First I had installed oracle java via terminal. its get en error. I don't remember the error message. but other java app are working example netbeans, eclipse. The main problem is when i installed any new softwares via terminal or ubuntu software center, first i get this error.
sha256sum mismatch jdk-7u3-linux-i586.tar.gz
Oracle JDK 7 is NOT installed.
dpkg: error processing oracle-java7-installer (--configure):
subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
oracle-java7-installer
E: Sub-process /usr/bin/dpkg returned an error code (1)
How to remove this message and and reinstall java properly. I'm using Ubuntu 12.04
EDIT
When i trying to remove the Sun Java(TM) Development Kit (JDK) 7 i got this error message.
installArchives() failed: (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 ... 189962 files and directories currently installed.)
Removing oracle-java7-installer ...
update-alternatives: error: unknown argument `cdrom'
dpkg: error processing oracle-java7-installer (--remove):
subprocess installed pre-removal script returned error exit status 2
No apport report written because MaxReports is reached already
Downloading...
--2012-05-21 22:54:41-- http://download.oracle.com/otn-pub/java/jdk/7u3-b04/jdk-7u3-linux-i586.tar.gz
Resolving download.oracle.com (download.oracle.com)... 222.165.168.249, 222.165.168.202
Connecting to download.oracle.com (download.oracle.com)|222.165.168.249|:80... connected.
HTTP request sent, awaiting response... 302 Moved Temporarily
Location: https://edelivery.oracle.com/otn-pub/java/jdk/7u3-b04/jdk-7u3-linux-i586.tar.gz [following]
--2012-05-21 22:54:42-- https://edelivery.oracle.com/otn-pub/java/jdk/7u3-b04/jdk-7u3-linux-i586.tar.gz
Resolving edelivery.oracle.com (edelivery.oracle.com)... 173.222.122.174
Connecting to edelivery.oracle.com (edelivery.oracle.com)|173.222.122.174|:443... connected.
HTTP request sent, awaiting response... 302 Moved Temporarily
Location: http://download.oracle.com/errors/download-fail-1505220.html [following]
--2012-05-21 22:54:43-- http://download.oracle.com/errors/download-fail-1505220.html
Connecting to download.oracle.com (download.oracle.com)|222.165.168.249|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 5307 (5.2K) [text/html]
Saving to: `./jdk-7u3-linux-i586.tar.gz'
0K ..... 100% 152K=0.03s
2012-05-21 22:54:43 (152 KB/s) - `./jdk-7u3-linux-i586.tar.gz' saved [5307/5307]
Download done.
sha256sum mismatch jdk-7u3-linux-i586.tar.gz
Oracle JDK 7 is NOT installed.
dpkg: error while cleaning up:
subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
oracle-java7-installer
Best Answer
Running these commands should fix your problem:
If they do not, then please edit your question to include all the text from the Terminal from when you ran them (as the output would still be diagnostically useful).