Fix client disconnect logged as error in WebFlux#36822
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In HttpWebHandlerAdapter.handleUnresolvedError(), when a client disconnects before the response is committed, setStatusCode(500) succeeds and logs a 500 Server Error at ERROR level. The checkAndLogClientDisconnectedException check was never reached. Move the disconnect check before the 500 status assignment. DisconnectedClientHelper already excludes remote-call wrappers so the reordering does not affect server-side error handling. Closes spring-projectsgh-36811 Signed-off-by: suuuuuuminnnnnn <sumin45402214@gmail.com>
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In HttpWebHandlerAdapter.handleUnresolvedError(), when a client
disconnects before the response is committed (e.g., the client
sends a partial request body and closes the connection), the
resulting AbortedException arrives while setStatusCode(500)
still returns true. This causes the handler to immediately log
a 500 Server Error at ERROR level and return, making the
checkAndLogClientDisconnectedException branch unreachable.
This commit moves the disconnect check before the 500 status
assignment. DisconnectedClientHelper.isClientDisconnectedException
already excludes outbound/remote-call exception wrappers, so the
reordering does not affect server-side error handling.
Closes gh-36811