我试图在 eclipse europa 中安装 m2eclipse 并遇到以下错误。请告知在 eclipse europa 中安装 m2eclipse 插件需要做些什么
Network connection problems encountered during search.
Unable to access "http://m2eclipse.sonatype.org/sites/m2e/".
Error parsing site stream. [White spaces are required between publicId and systemId.]
White spaces are required between publicId and systemId.
Error parsing site stream. [White spaces are required between publicId and systemId.]
White spaces are required between publicId and systemId.