无法打开Eclipse Marketplace |无法安装远程市场位置：连接失败

Question

我在使用Eclipse Marketplace时遇到了一致性问题。我正在使用Eclipse Neon。我正在使用宽带互联网连接，并且我的Eclipse网络配置是本地的。

的错误是：

Cannot open Eclipse Marketplace
  Cannot install remote marketplace locations: Connection failed

    This is most often caused by a problem with your internet connection. Please check your internet connection and retry.
    Cannot complete request to http://marketplace.eclipse.org/catalogs/api/p : Unable to read repository at http://marketplace.eclipse.org/catalogs/api/p .
  Address family not supported by protocol family: connect
Connection failed

This is most often caused by a problem with your internet connection. Please check your internet connection and retry.
Address family not supported by protocol family: connect

错误的截图：

Answer 1

解决它。遵循以下步骤： -

1. 打开命令提示符。
2. 右键单击命令提示符的左上角，选择属性并启用快速编辑模式。
3. 在cmd上键入以下行： - setx _JAVA_OPTIONS -Djava.net.preferIPv4Stack=true, 点击输入。
4. cmd将提示： - 成功：保存指定的值。

重新启动日食。