The same happens when upgrading eclipse-platform from 3.1.1-6 to 3.1.1-7 and with eclipse-cdt installed:
Preparing to replace eclipse-platform 3.1.1-6 (using .../eclipse-platform_3.1.1-7_i386.deb) ... Unpacking replacement eclipse-platform ... dpkg: error processing /var/cache/apt/archives/eclipse-platform_3.1.1-7_i386.deb (--unpack): trying to overwrite `/usr/lib/eclipse/features', which is also in package eclipse-cdt Errors were encountered while processing: /var/cache/apt/archives/eclipse-platform_3.1.1-7_i386.deb E: Sub-process /usr/bin/dpkg returned an error code (1) -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]