>From the log it seems the application logic in "protorpc_client.cc" 
returned an error message. Can you please check if the error comes from 
that place?

If not, would you mind providing a code snippet on how you create your gRPC 
server? That might help me diagnose as well. Thank you!

On Friday, July 15, 2022 at 9:14:53 AM UTC+8 Abhishek Reddy wrote:

> Hi Team, 
>   I am using a certificate signed by a intermediate ca, 
> I have bundled the server.crt with intermediate ca and the rootca crt
> I am using the server.crt as the client certificate as well.
> Please advise 
>
> Im getting this error.
>
>  Grpc failed : 14 : Connect Failed cn_mismatch ? : 0 handshake failed ? : 
> 1 debug error detail : 
> {"created":"@1657846378.708581223","description":"Failed to create 
> subchannel","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":2636,"referenced_errors":[{"created":"@1657846378.706455021","description":"Pick
>  
> Cancelled","file":"src/core/ext/filters/client_channel/lb_policy/pick_first/pick_first.cc","file_line":241,"referenced_errors":[{"created":"@1657846378.706407872","description":"Connect
>  
> Failed","file":"src/core/ext/filters/client_channel/subchannel.cc","file_line":663,"grpc_status":14,"referenced_errors":[{"created":"@1657846378.706158793","description":"Handshake
>  
> read 
> failed","file":"src/core/lib/security/transport/security_handshaker.cc","file_line":321,"referenced_errors":[{"created":"@1657846378.706150457","description":"Socket
>  
> closed","fd":35,"file":"src/core/lib/iomgr/tcp_posix.cc","file_line":425,"grpc_status":14,"target_address":"ipv4:
> 172.16.10.31:10156"}]}]}]}]}
>
> W0715 00:52:58.709195 28021 protorpc_client.cc:712] Underlying transport 
> reported kTransportError for  protorpc_id=(3726108242716850180, 7) 
> method=Proc3 server=172.16.10.31:34000 err_detail=Grpc server 
> authentication failure.
> I0715 00:52:58.709343 28021 protorpc_over_grpc_transport.cc:250] Grpc 
> failed : 14 : Connect Failed cn_mismatch ? : 0 handshake failed ? : 1 debug 
> error detail : {"created":"@1657846378.708674629","description":"Failed to 
> create 
> subchannel","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":2636,"referenced_errors":[{"created":"@1657846378.706455565","description":"Pick
>  
> Cancelled","file":"src/core/ext/filters/client_channel/lb_policy/pick_first/pick_first.cc","file_line":241,"referenced_errors":[{"created":"@1657846378.706407872","description":"Connect
>  
> Failed","file":"src/core/ext/filters/client_channel/subchannel.cc","file_line":663,"grpc_status":14,"referenced_errors":[{"created":"@1657846378.706158793","description":"Handshake
>  
> read 
> failed","file":"src/core/lib/security/transport/security_handshaker.cc","file_line":321,"referenced_errors":[{"created":"@1657846378.706150457","description":"Socket
>  
> closed","fd":35,"file":"src/core/lib/iomgr/tcp_posix.cc","file_line":425,"grpc_status":14,"target_address":"ipv4:
> 172.16.10.31:10156"}] 
>

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