github-actions[bot] commented on issue #17912:
URL: 
https://github.com/apache/dolphinscheduler/issues/17912#issuecomment-3809179822

   ### Search before asking
   
   - [x] I had searched in the 
[issues](https://github.com/apache/dolphinscheduler/issues?q=is%3Aissue) and 
found no similar issues.
   
   
   ### What happened
   
   The original HTTP plugin cannot send JSON nested types. For example, the 
HTTP plugin can only send JSON like {"msgtype": "text", "content": "test"}, but 
cannot send JSON like {"msgtype": "text", "text": {"content": "test"}}.
   
   ```shell
   java.lang.IllegalArgumentException: Parse json: {"msgtype":"text", 
"text":{"content":"测试"}} to type: java.util.Map<java.lang.String, 
java.lang.String> failed
           at 
org.apache.dolphinscheduler.common.utils.JSONUtils.parseObject(JSONUtils.java:295)
           at 
org.apache.dolphinscheduler.common.utils.JSONUtils.toMap(JSONUtils.java:251)
           at 
org.apache.dolphinscheduler.plugin.alert.http.HttpSender.paramsValidator(HttpSender.java:72)
           at 
org.apache.dolphinscheduler.plugin.alert.http.HttpSender.<init>(HttpSender.java:51)
           at 
org.apache.dolphinscheduler.plugin.alert.http.HttpAlertChannel.process(HttpAlertChannel.java:37)
 
           at 
org.apache.dolphinscheduler.alert.service.AbstractEventSender.syncTestSend(AbstractEventSender.java:166)
           at 
org.apache.dolphinscheduler.alert.rpc.AlertOperatorImpl.sendTestAlert(AlertOperatorImpl.java:52)
           at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
           at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
           at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
           at java.lang.reflect.Method.invoke(Method.java:498)
           at 
org.apache.dolphinscheduler.extract.base.server.ServerMethodInvokerImpl.invoke(ServerMethodInvokerImpl.java:47)
           at 
org.apache.dolphinscheduler.extract.base.server.JdkDynamicServerHandler.lambda$processReceived$0(JdkDynamicServerHandler.java:117)
           at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
           at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
           at java.lang.Thread.run(Thread.java:748)
   Caused by: com.fasterxml.jackson.databind.exc.MismatchedInputException: 
Cannot deserialize value of type `java.lang.String` from Object value (token 
`JsonToken.START_OBJECT`)
    at [Source: (String)"{"msgtype":"text", "text":{"content":"测试"}}"; line: 1, 
column: 27] (through reference chain: java.util.LinkedHashMap["text"])
           at 
com.fasterxml.jackson.databind.exc.MismatchedInputException.from(MismatchedInputException.java:59)
           at 
com.fasterxml.jackson.databind.DeserializationContext.reportInputMismatch(DeserializationContext.java:1741)
           at 
com.fasterxml.jackson.databind.DeserializationContext.handleUnexpectedToken(DeserializationContext.java:1515)
           at 
com.fasterxml.jackson.databind.DeserializationContext.handleUnexpectedToken(DeserializationContext.java:1420)
           at 
com.fasterxml.jackson.databind.DeserializationContext.extractScalarFromObject(DeserializationContext.java:932)
           at 
com.fasterxml.jackson.databind.deser.std.StringDeserializer.deserialize(StringDeserializer.java:62)
           at 
com.fasterxml.jackson.databind.deser.std.StringDeserializer.deserialize(StringDeserializer.java:11)
           at 
com.fasterxml.jackson.databind.deser.std.MapDeserializer._readAndBindStringKeyMap(MapDeserializer.java:609)
           at 
com.fasterxml.jackson.databind.deser.std.MapDeserializer.deserialize(MapDeserializer.java:437)
           at 
com.fasterxml.jackson.databind.deser.std.MapDeserializer.deserialize(MapDeserializer.java:32)
           at 
com.fasterxml.jackson.databind.deser.DefaultDeserializationContext.readRootValue(DefaultDeserializationContext.java:323)
           at 
com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:4674)
           at 
com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:3629)
           at 
com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:3612)
           at 
org.apache.dolphinscheduler.common.utils.JSONUtils.parseObject(JSONUtils.java:293)
           ... 15 common frames omitted
   ```
   
   ### What you expected to happen
   
   The generic type of 
`org.apache.dolphinscheduler.plugin.alert.http.HttpSender#bodyParams` in the 
HTTP plugin is Map<String, String>, and the nested body of JSON cannot be 
parsed using `JSONUtils.toMap`
   
   ### How to reproduce
   
   Send a nested JSON using the HTTP component. Example of sending: {"msgtype": 
"text", "text": {"content": "test"}}
   <img width="750" height="617" alt="Image" 
src="https://github.com/user-attachments/assets/ad7227dc-7368-444b-b988-a3cf803fcead";
 />
   
   ### Anything else
   
   _No response_
   
   ### Version
   
   3.3.0-alpha
   
   ### Are you willing to submit PR?
   
   - [x] Yes I am willing to submit a PR!
   
   ### Code of Conduct
   
   - [x] I agree to follow this project's [Code of 
Conduct](https://www.apache.org/foundation/policies/conduct)


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