发起对话接口，处理http 400异常报错

Bắt đầu tại com.coze.openapi.service.service.common.AbstractEventCallback.onResponse, dòng 43, nơi response được phân tích. Tái hiện response 400 từ initiate-conversation API và kiểm tra cách errorStr được xử lý khi nó không phải là JSON. Được xem là hoàn tất khi lý do lỗi HTTP 400 ban đầu được trả về thay vì một JsonParseException.

com.fasterxml.jackson.core.JsonParseException: Unrecognized token 'missing': was expecting ('true', 'false' or 'null')
at [Source: missing required Host header; line: 1, column: 8]
at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1702) ~[jackson-core-2.8.10.jar!/:2.8.10]
at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:558) ~[jackson-core-2.8.10.jar!/:2.8.10]
at com.fasterxml.jackson.core.json.ReaderBasedJsonParser._reportInvalidToken(ReaderBasedJsonParser.java:2839) ~[jackson-core-2.8.10.jar!/:2.8.10]
at com.fasterxml.jackson.core.json.ReaderBasedJsonParser._handleOddValue(ReaderBasedJsonParser.java:1903) ~[jackson-core-2.8.10.jar!/:2.8.10]
at com.fasterxml.jackson.core.json.ReaderBasedJsonParser.nextToken(ReaderBasedJsonParser.java:749) ~[jackson-core-2.8.10.jar!/:2.8.10]
at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3850) ~[jackson-databind-2.8.10.jar!/:2.8.10]
at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:3799) ~[jackson-databind-2.8.10.jar!/:2.8.10]
at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:2858) ~[jackson-databind-2.8.10.jar!/:2.8.10]
at com.coze.openapi.service.service.common.AbstractEventCallback.onResponse(AbstractEventCallback.java:43) ~[coze-api-0.1.6.jar!/:?]
at retrofit2.OkHttpCall$1.onResponse$original$uVqJCFM2(OkHttpCall.java:161) ~[retrofit-2.9.0.jar!/:?]
at retrofit2.OkHttpCall$1.onResponse$original$uVqJCFM2$accessor$2S6hJ1Vv(OkHttpCall.java) ~[retrofit-2.9.0.jar!/:?]
at retrofit2.OkHttpCall$1$auxiliary$uF9zybcp.call(Unknown Source) ~[retrofit-2.9.0.jar!/:?]
at org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.InstMethodsInter.intercept(InstMethodsInter.java:86) ~[skywalking-agent.jar:8.6.0]
at retrofit2.OkHttpCall$1.onResponse(OkHttpCall.java) ~[retrofit-2.9.0.jar!/:?]
at okhttp3.RealCall$AsyncCall.execute$original$bM12vPzc(RealCall.java:174) ~[okhttp-3.14.6.jar!/:?]
at okhttp3.RealCall$AsyncCall.execute$original$bM12vPzc$accessor$WsNoXPUc(RealCall.java) ~[okhttp-3.14.6.jar!/:?]
at okhttp3.RealCall$AsyncCall$auxiliary$USEDluia.call(Unknown Source) ~[okhttp-3.14.6.jar!/:?]
at org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.InstMethodsInter.intercept(InstMethodsInter.java:86) ~[skywalking-agent.jar:8.6.0]
at okhttp3.RealCall$AsyncCall.execute(RealCall.java) ~[okhttp-3.14.6.jar!/:?]
at okhttp3.internal.NamedRunnable.run(NamedRunnable.java:32) ~[okhttp-3.14.6.jar!/:?]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[?:1.8.0_202]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:1.8.0_202]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_202]

怀疑是这里的errorStr并不是json格式，不过你们没打日志，我也不能确定，总之结果就是如果发起对话遇到了http400异常，没有返回我异常原因，而是返回我了一个jsonparse异常。希望尽快处理下吧。