install of zlib fails with Unable to verify file checksums error

[derek.morris@…]

Running Mac Mini with SnowLeopard and very latest updates.

sudo port -d install zlib

DEBUG: Found port in file:///opt/local/var/macports/sources/rsync.macports.org/release/ports/archivers/zlib
DEBUG: Changing to port directory: /opt/local/var/macports/sources/rsync.macports.org/release/ports/archivers/zlib
DEBUG: OS Platform: darwin
DEBUG: OS Version: 10.2.0
DEBUG: Mac OS X Version: 10.6
DEBUG: System Arch: i386
DEBUG: setting option os.universal_supported to yes
DEBUG: org.macports.load registered provides 'load', a pre-existing procedure. Target override will not be provided
DEBUG: org.macports.unload registered provides 'unload', a pre-existing procedure. Target override will not be provided
DEBUG: org.macports.distfiles registered provides 'distfiles', a pre-existing procedure. Target override will not be provided
DEBUG: adding the default universal variant
DEBUG: Reading variant descriptions from /opt/local/var/macports/sources/rsync.macports.org/release/ports/_resources/port1.0/variant_descriptions.conf
DEBUG: Requested variant darwin is not provided by port zlib.
DEBUG: Requested variant i386 is not provided by port zlib.
DEBUG: Requested variant macosx is not provided by port zlib.
--->  Computing dependencies for zlib
DEBUG: Executing org.macports.main (zlib)
DEBUG: Skipping completed org.macports.fetch (zlib)
--->  Verifying checksum(s) for zlib
DEBUG: Executing org.macports.checksum (zlib)
--->  Checksumming zlib-1.2.4.tar.bz2
Error: Checksum (md5) mismatch for zlib-1.2.4.tar.bz2
Portfile checksum: zlib-1.2.4.tar.bz2 md5 763c6a0b4ad1cdf5549e3ab3f140f4cb
Distfile checksum: zlib-1.2.4.tar.bz2 md5 ba032b76610768c3335d6ebc8c92b291
Error: Checksum (sha1) mismatch for zlib-1.2.4.tar.bz2
Portfile checksum: zlib-1.2.4.tar.bz2 sha1 8cf10521c1927daa5e12efc5e1725a0d70e579f3
Distfile checksum: zlib-1.2.4.tar.bz2 sha1 c7ef62e427fc948850d1f5895fb1ee673d592b73
Error: Checksum (rmd160) mismatch for zlib-1.2.4.tar.bz2
Portfile checksum: zlib-1.2.4.tar.bz2 rmd160 8f0f17e33e36fa1427f8186b6d12cf5b2240294a
Distfile checksum: zlib-1.2.4.tar.bz2 rmd160 481f681e5b1d5d798855ec2eaf01dd780485cb76
The correct checksum line may be:
checksums           md5     ba032b76610768c3335d6ebc8c92b291 \
                    sha1    c7ef62e427fc948850d1f5895fb1ee673d592b73 \
                    rmd160  481f681e5b1d5d798855ec2eaf01dd780485cb76
Error: Target org.macports.checksum returned: Unable to verify file checksums
DEBUG: Backtrace: Unable to verify file checksums
    while executing
"$procedure $targetname"
Warning: the following items did not execute (for zlib): org.macports.activate org.macports.extract org.macports.checksum org.macports.patch org.macports.configure org.macports.build org.macports.destroot org.macports.install
Error: Status 1 encountered during processing.
To report a bug, see <http://guide.macports.org/#project.tickets>

[mf2k (Frank Schima)]

Please read the FAQ on checksums errors. You did not specify the download mirror.