1
安装Java8我现在用的是命令我的系统上安装java8，但它是不工作的命令是：在Ubuntu
$ sudo add-apt-repository ppa:webupd8team/java
$ sudo apt-get update
$ sudo apt-get install oracle-java8-installer
最后一行是给我的错误：
HTTP request sent, awaiting response... 302 Moved Temporarily
Location: https://edelivery.oracle.com/otn-pub/java/jdk/8u144-b01/090f390dda5b47b9b721c7dfaa008135/jdk-8u144-linux-x64.tar.gz [following]
--2017-10-18 22:38:13-- https://edelivery.oracle.com/otn-pub/java/jdk/8u144-b01/090f390dda5b47b9b721c7dfaa008135/jdk-8u144-linux-x64.tar.gz
Resolving edelivery.oracle.com (edelivery.oracle.com)... 104.108.215.179, 2600:1417:56:186::2d3e, 2600:1417:56:187::2d3e
Connecting to edelivery.oracle.com (edelivery.oracle.com)|104.108.215.179|:443... connected.
HTTP request sent, awaiting response... 302 Moved Temporarily
Location: http://download.oracle.com/otn-pub/java/jdk/8u144-b01/090f390dda5b47b9b721c7dfaa008135/jdk-8u144-linux-x64.tar.gz?AuthParam=1508346614_8bc760b7bd61b60912b47718e848ca92 [following]
--2017-10-18 22:38:14-- http://download.oracle.com/otn-pub/java/jdk/8u144-b01/090f390dda5b47b9b721c7dfaa008135/jdk-8u144-linux-x64.tar.gz?AuthParam=1508346614_8bc760b7bd61b60912b47718e848ca92
Connecting to download.oracle.com (download.oracle.com)|23.32.28.209|:80... connected.
HTTP request sent, awaiting response... 404 Not Found
2017-10-18 22:38:17 ERROR 404: Not Found.
download failed
Oracle JDK 8 is NOT installed.
dpkg: error processing package oracle-java8-installer (--configure):
subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
oracle-java8-installer
E: Sub-process /usr/bin/dpkg returned an error code (1)
我去了链接，它是404响应。想知道为什么会发生这种情况，并且我的公钥存在问题或者存在问题。
请帮忙。在此先感谢