blocks|key|224573|text|您的服务器是否使用了GCM服务器返回给您的应用程序的新注册ID？如果我试图向旧的C2DM服务器提供的注册ID发送消息，我就遇到了这个问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|224574|还要仔细检查发件人ID和API_KEY，它们必须匹配，否则您将收到MismatchSenderId错误。在Google+API控制台中，查看项目的URL：|224575|https://code.google.com/apis/console/#project:xxxxxxxxxxx|code-block|syntax|javascript|224576|xxxxxxxxx是项目ID，即发送方ID。|224577|并确保API密钥属于'Key+for+server+apps+(with+IP+locking)‘|224578|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|P|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|Q|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|R|8|@]|9|@]|A|$]]|$1|K|3|L|5|6|7|S|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

Did your server use the new registration ID returned by the GCM server to your app? I had this problem, if trying to send a message to registration IDs that are given out by the old C2DM server.

And also double check the Sender ID and API_KEY, they must match or else you will get that MismatchSenderId error. In the Google API Console, look at the URL of your project:

<pre><code>https://code.google.com/apis/console/#project:xxxxxxxxxxx
</code></pre>

The xxxxxxxxx is the project ID, which is the sender ID.

And make sure the API Key belongs to 'Key for server apps (with IP locking)'

blocks|key|224585|text|请在您的终端中运行以下脚本|type|unstyled|depth|inlineStyleRanges|entityRanges|data|224586|curl+-X+POST+\
-H+"Authorization:+key=++write+here+api_key"+\
-H+"Content-Type:+application/json"+\
-d+'{+
"registration_ids":+[+
"write+here+reg_id+generated+by+gcm"
],+
"data":+{+
"message":+"Manual+push+notification+from+Rajkumar"
},
"priority":+"high"
}'+\
https://android.googleapis.com/gcm/send|code-block|syntax|javascript|224587|如果成功或失败，都会给出消息|224588|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

Please run below script in your terminal

<pre><code>curl -X POST \
-H "Authorization: key= write here api_key" \
-H "Content-Type: application/json" \
-d '{ 
"registration_ids": [ 
"write here reg_id generated by gcm"
], 
"data": { 
"message": "Manual push notification from Rajkumar"
},
"priority": "high"
}' \
https://android.googleapis.com/gcm/send
</code></pre>

it will give the message if it is succeeded or failed

blocks|key|219401|text|请使用此处生成的发送者ID和API：http://developers.google.com+(首先浏览Google+Cloud+Messaging，然后按照说明操作)。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|219402|entityMap|0|LINK|mutability|MUTABLE|url|http://developers.google.com/^0|I|S|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

Use sender ID &amp; API Key generated here: <a href="http://developers.google.com" rel="nofollow">http://developers.google.com</a> instead (browse for Google Cloud Messaging first and follow the instruction).

blocks|key|2873389|text|不使用数字ID时出现不匹配。项目ID不是发件人ID!！我花了9个小时才弄明白。对于google造成的所有混淆，请检查以下链接以获取数字id。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2873390|https://console.cloud.google.com|offset|length|2873391|而不是|2873392|https://console.developers.google.com|2873393|希望它能有所帮助！！|2873394|更新：-事情再次发生了变化。现在发送者id是firebase。|2873395|转到https://console.firebase.google.com并选择您的项目。在settings+->+cloud+messaging下，您可以找到发件人id。|2873396|而且它起作用了！|2873397|entityMap|0|LINK|mutability|MUTABLE|url|https://console.cloud.google.com/|1|https://console.developers.google.com/|2|https://console.firebase.google.com/^0|0|0|W|0|0|0|0|11|1|0|0|0|2|Z|2|0|0^^$0|@$1|2|3|4|5|6|7|13|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|14|8|@]|9|@$D|15|E|16|1|17]]|A|$]]|$1|F|3|G|5|6|7|18|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|19|8|@]|9|@$D|1A|E|1B|1|1C]]|A|$]]|$1|J|3|K|5|6|7|1D|8|@]|9|@]|A|$]]|$1|L|3|M|5|6|7|1E|8|@]|9|@]|A|$]]|$1|N|3|O|5|6|7|1F|8|@]|9|@$D|1G|E|1H|1|1I]]|A|$]]|$1|P|3|Q|5|6|7|1J|8|@]|9|@]|A|$]]|$1|R|3|-4|5|6|7|1K|8|@]|9|@]|A|$]]]|S|$T|$5|U|V|W|A|$X|Y]]|Z|$5|U|V|W|A|$X|10]]|11|$5|U|V|W|A|$X|12]]]]

Mismatch happens when you don't use the numeric ID. Project ID IS NOT SENDER ID!! It took me 9 hours to figure this out. For all the confusion created by google, check the following link to get numeric id. 

<a href="https://console.cloud.google.com" rel="noreferrer">https://console.cloud.google.com</a>

instead of

<a href="https://console.developers.google.com" rel="noreferrer">https://console.developers.google.com</a>

Hope it helps!!

Update:-
Things have changed again. Now the sender id is with firebase.

Go to <a href="https://console.firebase.google.com" rel="noreferrer">https://console.firebase.google.com</a> and select your project. Under settings -> cloud messaging, you can find the sender id.

And it works!

blocks|key|224649|text|如果使用原生安卓系统，请检查AndroidMaifest.xml文件：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|224650|<meta-data
++++++++android:name="onesignal_google_project_number"
++++++++android:value="str:1234567890"+/>++
++|code-block|syntax|javascript|224651|相反，|224652|+++<meta-data
++++++++android:name="onesignal_google_project_number"
++++++++android:value="@string/google_project_number"+/>|224653|希望它能有所帮助！！|224654|entityMap^0|E|I|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@$9|T|A|U|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|V|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|W|8|@]|D|@]|E|$]]|$1|M|3|N|5|H|7|X|8|@]|D|@]|E|$I|J]]|$1|O|3|P|5|6|7|Y|8|@]|D|@]|E|$]]|$1|Q|3|-4|5|6|7|Z|8|@]|D|@]|E|$]]]|R|$]]

If use for native Android, check your <code>AndroidMaifest.xml</code> file:

<pre><code>&lt;meta-data
 android:name="onesignal_google_project_number"
 android:value="str:1234567890" /&gt; 
 &lt;!-- its is correct. --&gt;
</code></pre>

instead

<pre><code> &lt;meta-data
 android:name="onesignal_google_project_number"
 android:value="@string/google_project_number" /&gt;
</code></pre>

Hope it helps!!

blocks|key|224662|text|我最近遇到了同样的问题，我根据项目ID尝试了不同的"gcm_sender_id“值。但是，"gcm_sender_id”值必须设置为"Project+Number“。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|224663|您可以在以下位置找到此值:菜单>+IAM+&+Admin+>设置。|224664|查看屏幕截图：GCM+Project+Number|offset|length|224665|entityMap|0|LINK|mutability|MUTABLE|url|http://i.stack.imgur.com/NYppS.png^0|0|0|7|I|0|0^^$0|@$1|2|3|4|5|6|7|P|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|Q|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|R|8|@]|9|@$F|S|G|T|1|U]]|A|$]]|$1|H|3|-4|5|6|7|V|8|@]|9|@]|A|$]]]|I|$J|$5|K|L|M|A|$N|O]]]]

I encountered the same issue recently and I tried different values for "gcm_sender_id" based on the project ID. However, the "gcm_sender_id" value must be set to the "Project Number".

You can find this value under: Menu > IAM &amp; Admin > Settings.

See screenshot: <a href="http://i.stack.imgur.com/NYppS.png" rel="nofollow">GCM Project Number</a>

blocks|key|219441|text|InstanceID.getInstance(getApplicationContext()).getToken(authorizedEntity,scope)|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|219442|authorizedEntity为服务器的项目号|unstyled|219443|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$B|C]]|$1|D|3|E|5|F|7|J|8|@]|9|@]|A|$]]|$1|G|3|-4|5|F|7|K|8|@]|9|@]|A|$]]]|H|$]]

<pre><code>InstanceID.getInstance(getApplicationContext()).getToken(authorizedEntity,scope)
</code></pre>

authorizedEntity is the project number of the server

blocks|key|219462|text|您的android应用程序需要更正12位数字id+(也称为GCM项目编号)。如果这个12位数不正确，那么您也会得到这个错误。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|219463|这个12位数的数字可以在您的Google+Play控制台上的特定应用程序‘服务和应用编程接口’->‘链接发件人IDS’下找到|219464|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

Your android app needs to correct 12-digit number id (aka GCM Project Number). If this 12-digit number is incorrect, then you will also get this error.

This 12-digit number is found in your Google Play Console under your specific app, 'Service &amp; API' -> 'LINKED SENDER IDS'

blocks|key|2873513|text|当服务器密钥和Sender+ID+parameters+HTTP请求彼此不匹配时，就会发生这种情况。基本上，服务器ID和服务器密钥必须属于同一个firebase项目。请参考下图。如果将来自不同Firebase项目的这些参数混合在一起，将导致错误MismatchSenderId|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|2873514|📷|atomic|2873515|​|2873516|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/9c4ba3f6cce19a35b29df93046bcf3b9.png|imageAlt^0|1|5|8|8|3E|G|0|0|1|0|0|0^^$0|@$1|2|3|4|5|6|7|T|8|@$9|U|A|V|B|C]|$9|W|A|X|B|C]|$9|Y|A|Z|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|10|8|@]|D|@$9|11|A|12|1|13]]|E|$]]|$1|I|3|J|5|6|7|14|8|@]|D|@]|E|$]]|$1|K|3|-4|5|6|7|15|8|@]|D|@]|E|$]]]|L|$M|$5|N|O|P|E|$Q|R|S|-4]]]]

This happens when the Server key and Sender ID parameters HTTP request do not match each other. Basically both server ID and Server key must belong to the same firebase project. Please refer to the below image. In case of mixing these parameters from deferent Firebase projects will cause error MismatchSenderId
<a href="https://i.stack.imgur.com/9klEB.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/9klEB.png" alt="enter image description here"></a>

blocks|key|3087389|text|检查你的安卓项目的app文件夹中的google-services.json文件。如果您不确定，请从Firebase控制台生成一个新的。我在两种情况下得到了这个错误。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|3087390|3087391|我使用了一个带有测试应用程序(包含正确的google-services.json文件)的测试Firebase项目。然后我尝试向另一个应用程序发送推送通知，得到了这个错误('"+error+"："MismatchSenderId"')。据我所知，第二个应用程序绑定到另一个具有不同google-services.json的Firebase项目。由于服务器密钥不同，请求应该重写。|ordered-list-item|3087392|我更改了应用程序中的google-services.json，因为我想用实际的项目替换测试Firebase项目。我生成了正确的google-services.json文件，更改了请求，但一直收到此错误。第二天，它自己修好了。我怀疑Firebase不会更新synchronously.|3087393|3087394|要获取请求的服务器密钥，请打开https://console.firebase.google.com并选择适当的项目。|3087395|​|3087396|📷|atomic|3087397|3087398|然后将其粘贴到请求中。|3087399|3087400|3087401|3087402|entityMap|0|LINK|mutability|MUTABLE|url|https://console.firebase.google.com/|1|IMAGE|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/d197f6dd93244c10ade8835070978eaf.png|imageAlt|2|https://ask.qcloudimg.com/http-save/yehe-900000/8d0a900aff33d671116b962509e0f032.png^0|9|3|H|K|0|0|K|K|3V|K|0|A|K|1R|K|0|0|F|Z|0|0|0|0|1|1|0|0|0|0|0|1|2|0|0^^$0|@$1|2|3|4|5|6|7|1F|8|@$9|1G|A|1H|B|C]|$9|1I|A|1J|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|1K|8|@]|D|@]|E|$]]|$1|G|3|H|5|I|7|1L|8|@$9|1M|A|1N|B|C]|$9|1O|A|1P|B|C]]|D|@]|E|$]]|$1|J|3|K|5|I|7|1Q|8|@$9|1R|A|1S|B|C]|$9|1T|A|1U|B|C]]|D|@]|E|$]]|$1|L|3|-4|5|6|7|1V|8|@]|D|@]|E|$]]|$1|M|3|N|5|6|7|1W|8|@]|D|@$9|1X|A|1Y|1|1Z]]|E|$]]|$1|O|3|P|5|6|7|20|8|@]|D|@]|E|$]]|$1|Q|3|R|5|S|7|21|8|@]|D|@$9|22|A|23|1|24]]|E|$]]|$1|T|3|P|5|6|7|25|8|@]|D|@]|E|$]]|$1|U|3|V|5|6|7|26|8|@]|D|@]|E|$]]|$1|W|3|P|5|6|7|27|8|@]|D|@]|E|$]]|$1|X|3|R|5|S|7|28|8|@]|D|@$9|29|A|2A|1|2B]]|E|$]]|$1|Y|3|P|5|6|7|2C|8|@]|D|@]|E|$]]|$1|Z|3|-4|5|6|7|2D|8|@]|D|@]|E|$]]]|10|$11|$5|12|13|14|E|$15|16]]|17|$5|18|13|19|E|$1A|1B|1C|-4]]|1D|$5|18|13|19|E|$1A|1E|1C|-4]]]]

Check <code>google-services.json</code> file in <code>app</code> folder of your Android project. Generate a new one from Firebase console if you are unsure. I got this error in two cases.

<ol>
<li>I used a test Firebase project with test application (that contained right <code>google-services.json</code> file). Then I tried to send push notification to another application and got this error ('"error": "MismatchSenderId"'). I understood that the second application was bound to another Firebase project with different <code>google-services.json</code>. Because server keys are different, the request should be rewritten.</li>
<li>I changed <code>google-services.json</code> in the application, because I wanted to replace test Firebase project with an actual. I generated right <code>google-services.json</code> file, changed request, but kept receiving this error. On the next day it fixed itself. I suspect Firebase doesn't update synchronously.</li>
</ol>

To get a server key for the request, open <a href="https://console.firebase.google.com" rel="nofollow noreferrer">https://console.firebase.google.com</a> and select an appropriate project.

<a href="https://i.stack.imgur.com/f7yLf.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/f7yLf.png" alt="enter image description here"></a>

Then paste it in the request.

<a href="https://i.stack.imgur.com/EV2lT.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/EV2lT.png" alt="enter image description here"></a>

blocks|key|2873606|text|随着GCM的弃用和API的移除，如果您在2019年5月29日之后尝试使用GCM，您可能会看到MismatchSenderId。有关更多详细信息，请参阅the+Google+GCM+and+FCM+FAQ。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|2873607|entityMap|0|LINK|mutability|MUTABLE|url|https://developers.google.com/cloud-messaging/faq^0|23|Q|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

With the deprecation of GCM and removal of its APIs, it appears that you could see MismatchSenderId if you try to use GCM after May 29, 2019. See <a href="https://developers.google.com/cloud-messaging/faq" rel="nofollow noreferrer">the Google GCM and FCM FAQ</a> for more details.

I'm trying to create a push service for my Android app, and I follow Google GCM's documentation and example for this matter:

I can register/unregister my Android app. From my server side, I can see that I have one subscription registered, but when I try to send a message from server to my Android app I always get following error:

<blockquote>
 Error sending message to device #0: MismatchSenderId
</blockquote>

For my Android app, I use SENDER_ID = 200000000001.

And for my server side as Google says I use API_KEY = AIzxxxxxxxxxxxxxxxxXxxXxxXxxxXXXXXxxxxs

I followed this document: 

<blockquote>
 <a href="http://developer.android.com/guide/google/gcm/demo.html" rel="noreferrer">http://developer.android.com/guide/google/gcm/demo.html</a>
</blockquote>

I've enabled GCM in my Google API panel too, yet I'll get that annoying error message.

How can I fix this problem?

Why do I get "MismatchSenderId" from GCM server side?

服务器

Android

我正在尝试为我的Android应用程序创建一个推送服务，我遵循了Google GCM的文档和示例：我可以注册/注销我的Android应用程序。在我的服务器端，我可以看到我注册了一个订阅，但当我尝试从服务器向我的Android应用程序发送消息时，我总是收到以下错误：向设备#0发送消息时出现错误: MismatchSend...

问为什么我从GCM服务器端得到"MismatchSenderId“？
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问为什么我从GCM服务器端得到"MismatchSenderId“？
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