During an automated install/deinstall check the following error has happened:

ERROR: Output running post uninstall script for package
eclipse-sdk-1:3.2.1-30.fc7.i386
ls: cannot access /usr/lib/eclipse/features: No such file or directory

Checking whether the directory exists before doing an ls on it should fix the
problem.

postuninstall scriptlet (using /bin/sh):
if [ -x /usr/bin/rebuild-gcj-db ]
then
  /usr/bin/rebuild-gcj-db
fi
# Only set the product back to platform.ide if the sdk is actually removed for
# this arch.  This SDKDIR check is to deal with the ordering of new %post
# before old %postun
if [ -d /usr/lib/eclipse/features]; then
  SDKDIR=$(ls /usr/lib/eclipse/features | grep "org\.eclipse\.sdk_")
else
  SDKDIR=""
fi
if [ -z "$SDKDIR" -a -f /usr/lib/eclipse/configuration/config.ini ]; then
  sed --in-place
"s/[#]*eclipse.product=.*/eclipse.product=org.eclipse.platform.ide/" \
    /usr/lib/eclipse/configuration/config.ini
fi