Fix exception in server #9
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It can happen that a connection handler calls writefun when the connection is already destroyed. This causes bad_weak_ptr exceptions thrown from the server. Fix this issue by skipping the respective do_write invocations.
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It can happen that a connection handler calls writefun when the connection is already destroyed. This causes bad_weak_ptr exceptions thrown from the server.
Fix this issue by skipping the respective do_write invocations.
Problem encountered in a real-world server.