Ubuntu:未正确定义JAVA_HOME [英] Ubuntu: JAVA_HOME is not defined correctly
问题描述
我正在尝试在Ubuntu 14.04中安装一些软件(Shibboleth)。我已经在 / usr / lib / jvm /
中安装了Java 7 OpenJDK,我在 / usr / environment $ c $中有这些行c>
I am trying to install some software (Shibboleth) in Ubuntu 14.04. I already have Java 7 OpenJDK installed in /usr/lib/jvm/
, and I have these lines in /usr/environment
JAVA_HOME="/usr/lib/jvm/java-7-openjdk-amd64"
export JAVA_HOME
如果我输入 echo $ JAVA_HOME
我正确get / usr / lib / jvm / java-7-openjdk-amd64
。
但是,当我尝试安装Shibboleth时,我总是得到错误:JAVA_HOME未正确定义。无法执行java
。
If I type echo $JAVA_HOME
I correctly get /usr/lib/jvm/java-7-openjdk-amd64
.
However, when I try to install Shibboleth I always get Error: JAVA_HOME is not defined correctly. Cannot execute java
.
有趣的是,如果我输入 java
命令它可以工作(它是指/ usr / lib / java,它是指向右边的链接)。但是,当我尝试运行Shibboleth的 bash bin / install.sh
时,我收到JAVA_HOME错误
Interestingly, if I type java
command it works (it refers to /usr/lib/java which is a link to the right one). However, when I try to run bash bin/install.sh
of Shibboleth, I get the JAVA_HOME error
I已经尝试将 JAVA_HOME
设置为 jre
文件夹,结果相同。有什么想法吗?
I already tried setting JAVA_HOME
to the jre
folder with same result. Any ideas?
推荐答案
添加 JAVA_HOME
& PATH
到您的〜/ .profile
Add both JAVA_HOME
& PATH
to your ~/.profile
export JAVA_HOME=/usr/lib/jvm/java-7-openjdk-amd64
export PATH=$JAVA_HOME/bin:$PATH
并且,将以下内容添加到 /etc/profile.d/java.sh
And, add following to your /etc/profile.d/java.sh
JAVA_HOME=/usr/lib/jvm/java-7-openjdk-amd64
export JAVA_HOME
PATH=${JAVA_HOME}/bin:${PATH}
export PATH
JRE_HOME=/usr/lib/jvm/jre
export JRE_HOME
JAVA_OPTS="-XX:+AggressiveOpts -Xms256m -Xmx512m -XX:MaxPermSize=256m -XX:+DisableExplicitGC"
export JAVA_OPTS
更多信息info,请参阅文档
For more info, Refer Documentation
希望有所帮助。
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