installArchives() failed: Selecting previously unselected package libindicator7.
(Reading database ... 
(Reading database ... 5%
(Reading database ... 10%
(Reading database ... 15%
(Reading database ... 20%
(Reading database ... 25%
(Reading database ... 30%
(Reading database ... 35%
(Reading database ... 40%
(Reading database ... 45%
(Reading database ... 50%
(Reading database ... 55%
(Reading database ... 60%
(Reading database ... 65%
(Reading database ... 70%
(Reading database ... 75%
(Reading database ... 80%
(Reading database ... 85%
(Reading database ... 90%
(Reading database ... 95%
(Reading database ... 100%
(Reading database ... 250478 files and directories currently installed.)
Preparing to unpack .../libindicator7_12.10.2+14.10.20140922-0ubuntu1_amd64.deb ...
Unpacking libindicator7 (12.10.2+14.10.20140922-0ubuntu1) ...
Selecting previously unselected package libappindicator1.
Preparing to unpack .../libappindicator1_12.10.1+13.10.20130920-0ubuntu4.2_amd64.deb ...
Unpacking libappindicator1 (12.10.1+13.10.20130920-0ubuntu4.2) ...
Error in function: 
Setting up icedtea-netx:amd64 (1.5.1-1ubuntu1) ...
update-alternatives: warning: forcing reinstallation of alternative /usr/lib/jvm/java-7-openjdk-amd64/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-amd64/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-amd64/jre/bin/javaws doesn't exist
dpkg: error processing package icedtea-netx:amd64 (--configure):
 subprocess installed post-installation script returned error exit status 2