Forward: when unpublish crash caused by uninitialized forward connection. v6.0.107 #3914
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Description
A crash occurs when a forward relay connection has not been established and an unpublish event is triggered simultaneously. For instance, if DVR and forward are configured with a specified DVR path that already exists, initiating a stream will trigger a crash.
Objective
Fix the crash caused by the forward mechanism.
Additional Information
For detailed reproduction steps, please refer to issue #3901.
TRANS_BY_GPT4
Co-authored-by: john hondaxiao@tencent.com