折腾：
期间，继续去尝试用XMPP去实现消息群发。
JEP-0XXX: Simplified Multi-User Chat
xmpp – Can’t send a group message – Error 400 – Modify – BadRequest – Stack Overflow
error code=’400′ type=’modify’ jid-malformed… can’t see what I am doing wrong… | ejabberd
后来发送消息，出错：
<message xmlns="jabber:client" from="[email protected]/user-1f4857d8-5ea8-434e-8e7c-3f8d20f1f2cf" to="[email protected]/9ae7ae89" type="error"><body>To all</body><error code="400" type="modify"><bad-request xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"/></error></message> |
搜：
XMPP 400 type modify bad-request
c# – XMPP Registration is generating 400 bad request error – Stack Overflow
Sending a Message to All Occupants
xmpp – Can’t send a group message – Error 400 – Modify – BadRequest – Stack Overflow
好像是：
由于参考了进入room时发送的Presence的格式，而给group后面加了userID：
[email protected]/user-1f4857d8-5ea8-434e-8e7c-3f8d20f1f2cf
但是这种格式，相当于：
当前用户，给group room内的，对应某个单个用户去发消息了，所以出现官网：
Example 48. Occupant Attempts to Send a Message of Type "Groupchat" to a Particular Occupant
“If the sender attempts to send a private message of type "groupchat" to a particular occupant, the service MUST refuse to deliver the message (since the recipient’s client would expect in-room messages to be of type "groupchat") and return a <bad-request/> error to the sender:
Example 48. Occupant Attempts to Send a Message of Type "Groupchat" to a Particular Occupant
<message
from=‘[email protected]/laptop’
id=‘bx71f29k’
to=‘[email protected]/firstwitch’
type=‘groupchat’>
<body>I’ll give thee a wind.</body></message><message
from=‘[email protected]/firstwitch’
id=‘bx71f29k’
to=‘[email protected]/laptop’
type=‘error’>
<body>I’ll give thee a wind.</body>
<error by=‘[email protected]’ type=‘modify’>
<bad-request xmlns=‘urn:ietf:params:xml:ns:xmpp-stanzas’/>
</error></message>
”
中说的400 bad-request错误
所以：
应该是，group后面不能加userId
结果发送：
<message from="[email protected]" to="[email protected]" type="groupchat"><body>To all</body></message> |
虽然程序收到了：
<message xmlns="jabber:client" from="[email protected]/user-1f4857d8-5ea8-434e-8e7c-3f8d20f1f2cf" to="[email protected]/101f462f" type="groupchat"><body>To all</body></message> |
但是别的客户端中，却没有收到刚发的这个消息
XMPP groupchat client not received
XMPP group chat client not received
#15033 (No received message notification in XMPP group chat) – Pidgin
后来找到原因了：
【总结】
原来是由于测试数据中的不同team下的group的名字一样，
而实际上是不同的group（room）导致我客户端和代码中，虽然都是同样的讨论组名字，但是实际上是不同的讨论组，导致消息互相收不到
－》确保同处于一个group＝＝讨论组＝＝room，则可以正常收到消息了。
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