Preparing to replace gcj-4.6-base 4.6.3-1 (using .../gcj-4.6-base_4.6.3-1ubuntu1_i386.deb) ...
Unpacking replacement gcj-4.6-base ...
Preparing to replace libgcj12 4.6.3-1 (using .../libgcj12_4.6.3-1ubuntu1_i386.deb) ...
Unpacking replacement libgcj12 ...
Preparing to replace icedtea-6-jre-cacao 6b24-1.11.1-3ubuntu2 (using .../icedtea-6-jre-cacao_6b24-1.11.1-3ubuntu3_i386.deb) ...
Unpacking replacement icedtea-6-jre-cacao ...
Preparing to replace icedtea-6-jre-jamvm 6b24-1.11.1-3ubuntu2 (using .../icedtea-6-jre-jamvm_6b24-1.11.1-3ubuntu3_i386.deb) ...
Unpacking replacement icedtea-6-jre-jamvm ...
Preparing to replace openjdk-6-jre-lib 6b24-1.11.1-3ubuntu2 (using .../openjdk-6-jre-lib_6b24-1.11.1-3ubuntu3_all.deb) ...
Unpacking replacement openjdk-6-jre-lib ...
Preparing to replace openjdk-6-jre-headless 6b24-1.11.1-3ubuntu2 (using .../openjdk-6-jre-headless_6b24-1.11.1-3ubuntu3_i386.deb) ...
Unpacking replacement openjdk-6-jre-headless ...
dpkg-deb (subprocess): data: internal gzip read error: '<fd:4>: invalid distance code'
dpkg-deb: error: subprocess <decompress> returned error exit status 2
dpkg: error processing /var/cache/apt/archives/openjdk-6-jre-headless_6b24-1.11.1-3ubuntu3_i386.deb (--unpack):
 short read on buffer copy for backend dpkg-deb during `./usr/lib/jvm/java-6-openjdk-i386/jre/lib/rt.jar'