更新eclipse时出现这种问题出cannot complete the request,See the details.

更新eclipse时出现这种问题出cannot complete the request,See the details.
Cannot complete the request.See the details.
Eclipse C/C++ Development Tools will be ignored because it is already installed.
Eclipse C/C++ Development Tools will be ignored because a newer version is already installed.
Eclipse C/C++ Development Tools will be ignored because a newer version is already installed.
Eclipse C/C++ Development Tools will be ignored because a newer version is already installed.
Eclipse C/C++ Development Tools will be ignored because a newer version is already installed.
CDT GNU Toolchain Build Support will be ignored because a newer version is already installed.
CDT GNU Toolchain Build Support will be ignored because a newer version is already installed.
CDT GNU Toolchain Debug Support will be ignored because a newer version is already installed.
CDT GNU Toolchain Debug Support will be ignored because a newer version is already installed.
还有很多,不能贴这么长,