[BUG] qianfan model QwenStreamingChatModel Response Invalid content-type: application/json

[Hwongyohong]

java.lang.IllegalStateException: Invalid content-type: application/json
at okhttp3.internal.sse.RealEventSource.processResponse(RealEventSource.kt:60)
at okhttp3.internal.sse.RealEventSource.onResponse(RealEventSource.kt:46)
at okhttp3.internal.connection.RealCall$AsyncCall.run(RealCall.kt:519)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.base/java.lang.Thread.run(Thread.java:833)

[langchain4j]

@Hwongyohong please provide more information, when does this happen? Please provide code to reproduce.

cc @jiangsier-xyz