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Troubleshooting Lemmy: How to Fix Image/Avatar Upload Issues and Configure Network Proxies

When uploading an avatar in Lemmy, the following error appears in the bottom left corner:

Error Message

Browser error message:

{"data":{"error":"unknown","message":"error decoding response body: EOF while parsing a value at line 1 column 0"},"state":"success"}

Response status code: 400

Cause of the Problem

Based on the error message, it is speculated to be a network issue. Upon inspecting the docker-compose configuration, a http proxy testing configuration added a few days ago was discovered. After removing the proxy, the image upload worked normally.

Solutions

Quick Fix: Repair the Network

If there is a network proxy, simply repairing the network connection should resolve the issue.

Perfect Solution: Optimize Network Proxy Configuration

A network proxy can hide the real request IP of the server. Without losing the proxy, local services affected can be excluded using no_proxy.

The final network proxy configuration in docker-compose.yml is as follows:

environment:
      - http_proxy=192.168.x.x:xxxx
      - no_proxy="lemmy,localhost,127.0.0.1,postgres,pictrs,0.0.0.0"
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1 comments

  • lemmy上传头像时，左下角出现如下报错

    报错信息

    浏览器报错信息

    {"data":{"error":"unknown","message":"error decoding response body: EOF while parsing a value at line 1 column 0"},"state":"success"}

    Response status code: 400

    问题原因

    通过报错信息推测是网络问题，排查docker-compose配置发现，前几天加了一行http proxy代理测试配置，移除代理后图片上传正常。

    解决方法

    简单解决：修复网络

    如果上游有网络代理，修复网络连接即可。

    完美解决：优化网络代理配置

    网络代理可以隐藏服务器的真实请求IP，在不缺失代理的前提下，可以通过no_proxy排除掉本地受影响服务。

    最终通过docker-compoe.yml配置网络代理配置如下：

    environment:
      - http_proxy=192.168.x.x:xxxx
      - no_proxy="lemmy,localhost,127.0.0.1,postgres,pictrs,0.0.0.0"