Setting java home jdk

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Installing the JDK Software and Setting `JAVA_HOME`

If you do not already have the JDK software installed or if JAVA_HOME is not set, the GlassFish ESB installation will not be successful. The following tasks provide the information you need to install the JDK software and set JAVA_HOME on UNIX or Windows systems. To find out which JDK versions are supported for the operating system you are using, see JDK and JAVA_HOME in Planning for GlassFish ESB Installation .

The GlassFish ESB Installer does not support JDK release 1.6.0_04 in the 64–bit version on the Solaris SPARC or AMD 64–bit environments.

To Install the JDK Software and Set `JAVA_HOME` on a UNIX System

Install the JDK software.
1. Go to http://java.sun.com/javase/downloads/index.jsp.
2. Select the appropriate JDK version and click Download. The JDK software is installed on your computer, for example, at /usr/jdk/jdk1.6.0_02. You can change this location.
```
export JAVA_HOME=jdk-install-dir 
```
```
export PATH=$JAVA_HOME/bin:$PATH 
```
```
JAVA_HOME=jdk-install-dir 
```
```
PATH=$JAVA_HOME/bin:$PATH 
```
```
setenv JAVA_HOME jdk-install-dir 
```
```
setenv PATH $JAVA_HOME/bin:$PATH 
```
```
export PATH=$JAVA_HOME/bin:$PATH 
```
```
chmod 755 JavaCAPS.bin 
```
To Install the JDK Software and Set JAVA_HOME on a Windows System
1. Install the JDK software.
  1. Go to http://java.sun.com/javase/downloads/index.jsp.
  2. Select the appropriate JDK software and click Download. The JDK software is installed on your computer, for example, at C:\Program Files\Java\jdk1.6.0_02. You can move the JDK software to another location if desired.
  1. Right click My Computer and select Properties.
  2. On the Advanced tab, select Environment Variables, and then edit JAVA_HOME to point to where the JDK software is located, for example, C:\Program Files\Java\jdk1.6.0_02.
  Источник
  
  Переменная окружения JAVA_HOME
  
  Во многих статьях в интернете, документации к инструментам для разработки на Java и в книгах зачастую упоминается JAVA_HOME. Что же такое JAVA_HOME?
  
  Что такое JAVA_HOME
  
  JAVA_HOME это переменная окружения, указывающая на директорию с установленным JDK (Java Development Kit, комплект разработчика Java). JAVA_HOME это соглашение, используемое во многих программах из экосистемы Java.
  
  Какие программы используют JAVA_HOME
  - Intellij IDEA, Eclipse, NetBeans
  - Apache Maven, Apache Ant, Gradle
  - Apache Tomcat
  - Jenkins
  Некоторые игры, написанные на Java (например, Minecraft), тоже могут требовать установленной переменной JAVA_HOME.
  
  Ошибки, связанные с JAVA_HOME
  
  Если переменная окружения JAVA_HOME не определена, некоторые программы могут выдавать следующие ошибки:
  - Переменная среды java_home не определена
  - Cannot determine a valid Java Home
  - JAVA_HOME is set to an invalid directory
  - JAVA_HOME is not defined correctly
  - JAVA_HOME environment variable is not set
  - JAVA_HOME command not found
  - JAVA_HOME not found in your environment
  - JAVA_HOME does not point to the JDK
  При появлении таких ошибок просто установите переменную JAVA_HOME
  
  Как установить переменную окружения JAVA_HOME в Windows
  
  Сперва вам нужно установить JDK или JRE.
  - Установите JDK, если вы занимаетесь разработкой программ на Java
  - Установите JRE, если вам нужно только запустить прикладную программу на Java
  После установки JDK либо JRE запишите путь установки, он понадобится.
  
  Теперь щёлкните правой кнопкой на «Мой компьютер» → «Свойства» → «Дополнительные параметры системы» → «Переменные среды…». В разделе «Системные переменные» нажмите кнопку «Создать…» и укажите следующие данные:
  
  Имя переменной JAVA_HOME
  
  Значение переменной Путь к директории JDK / JRE, например:
  C:\Java\jdk-11.0.6
  
  Сохраните изменения, кликнув «OK». Теперь выберите в списке переменную окружения Path и нажмите «Изменить…». В конце списка добавьте строчку со значением «%JAVA_HOME%\bin«
  
  Для проверки откройте консоль (Win+R, cmd) и укажите последовательно укажите две команды:
  
  Если вы правильно установили JDK/JRE и правильно установили переменные окружения, вы увидите вывод наподобие этого:
  
  Это будет служить результатом того, что переменная JAVA_HOME установлена правильно и Java работает из командной строки.
  
  Резюме
  
  В данной статье мы рассказали вам, что являет собой переменная окружения JAVA_HOME, где она используется и как её корректно указать.
  
  Источник
  
  Installing the JDK Software and Setting JAVA_HOME
  
  If you do not already have the JDK software installed or if the JAVA_HOME environment variable is not set, the GlassFish ESB installation will not be successful. The following tasks provide the information you need to install the JDK software and set JAVA_HOME on UNIX or Windows systems.
  
  To find out which JDK versions are supported for the platform you are using, see JDK and JAVA_HOME in Planning for GlassFish ESB Installation .
  
  The GlassFish ESB Installer does not support JDK release 1.6.0_04 in the 64–bit version on the Solaris SPARC or AMD 64–bit environments.
  
  To Install the JDK Software and Set JAVA_HOME on a UNIX System
  1. To install the JDK software, do the following:
    1. Go to http://java.sun.com/javase/downloads/index.jsp.
    2. Select the appropriate JDK version and click Download. The JDK software is installed on your computer in the default location; for example, at /usr/jdk/jdk1.6.0_02. You can change this location.
    - For Korn and bash shells, run the following commands: export JAVA_HOME= jdk-install-dir export PATH=$JAVA_HOME/bin:$PATH
    - For the bourne shell, run the following commands: JAVA_HOME= jdk-install-dir export JAVA_HOME PATH=$JAVA_HOME/bin:$PATH export PATH
    - For the C shell, run the following commands: setenv JAVA_HOME jdk-install-dir setenv PATH $JAVA_HOME/bin:$PATH export PATH=$JAVA_HOME/bin:$PATH
    To Install the JDK Software and Set JAVA_HOME on a Windows System
    1. To install the JDK software, do the following:
      1. Go to http://java.sun.com/javase/downloads/index.jsp.
      2. Select the appropriate JDK software and click Download. The JDK software is installed on your computer in the default location; for example, at C:\Program Files\Java\jdk1.6.0_02. You can move the JDK software to another location.
      1. Right click My Computer and select Properties.
      2. On the Advanced tab, select Environment Variables, and then edit JAVA_HOME to point to where the JDK software is located, for example, C:\Program Files\Java\jdk1.6.0_02.
      Источник

Имя переменной	JAVA_HOME
Значение переменной	Путь к директории JDK / JRE, например: C:\Java\jdk-11.0.6

Setting java home jdk