[Fix-17912] Fix http plugin cannot send json nested types

[Alexander1902]

Purpose of the pull request

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"}}.

fix #17912

Brief change log

Modify the type of org.apache.dolphinscheduler.plugin.alert.http.HttpSender#bodyParams to Map<String, Object>

Verify this pull request

Modify the previous log

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

Log after modification

[INFO] 2026-01-27 19:35:49.761 +0800 org.apache.dolphinscheduler.plugin.alert.http.HttpSender:[166] - sending http alert post request, url: https://qyapi.weixin.qq.com/cgi-bin/webhook/send?key=ea529f1d-f509-4af5-a83e-76d9d642d6bf, header: {Content-Type=application/json}, requestBody: {msgtype=text, text={content=测试}}, contentType: application/json,timeout:1200000

You can now send Http messages normally

Pull Request Notice

Pull Request Notice

If your pull request contains incompatible change, you should also add it to docs/docs/en/guide/upgrade/incompatible.md

[boring-cyborg]

Thanks for opening this pull request! Please check out our contributing guidelines. (https://github.com/apache/dolphinscheduler/blob/dev/docs/docs/en/contribute/join/pull-request.md)

[SbloodyS]

Thanks for opening this pull request! Please check out our contributing guidelines. (https://github.com/apache/dolphinscheduler/blob/dev/docs/docs/en/contribute/join/pull-request.md)

Please follow the pull request notice and create an issue first.

[SbloodyS]

Please run mvn spotless:apply to format the code. @Alexander1902

[sonarqubecloud]

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[SbloodyS]

LGTM

[ruanwenjun]

LGTM

[boring-cyborg]

Awesome work, congrats on your first merged pull request!