詳細が次のように出ています
何がどうなっているのでしょう?
installArchives() failed: Selecting previously unselected package openjdk-7-jre:i386.
(Reading database ...
(Reading database ... 5%%

(Reading database ... 100%%
(Reading database ... 174453 files and directories currently installed.)
Preparing to unpack .../openjdk-7-jre_7u71-2.5.3-0ubuntu1_i386.deb ...
Unpacking openjdk-7-jre:i386 (7u71-2.5.3-0ubuntu1) ...
Selecting previously unselected package libatk-wrapper-java.
Preparing to unpack .../libatk-wrapper-java_0.30.4-4_all.deb ...
Unpacking libatk-wrapper-java (0.30.4-4) ...
Selecting previously unselected package libatk-wrapper-java-jni:i386.
Preparing to unpack .../libatk-wrapper-java-jni_0.30.4-4_i386.deb ...
Unpacking libatk-wrapper-java-jni:i386 (0.30.4-4) ...
Selecting previously unselected package icedtea-netx-common.
Preparing to unpack .../icedtea-netx-common_1.5.1-1ubuntu1_all.deb ...
Unpacking icedtea-netx-common (1.5.1-1ubuntu1) ...
Selecting previously unselected package icedtea-netx:i386.
Preparing to unpack .../icedtea-netx_1.5.1-1ubuntu1_i386.deb ...
Unpacking icedtea-netx:i386 (1.5.1-1ubuntu1) ...
Selecting previously unselected package icedtea-7-plugin:i386.
Preparing to unpack .../icedtea-7-plugin_1.5.1-1ubuntu1_i386.deb ...
Unpacking icedtea-7-plugin:i386 (1.5.1-1ubuntu1) ...
Selecting previously unselected package icedtea-plugin.
Preparing to unpack .../icedtea-plugin_1.5.1-1ubuntu1_all.deb ...
Unpacking icedtea-plugin (1.5.1-1ubuntu1) ...
Processing triggers for hicolor-icon-theme (0.13-1) ...
Processing triggers for desktop-file-utils (0.22-1ubuntu2) ...
Processing triggers for mime-support (3.55ubuntu1) ...
Processing triggers for man-db (2.7.0.2-2) ...
Setting up icedtea-netx-common (1.5.1-1ubuntu1) ...
Setting up openjdk-7-jre:i386 (7u71-2.5.3-0ubuntu1) ...
update-alternatives: using /usr/lib/jvm/java-7-openjdk-i386/jre/bin/policytool to provide /usr/bin/policytool (policytool) in auto mode
Setting up libatk-wrapper-java (0.30.4-4) ...
Setting up icedtea-netx:i386 (1.5.1-1ubuntu1) ...
update-alternatives: using /usr/lib/jvm/java-6-openjdk-i386/jre/bin/javaws to provide /usr/bin/javaws (javaws) in auto mode
update-alternatives: using /usr/lib/jvm/java-6-openjdk-i386/jre/bin/itweb-settings to provide /usr/bin/itweb-settings (itweb-settings) in auto mode
update-alternatives: warning: not replacing /usr/share/man/man1/itweb-settings.1.gz with a link
update-alternatives: using /usr/lib/jvm/java-7-openjdk-i386/jre/bin/javaws to provide /usr/bin/javaws (javaws) in auto mode
update-alternatives: using /usr/lib/jvm/java-7-openjdk-i386/jre/bin/itweb-settings to provide /usr/bin/itweb-settings (itweb-settings) in auto mode
update-alternatives: warning: not replacing /usr/share/man/man1/itweb-settings.1.gz with a link
update-alternatives: error: alternative path /usr/lib/jvm/java-8-openjdk-i386/jre/bin/javaws doesn't exist
dpkg: error processing package icedtea-netx:i386 (--configure):
subprocess installed post-installation script returned error exit status 2
dpkg: dependency problems prevent configuration of icedtea-7-plugin:i386:
icedtea-7-plugin:i386 depends on icedtea-netx (= 1.5.1-1ubuntu1); however:
  Package icedtea-netx:i386 is not configured yet.

dpkg: error processing package icedtea-7-plugin:i386 (--configure):
dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of icedtea-plugin:
icedtea-plugin depends on icedtea-7-plugin; however:
  Package icedtea-7-plugin:i386 is not configured yet.

dpkg: error processing package icedtea-plugin (--configure):
dependency problems - leaving unconfigured
Setting up libatk-wrapper-java-jni:i386 (0.30.4-4) ...
No apport report written because the error message indicates its a followup error from a previous failure.
No apport report written because the error message indicates its a followup error from a previous failure.
Processing triggers for libc-bin (2.19-10ubuntu2) ...
Errors were encountered while processing:
icedtea-netx:i386
icedtea-7-plugin:i386
icedtea-plugin
Error in function:
Setting up icedtea-netx:i386 (1.5.1-1ubuntu1) ...
update-alternatives: warning: forcing reinstallation of alternative /usr/lib/jvm/java-7-openjdk-i386/jre/bin/itweb-settings because link group itweb-settings is broken
update-alternatives: warning: not replacing /usr/share/man/man1/itweb-settings.1.gz with a link
update-alternatives: warning: forcing reinstallation of alternative /usr/lib/jvm/java-7-openjdk-i386/jre/bin/itweb-settings because link group itweb-settings is broken
update-alternatives: warning: not replacing /usr/share/man/man1/itweb-settings.1.gz with a link
update-alternatives: error: alternative path /usr/lib/jvm/java-8-openjdk-i386/jre/bin/javaws doesn't exist
dpkg: error processing package icedtea-netx:i386 (--configure):
subprocess installed post-installation script returned error exit status 2
dpkg: dependency problems prevent configuration of icedtea-7-plugin:i386:
icedtea-7-plugin:i386 depends on icedtea-netx (= 1.5.1-1ubuntu1); however:
  Package icedtea-netx:i386 is not configured yet.

dpkg: error processing package icedtea-7-plugin:i386 (--configure):
dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of icedtea-plugin:
icedtea-plugin depends on icedtea-7-plugin; however:
  Package icedtea-7-plugin:i386 is not configured yet.

dpkg: error processing package icedtea-plugin (--configure):
dependency problems - leaving unconfigured