求助： nested exception is com.alibaba.dubbo.rpc.RpcException: Failed to invoke the method ...

消費者和服務者再dubbo上顯示正常，但是報錯 嚴重: Servlet.service() for servlet [springmvc] in context with path [] threw exception [Request processing failed; nested exception is com.alibaba.dubbo.rpc.RpcException: Failed

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