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Hello!
I am trying to install Java 7 on Ubuntu. I used the following commands:
~$ sudo apt-add-repository ppa:webupd8team/java
~$ sudo apt-get update
But at that moment returns the following message:
Err:15 http://ppa.launchpad.net/openjdk-r/ppa/ubuntu artful Release<br> 404 Not Found<br> Lendo listas de pacotes... Pronto<br> E: The repository 'http://ppa.launchpad.net/openjdk-r/ppa/ubuntu artful<br> Release' does not have a Release file.<br> N: Updating from such a repository can't be done securely, and is therefore disabled by default.<br> N: See apt-secure(8) manpage for repository creation and user configuration details.
And when I try to give sudo apt-get install oracle-java7-installer, it shows the following message:
O pacote oracle-java7-installer não está disponível, mas é referenciado por outro pacote.
This may mean that the package is missing, has become obsolete or is only available from another source
E: O pacote 'oracle-java7-installer' não tem candidato para instalação
Recommend this tutorial
– Rosário Pereira Fernandes
Honestly I find it much easier to have a well-defined folder where my java installations will be and run directly, We hope there is no problem with the installation via package manager, but you are always hostage to the version of the repository, while using direct installations just download the version of java right on the oracle website, extract and ready.
– ℛɑƒæĿᴿᴹᴿ