org.springframework.web.client.HttpClientErrorException: 401 Unauthorized

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401 Unauthorized; nested exception is$ValueCause: Exception while signaling value: reactor.bus.Event.class : Event{id=null, headers=null, replyTo=null,,}
org.springframework.web.client.HttpClientErrorException: 401 Unauthorized
at org.springframework.web.client.DefaultResponseErrorHandler.handleError(
at org.springframework.web.client.RestTemplate.handleResponse(
at org.springframework.web.client.RestTemplate.doExecute(
at org.springframework.web.client.RestTemplate.execute(
at java.util.concurrent.Executors$
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(
at java.util.concurrent.ScheduledThreadPoolExecutor$
at java.util.concurrent.ThreadPoolExecutor.runWorker(
at java.util.concurrent.ThreadPoolExecutor$

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