libcommons-collections-java libdb4.7-java ant-gcj libjetty-java-doc
Use 'apt-get autoremove' to remove them.
The following extra packages will be installed:
  default-jre-headless
The following packages will be upgraded:
  default-jre-headless
1 upgraded, 0 newly installed, 0 to remove and 1036 not upgraded.
2 not fully installed or removed.
Need to get 0B/3,328B of archives.
After this operation, 4,096B disk space will be freed.
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(Reading database ... 377049 files and directories currently installed.)
Preparing to replace default-jre-headless 1.6-34 (using .../default-jre-headless_1%3a1.6-43ubuntu2_i386.deb) ...
Unpacking replacement default-jre-headless ...
dpkg: error processing /var/cache/apt/archives/default-jre-headless_1%3a1.6-43ubuntu2_i386.deb (--unpack):
 trying to overwrite '/usr/lib/jvm/java-1.6.0-openjdk', which is also in package openjdk-6-jre-headless 6b24-1.11.3-1ubuntu0.10.04.1
Errors were encountered while processing:
 /var/cache/apt/archives/default-jre-headless_1%3a1.6-43ubuntu2_i386.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)