我创建了一个新的 Ubuntu 16.04.3 VM 并尝试安装 JDK 9。不幸的是，最新版本的 JDKapt安装程序9.0.1-1~webupd8~0无法下载二进制文件，我怀疑原因是因为今天发布了 JDK 9.0.4 并且Oracle 移动了档案。
我执行了安装的典型步骤：
add-apt-repository ppa:webupd8team/java
apt-get update && apt-get install oracle-java9-installer
然后我收到以下错误消息的提示：
Downloading Oracle Java 9...
--2018-01-16 15:15:07-- http://download.oracle.com/otn-pub/java/jdk/9.0.1+11/jdk-9.0.1_linux-x64_bin.tar.gz
Resolving download.oracle.com (download.oracle.com)... 23.200.70.136
Connecting to download.oracle.com (download.oracle.com)|23.200.70.136|:80... connected.
HTTP request sent, awaiting response... 302 Moved Temporarily
Location: https://edelivery.oracle.com/otn-pub/java/jdk/9.0.1+11/jdk-9.0.1_linux-x64_bin.tar.gz [following]
--2018-01-16 15:15:11-- https://edelivery.oracle.com/otn-pub/java/jdk/9.0.1+11/jdk-9.0.1_linux-x64_bin.tar.gz
Resolving edelivery.oracle.com (edelivery.oracle.com)... 23.35.226.115, 2600:1404:21:49d::2d3e, 2600:1404:21:493::2d3e
Connecting to edelivery.oracle.com (edelivery.oracle.com)|23.35.226.115|:443... connected.
HTTP request sent, awaiting response... 302 Moved Temporarily
Location: http://download.oracle.com/otn-pub/java/jdk/9.0.1+11/jdk-9.0.1_linux-x64_bin.tar.gz?AuthParam=1516137431_0e89d10b30203a572ea858768475ef74 [following]
--2018-01-16 …