any easy way to enable debug of zabbix sender?

[BlueShells]

All I got is:
{"failed": 1, "chunk": 1, "total": 1, "processed": 0, "time": "0.000105"}
how can I enable debug mode and find out why it is failed ?

[maksim77]

Unfortunately this is imposible. Sender only show your response from Zabbix server. Your must see logs on them.