[Safe Mode] Eliminate Grpc.Core.RpcException: Pipe is Broken Stalls
Under Audit
Unity 2022.3.x - Unity 2023.x
Published Thu, Mar 19
A Grpc.Core.RpcException indicates a "Pipe is broken" error, preventing projects from opening correctly and forcing them into safe mode. This issue often stems from internal communication failures.
An Unhandled Exception occurs when opening your project, specifically a Grpc.Core.RpcException. This exception is reported with a StatusCode="Unavailable" and a detail message "Error starting gRPC call." Further details indicate an HttpRequestException with "An error occurred while sending the request," leading to an IOException stating "The request was aborted," and ultimately identifying an IOException with the message "Pipe is broken". This critical error typically prevents the project from loading normally and instead forces it to open in safe mode. The repeated appearance of the "Pipe is broken" message points to a fundamental communication failure within the editor's processes during project initialization.
- Verify that your firewall or antivirus software is not blocking
Unity Editorprocesses orgRPCcommunication. - Try deleting the
Libraryfolder in your project directory to force a full reimport of assets upon opening the project. - Ensure that the
Unity Editoris run with sufficient administrative privileges to prevent permission-related issues with file and network access.
Editor's Note:
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