![Error while executing painless script : Cannot invoke \"Object.getClass()\" because \"receiver\" is null". Same script is working fine in Dev tools - Elasticsearch - Discuss the Elastic Stack Error while executing painless script : Cannot invoke \"Object.getClass()\" because \"receiver\" is null". Same script is working fine in Dev tools - Elasticsearch - Discuss the Elastic Stack](https://global.discourse-cdn.com/elastic/original/3X/0/a/0a0561c3001bc21113c6d2beef2765fb2efdfc83.png)
Error while executing painless script : Cannot invoke \"Object.getClass()\" because \"receiver\" is null". Same script is working fine in Dev tools - Elasticsearch - Discuss the Elastic Stack
![Elastic on X: "ICYMI: Learn about Painless, #Elasticsearch's secure scripting language. Guiding principles, features, & more: https://t.co/KFtYwUpJqe https://t.co/jBGDeyMLNv" / X Elastic on X: "ICYMI: Learn about Painless, #Elasticsearch's secure scripting language. Guiding principles, features, & more: https://t.co/KFtYwUpJqe https://t.co/jBGDeyMLNv" / X](https://pbs.twimg.com/media/C90UPqMU0AQfjnL.jpg)
Elastic on X: "ICYMI: Learn about Painless, #Elasticsearch's secure scripting language. Guiding principles, features, & more: https://t.co/KFtYwUpJqe https://t.co/jBGDeyMLNv" / X
![elasticsearch - How do I pass Parent Aggregation key to Child Aggregation Painless Script in Elastic search DSL Query? - Stack Overflow elasticsearch - How do I pass Parent Aggregation key to Child Aggregation Painless Script in Elastic search DSL Query? - Stack Overflow](https://i.stack.imgur.com/05ZQj.png)
elasticsearch - How do I pass Parent Aggregation key to Child Aggregation Painless Script in Elastic search DSL Query? - Stack Overflow
![Elastic on X: "Painless #Elasticsearch scripting language webinar starts in 30min! Watch live+Join Q&A #elastic-webinar on Freenode https://t.co/utUwe0MwuU https://t.co/SXLVi2VwbD" / X Elastic on X: "Painless #Elasticsearch scripting language webinar starts in 30min! Watch live+Join Q&A #elastic-webinar on Freenode https://t.co/utUwe0MwuU https://t.co/SXLVi2VwbD" / X](https://pbs.twimg.com/media/C9ySTl5UAAE9doQ.jpg)
Elastic on X: "Painless #Elasticsearch scripting language webinar starts in 30min! Watch live+Join Q&A #elastic-webinar on Freenode https://t.co/utUwe0MwuU https://t.co/SXLVi2VwbD" / X
![5.6 script_fields painless extract ipaddress then aggregate - Elasticsearch - Discuss the Elastic Stack 5.6 script_fields painless extract ipaddress then aggregate - Elasticsearch - Discuss the Elastic Stack](https://global.discourse-cdn.com/elastic/original/3X/6/f/6f444c34fb63ac3393a9110c28b059fe5dc582dd.png)