[英]Java 11 installation problem for Ubuntu 16.04
我已经尝试了所有方法,但不知何故我无法安装 java 11。显示我以前的 java 版本
我做了以下步骤:
第 1 jdk-11.0.8_linux-x64_bin.deb
:我安装了:来自 Oracle 网站的jdk-11.0.8_linux-x64_bin.deb
文件。
第 2 sudo dpkg -i jdk-11.0.8_linux-x64_bin.deb
:运行此命令: sudo dpkg -i jdk-11.0.8_linux-x64_bin.deb
第 3 sudo get update
: sudo get update
第 4 sudo vim /etc/profile.d/jdk.sh
:运行此命令sudo vim /etc/profile.d/jdk.sh
步骤 5:在空文件夹中添加此行:
export JAVA_HOME=/usr/lib/jvm/jdk-11.0.8/
export PATH=$PATH:$JAVA_HOME/bin
并保存此文件。 比我用ls
检查usr/lib/jvm
路径我得到:
default-java@ java-1.8.0-openjdk-amd64@ java-8-openjdk-amd64/ jdk-11.0.8/
比我输入这个命令:
source /etc/profile.d/jdk.sh
我得到这些输出:
set: Warning: path component /usr/lib/jvm/jdk-11.0.8/bin:/home/duygu/bin may not be valid in PATH.
set: No such file or directory
set: Did you mean 'set PATH $PATH /home/duygu/bin'?
set: Warning: path component /usr/lib/jvm/jdk-11.0.8/bin:/home/duygu/.local/bin may not be valid in PATH.
set: No such file or directory
set: Did you mean 'set PATH $PATH /home/duygu/.local/bin'?
set: Warning: path component /usr/lib/jvm/jdk-11.0.8/bin:/usr/local/sbin may not be valid in PATH.
set: No such file or directory
set: Did you mean 'set PATH $PATH /usr/local/sbin'?
set: Warning: path component /usr/lib/jvm/jdk-11.0.8/bin:/usr/local/bin may not be valid in PATH.
set: No such file or directory
set: Did you mean 'set PATH $PATH /usr/local/bin'?
set: Warning: path component /usr/lib/jvm/jdk-11.0.8/bin:/usr/sbin may not be valid in PATH.
set: No such file or directory
set: Did you mean 'set PATH $PATH /usr/sbin'?
set: Warning: path component /usr/lib/jvm/jdk-11.0.8/bin:/usr/bin may not be valid in PATH.
set: No such file or directory
set: Did you mean 'set PATH $PATH /usr/bin'?
set: Warning: path component /usr/lib/jvm/jdk-11.0.8/bin:/sbin may not be valid in PATH.
set: No such file or directory
set: Did you mean 'set PATH $PATH /sbin'?
set: Warning: path component /usr/lib/jvm/jdk-11.0.8/bin:/bin may not be valid in PATH.
set: No such file or directory
set: Did you mean 'set PATH $PATH /bin'?
set: Warning: path component /usr/lib/jvm/jdk-11.0.8/bin:/usr/games may not be valid in PATH.
set: No such file or directory
set: Did you mean 'set PATH $PATH /usr/games'?
set: Warning: path component /usr/lib/jvm/jdk-11.0.8/bin:/usr/local/games may not be valid in PATH.
set: No such file or directory
set: Did you mean 'set PATH $PATH /usr/local/games'?
set: Warning: path component /usr/lib/jvm/jdk-11.0.8/bin:/snap/bin may not be valid in PATH.
set: No such file or directory
set: Did you mean 'set PATH $PATH /snap/bin'?
set: Warning: path component /usr/lib/jvm/jdk-11.0.8/bin:/usr/local/jdk-11.0.2/bin may not be valid in PATH.
set: No such file or directory
set: Did you mean 'set PATH $PATH /usr/local/jdk-11.0.2/bin'?
当我检查 java -version 我得到: openjdk version "1.8.0_265"
然后输入这个命令: update-java-alternatives --list
我得到:
java-1.8.0-openjdk-amd64 1081 /usr/lib/jvm/java-1.8.0-openjdk-amd64
我尝试了 sudo reboot 并再次尝试,但我没有安装 java 11 。 我该如何安装? 我的错在哪里?
编辑:
我已经尝试过这一行:
sudo add-apt-repository ppa:linuxuprising/java
sudo apt-get update
sudo apt-get install openjdk-11-jdk
我得到这样的错误:
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package openjdk-11-jdk is a virtual package provided by:
oracle-java15-installer 15-1~linuxuprising3
oracle-java14-installer 14.0.2-1~linuxuprising1
oracle-java11-installer-local 11.0.8-1~linuxuprising0
You should explicitly select one to install.
E: Package 'openjdk-11-jdk' has no installation candidate
安装好之后就可以了
sudo nano /etc/environment
JAVA_HOME="/usr/lib/jvm/jdk-11.0.8"
请注意,不包括/bin
。 保存并退出。 然后,
source /etc/environment
顺便说一句,为什么要使正常安装复杂化?
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