[GH-ISSUE #4935] Error when setting int value by environment

gitea-mirror commented

2026-05-05 14:29:05 -06:00

Owner

Originally created by @immomo808 on GitHub (Aug 14, 2025).
Original GitHub issue: https://github.com/fatedier/frp/issues/4935

Bug Description

By the provided example

# frpc.toml
serverAddr = "{{ .Envs.FRP_SERVER_ADDR }}"
serverPort = 7000

[[proxies]]
name = "ssh"
type = "tcp"
localIP = "127.0.0.1"
localPort = 22
remotePort = "{{ .Envs.FRP_SSH_REMOTE_PORT }}"

export FRP_SERVER_ADDR=x.x.x.x
export FRP_SSH_REMOTE_PORT=6000
./frpc -c ./frpc.toml

unmarshal ProxyConfig error: json: cannot unmarshal string into Go struct field TCPProxyConfig.remotePort of type int

frpc Version

0.64.0

frps Version

0.64.0

System Architecture

linux/arm64

Configurations

serverAddr = "{{ .Envs.FRP_SERVER_ADDR }}"
serverPort = 7000

[[proxies]]
name = "ssh"
type = "tcp"
localIP = "127.0.0.1"
localPort = 22
remotePort = "{{ .Envs.FRP_SSH_REMOTE_PORT }}"

Logs

unmarshal ProxyConfig error: json: cannot unmarshal string into Go struct field TCPProxyConfig.remotePort of type int

Steps to reproduce

...

Affected area

Docs
Installation
Performance and Scalability
Security
User Experience
Test and Release
Developer Infrastructure
Client Plugin
Server Plugin
Extensions
Others

Originally created by @immomo808 on GitHub (Aug 14, 2025). Original GitHub issue: https://github.com/fatedier/frp/issues/4935 ### Bug Description By the provided example ``` # frpc.toml serverAddr = "{{ .Envs.FRP_SERVER_ADDR }}" serverPort = 7000 [[proxies]] name = "ssh" type = "tcp" localIP = "127.0.0.1" localPort = 22 remotePort = "{{ .Envs.FRP_SSH_REMOTE_PORT }}" ``` ``` export FRP_SERVER_ADDR=x.x.x.x export FRP_SSH_REMOTE_PORT=6000 ./frpc -c ./frpc.toml ``` ``` unmarshal ProxyConfig error: json: cannot unmarshal string into Go struct field TCPProxyConfig.remotePort of type int ``` ### frpc Version 0.64.0 ### frps Version 0.64.0 ### System Architecture linux/arm64 ### Configurations ``` serverAddr = "{{ .Envs.FRP_SERVER_ADDR }}" serverPort = 7000 [[proxies]] name = "ssh" type = "tcp" localIP = "127.0.0.1" localPort = 22 remotePort = "{{ .Envs.FRP_SSH_REMOTE_PORT }}" ``` ### Logs ``` unmarshal ProxyConfig error: json: cannot unmarshal string into Go struct field TCPProxyConfig.remotePort of type int ``` ### Steps to reproduce 1. 2. 3. ... ### Affected area - [ ] Docs - [ ] Installation - [ ] Performance and Scalability - [ ] Security - [x] User Experience - [ ] Test and Release - [ ] Developer Infrastructure - [ ] Client Plugin - [ ] Server Plugin - [ ] Extensions - [ ] Others

gitea-mirror closed this issue

2026-05-05 14:29:06 -06:00

gitea-mirror commented

2026-05-05 14:29:08 -06:00

Author

Owner

@fatedier commented on GitHub (Aug 15, 2025):

So why do you want to add double quotes?

@fatedier commented on GitHub (Aug 15, 2025): So why do you want to add double quotes?

gitea-mirror commented

2026-05-05 14:29:09 -06:00

Author

Owner

@immomo808 commented on GitHub (Aug 15, 2025):

Ammm. I am not wanting to use double quotes. As I said this is an example config from README.md.
Here is the PR for correcting it.
https://github.com/fatedier/frp/pull/4938

@immomo808 commented on GitHub (Aug 15, 2025): Ammm. I am not wanting to use double quotes. As I said this is an example config from README.md. Here is the PR for correcting it. https://github.com/fatedier/frp/pull/4938