m2eclipse を eclipse europa にインストールしようとしたところ、次のエラーが発生しました。eclipse europa に m2eclipse プラグインをインストールするために必要なことを教えてください
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.