5 使用paho mqtt遇到mqtt0 的报错

发布于 2021-12-15 15:33:51 浏览：1143 订阅该版

在使用paho mqtt的时候，设备多次通讯后，总是会报错死机。
设备每次通讯的数据基本是一样的，是不是内存溢出了。
请问大家这个什么原因？
应该如何处理？

**MQTT的数据**
```json
{"id":"11896345","tk":"0ee5047164668765a477473c3e329b84","sn":"123112540258","ts":"1639552560","propList":[{"senId":0,"propType":100001,"val":"22.00"},{"senId":0,"propType":100003,"val":"90.00"},{"senId":0,"propType":100002,"val":"4.08"},{"senId":1,"propType":301001,"val":"96.00"},{"senId":1,"propType":301003,"val":"17.53"},{"senId":1,"propType":301004,"val":"0.00"},{"senId":2,"propType":301001,"val":"102.00"},{"senId":2,"propType":301003,"val":"22.28"},{"senId":2,"propType":301004,"val":"0.00"},{"senId":3,"propType":301001,"val":"118.00"},{"senId":3,"propType":301003,"val":"17.23"},{"senId":3,"propType":301004,"val":"0.00"},{"senId":4,"propType":301001,"val":"92.00"},{"senId":4,"propType":301003,"val":"18.06"},{"senId":4,"propType":301004,"val":"0.00"},{"senId":255,"propType":200001,"val":"0"},{"senId":254,"propType":200001,"val":"0"},{"senId":253,"propType":200001,"val":"0"},{"senId":252,"propType":200001,"val":"0"},{"senId":251,"propType":200001,"val":"0"}]}\0
----- mqtt lenth=976 -----
```
**以下是报错信息**
```
psr: 0x01000000
r00: 0x5531cb72
r01: 0x00000000
r02: 0x5531cb73
r03: 0x00000000
r04: 0x00000000
r05: 0x00000033
r06: 0x3130333a
r07: 0x00000400
r08: 0x00000000
r09: 0x0000002c
r10: 0x00006f72
r11: 0x24019838
r12: 0x0804294d
 lr: 0x0800bc65
 pc: 0x08000616
hard fault on thread: mqtt0

thread   pri  status      sp     stack size max used left tick  error
-------- ---  ------- ---------- ----------  ------  ---------- ---
LoraRecD   8  suspend 0x0000041c 0x00002000    21%   0x00000005 000
LoraRecD   8  suspend 0x0000041c 0x00002000    21%   0x0000000c 000
tshell    20  suspend 0x00000104 0x00001000    06%   0x0000000a 000
mqtt0     10  running 0x0000029c 0x00002000    12%   0x00000001 000
wiz        5  suspend 0x00000094 0x00000400    25%   0x0000000b 000
wiz_stat  28  suspend 0x0000008c 0x00000800    16%   0x00000007 000
sim1      30  suspend 0x000000a0 0x00000600    18%   0x00000012 000
at_clnt    9  suspend 0x000000b0 0x00000600    19%   0x00000001 000
sys_work  23  suspend 0x0000005c 0x00000800    56%   0x00000008 000
tidle0    31  ready   0x00000054 0x00000100    32%   0x0000000f 000
timer      4  suspend 0x00000074 0x00000200    22%   0x00000009 000
main      10  suspend 0x0000011c 0x00000800    40%   0x00000008 000
FPU active!
bus fault:
SCB_CFSR_BFSR:0x82 PRECISERR SCB->BFAR:5531CB72
```