Cannot open Eclipse Marketplace

spencer_tseng2026-01-06 17:47

eclipse 4.7.2

复制代码

Cannot open Eclipse Marketplace
Cannot install remote marketplace locations: Cannot complete request to http://marketplace.eclipse.org/catalogs/api/p: HTTP Server Unknown HTTP Response Code (301):http://marketplace.eclipse.org/catalogs/api/p
Cannot complete request to http://marketplace.eclipse.org/catalogs/api/p: HTTP Server Unknown HTTP Response Code (301):http://marketplace.eclipse.org/catalogs/api/p
HTTP Server Unknown HTTP Response Code (301):http://marketplace.eclipse.org/catalogs/api/p
General connection error with response code=301
Cannot complete request to http://marketplace.eclipse.org/catalogs/api/p: HTTP Server Unknown HTTP Response Code (301):http://marketplace.eclipse.org/catalogs/api/p
HTTP Server Unknown HTTP Response Code (301):http://marketplace.eclipse.org/catalogs/api/p
General connection error with response code=301

Eclipse Marketplace 报 301 错误（永久重定向），核心原因是：

旧版 Eclipse 内置的 Marketplace 地址仍使用 http 协议，而官方已将服务永久重定向到 https 协议；
Eclipse 网络配置未适配 HTTPS 重定向，或缺少 HTTPS 证书 / 代理配置。

Window → Preferences → Eclipse Marketplace （为啥没有呢）