ESP32 DevKit WIFI+BLE WebServer POST problem

Upd: I've tried this example and result the same. Each POST increases memory usage and then Web Server not responding.

Google Chrome:

This page isn’t working 10.10.10.100 didn’t send any data.
ERR_EMPTY_RESPONSE

 ____                 _
|  __|___ ___ ___ _ _|_|___ ___
|  __|_ -| . |  _| | | |   | . |
|____|___|  _|_| |___|_|_|_|___|
         |_| espruino.com
 2v00 (c) 2018 G.Williams
Espruino is Open Source. Our work is supported
only by sales of official boards and donations:
http://espruino.com/Donate
>
Connected!
Connect to http://10.10.10.100
WARNING: setsockopt(SO_REUSPORT) failed
{
  "mytext": "Testing"
 }
We got sent the text  Testing
>process.memory();
={ free: 2172, usage: 428, total: 2600, history: 215,
  gc: 0, gctime: 2.224 }
{
  "mytext": "Testing"
 }
We got sent the text  Testing
>
>process.memory();
={ free: 2015, usage: 585, total: 2600, history: 218,
  gc: 0, gctime: 2.324 }
{
  "mytext": "Testing"
 }
We got sent the text  Testing
>process.memory();
={ free: 1858, usage: 742, total: 2600, history: 218,
  gc: 0, gctime: 2.419 }
{
  "mytext": "Testing"
 }
We got sent the text  Testing
>process.memory();
={ free: 1701, usage: 899, total: 2600, history: 218,
  gc: 0, gctime: 2.52 }
{
  "mytext": "Testing"
 }
We got sent the text  Testing
>process.memory();
={ free: 1544, usage: 1056, total: 2600, history: 218,
  gc: 0, gctime: 2.637 }
{
  "mytext": "Testing"
 }
We got sent the text  Testing
>process.memory();
={ free: 1387, usage: 1213, total: 2600, history: 218,
  gc: 0, gctime: 2.863 }
{
  "mytext": "Testing"
 }
We got sent the text  Testing
>process.memory();
={ free: 1230, usage: 1370, total: 2600, history: 218,
  gc: 0, gctime: 2.822 }
{
  "mytext": "Testing"
 }
We got sent the text  Testing
>process.memory();
={ free: 1073, usage: 1527, total: 2600, history: 218,
  gc: 0, gctime: 2.935 }
>