Ubuntu – Error when installing oracle-java7-installer

installationjava

I'm trying to install Java 7 on my Ubuntu 12.04. But everytime I try, it always shows error like below. This is when I'm trying to upgrade even when the Java 7 is not installed

harits@harits-ubuntu:~$ sudo apt-get upgrade
[sudo] password for harits: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages will be upgraded:
  oracle-java7-installer
1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
Need to get 0 B/15.3 kB of archives.
After this operation, 3,072 B of additional disk space will be used.
Do you want to continue [Y/n]? y
Setting up oracle-java7-installer (7u3-0~eugenesan~precise4) ...
Downloading...
--2012-07-14 17:53:46--  http://download.oracle.com/otn-pub/java/jdk/7u3-b04/jdk-7u3-linux-i586.tar.gz
Resolving download.oracle.com (download.oracle.com)... 111.94.254.10, 111.94.254.17
Connecting to download.oracle.com (download.oracle.com)|111.94.254.10|: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]
--2012-07-14 17:53:46--  https://edelivery.oracle.com/otn-pub/java/jdk/7u3-b04/jdk-7u3-linux-i586.tar.gz
Resolving edelivery.oracle.com (edelivery.oracle.com)... 184.51.118.174
Connecting to edelivery.oracle.com (edelivery.oracle.com)|184.51.118.174|:443... connected.
HTTP request sent, awaiting response... 302 Moved Temporarily
Location: http://download.oracle.com/errors/download-fail-1505220.html [following]
--2012-07-14 17:53:47--  http://download.oracle.com/errors/download-fail-1505220.html
Connecting to download.oracle.com (download.oracle.com)|111.94.254.10|: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% 95.1M=0s

2012-07-14 17:53:47 (95.1 MB/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 processing oracle-java7-installer (--configure):
 subprocess installed post-installation script returned error exit status 1
No apport report written because MaxReports is reached already
                                                              Errors were encountered while processing:
 oracle-java7-installer
E: Sub-process /usr/bin/dpkg returned an error code (1)
harits@harits-ubuntu:~$

Can somebody tell me how to fix this problem?

Best Answer

Well looks like this is an old question but no one has answered it yet so... better late than never I guess. I've been ripping my hair out over this too. Like you most boards just tell me too use open-jdk. what most people don't seem to understand that open-jdk and jdk-7 are not one to one mappings of each other and many tools relied upon by developers simply don't work with open-jdk. ANYWAY...

I found a solution which solved the problem for me. Hopefully it will work for you.

sudo rm /var/lib/dpkg/info/oracle-java7-installer* 

sudo apt-get purge oracle-java7-installer

sudo rm /etc/apt/sources.list.d/*java* 

sudo apt-get update 

sudo add-apt-repository ppa:webupd8team/java 

sudo apt-get update 

sudo apt-get install oracle-java7-installer
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