stacktrace: java.lang.ClassCastException: java.util.HashMap cannot be cast to

今天线上发了好几封预警邮件，邮件内容如下： 看了下项目报错的代码: ApiResult<WithdrawResultDto> withdrawResult = loanApiService.queryWithdrawResult(contractNo); WithdrawResultDto withdraw = withdrawResult.getData(); ApiResult

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