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#javaComps #javaComps

Install the Java Components

Download and install Java

This is the version that is

Install the necessary Java Components

Note: Aspire 3 and higher requires running at Java 1.7 and higher.

appropriate for the system that will run Aspire:http://java.com/en/download/manual.jsp

1. If you have a 64-bit machine, install the 64-bit version of Java. That will allow you to create large-memory instances of Aspire.

The Aspire framework itself does not use up that much memory (100mb or so). However, some applications may store big hash tables to improve performance, so it's best to have the 64-bit JVM  just in case you need it someday.

Test

your access to the "java" command from your console

1. Open a new DOS command-shell. (Go to the

   start

   Start menu, and enter "cmd" where it says Run or Search for Programs, and then execute the cmd.exe program).

2. At the prompt, enter the following and press Enter: java -version.

   Success is indicated when version information is returned.

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> java -version java version "11.0.2" 2019-01-15 LTS Java(TM) SE Runtime Environment 18.9 (build 11.0.2+9-LTS) Java HotSpot(TM) 64-Bit Server VM 18.9 (build 11.0.2+9-LTS, mixed mode)

Add the "JAVA_HOME" environment variable

This is needed by the Maven command-line tool

described below

. In Windows:

1. Open your the control panel.
2. Open the

   Go to

   the System control panel (may be inside the System and Security category.)

   System > Advanced System Settings

   .
3. Go to the Advanced tab (may already be selected).
Click on

> Advanced > Environment Variables.

4. Click on

   Under System variables, click New.

5. Enter "JAVA_HOME" as the

   "

   Variable name.

6. Locate the directory within your Program files where java was installed.

7. Enter this directory name as the Variable value.

 

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For Linux systems:

1. In Linux, open a terminal.
2. Type "echo $JAVA_HOME" and press Enter. If nothing is displayed, we can set it at startup by doing step 3.
3. Type "echo JAVA_HOME=/your/java/directory >> ~/.profile"
4. Logout and login again, repeating steps 1 and 2 to check if JAVA_HOME was successfully set.

> java -version java version "1.7.0_79" Java(TM) SE Runtime Environment (build 1.7.0_79-b15) Java HotSpot(TM) 64-Bit Server VM (build 24.79-b02, mixed mode)