2]:
2017-10-03T07:51:58.485257+00:00 app[web.2]: Elasticsearch DEBUG: 2017-10-03T07:51:58Z
2017-10-03T07:51:58.485259+00:00 app[web.2]: Request complete
2017-10-03T07:51:58.485260+00:00 app[web.2]:
2017-10-03T07:51:58.490556+00:00 app[web.2]: error: error: {"msg":"[null\_pointer\_exception] null","path":"/\_bulk","query":{},"body":"","statusCode":500,"response":"{"error":{"root\_cause":[{"type":"null\_pointer\_exception","reason":null}],"type":"null\_pointer\_exception","reason":null},"status":500}"} module=indexer.js
Setting for my indexer is below : [https://BONSAI](https://BONSAI) URL/searchindex/item/\_settings
{
"analysis": {
"char\_filter": {
"replace": {
"type": "mapping",
"mappings": [
"&=\> and "
]
}
},
"filter": {
"word\_delimiter" : {
"type" : "word\_delimiter",
"split\_on\_numerics" : false,
"split\_on\_case\_change" : true,
"generate\_word\_parts" : true,
"generate\_number\_parts" : true,
"catenate\_all" : true,
"preserve\_original":true,
"catenate\_numbers":true
}
},
"analyzer": {
"default": {
"type": "custom",
"char\_filter": [
"html\_strip",
"replace"
],
"tokenizer": "whitespace",
"filter": [
"lowercase",
"word\_delimiter"
]
}
}
}
}
Mapping for my indexer :
[https://BONSAI](https://BONSAI) URL/searchindex/item/\_mapping
{
"analysis": {
"char\_filter": {
"replace": {
"type": "mapping",
"mappings": [
"&=\> and "
]
}
},
"filter": {
"word\_delimiter" : {
"type" : "word\_delimiter",
"split\_on\_numerics" : false,
"split\_on\_case\_change" : true,
"generate\_word\_parts" : true,
"generate\_number\_parts" : true,
"catenate\_all" : true,
"preserve\_original":true,
"catenate\_numbers":true
}
},
"analyzer": {
"default": {
"type": "custom",
"char\_filter": [
"html\_strip",
"replace"
],
"tokenizer": "whitespace",
"filter": [
"lowercase",
"word\_delimiter"
]
}
}
}
}
---
### Author:  [@dadoonet](https://discuss.elastic.co/u/dadoonet)
#### Post date: [October 3, 2017, 1:39pm UTC](https://discuss.elastic.co/t/null-pointer-exception-500-error/102534/2 "2017-10-03T13:39:40Z")
Please format your code using `` icon as explained in [this guide](https://discuss.elastic.co/t/about-the-elasticsearch-category/21). It will make your post more readable.
Or use markdown style like:
````
```
CODE
```
````
Your application is sending empty bulk request apparently. You need to fix your code I believe.
---
### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [October 31, 2017, 1:40pm UTC](https://discuss.elastic.co/t/null-pointer-exception-500-error/102534/3 "2017-10-31T13:40:17Z")
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