This documentation is for WSO2 Developer Studio version 3.7.0. View documentation for the latest release.
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You have now successfully uninstalled Carbon Studio 1.x and Developer Studio 2.x features and are ready to install Developer Studio 3.x as described in the next section.

Setting JAVA_HOME

 

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Localtab
titleOn Linux and Solaris

You must set your JAVA_HOME environment variable to point to the directory where the Java Development Kit (JDK) is installed on the computer.

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Environment variables are global system variables accessible by all the processes running under the operating system.

1. In your home directory, open the BASHRC file in your favorite Linux text editor, such as vi, emacs, pico, or mcedit.

2. Add the following two lines at the bottom of the file, replacing /usr/java/jdk1.6.0_25 with the actual directory where the JDK is installed.

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export JAVA_HOME=/usr/java/jdk1.6.0_25
export PATH=${JAVA_HOME}/bin:${PATH}

The file should now look like this:

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3. Save the file.

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If you do not know how to work with text editors in a Linux SSH session, run the following command:

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cat >> .bashrc

Paste the string from the clipboard and press "Ctrl+D."

4. To verify that the JAVA_HOME variable is set correctly, execute the following command:

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echo $JAVA_HOME

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The system returns the JDK installation path.

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titleOn Windows

You must set your JAVA_HOME environment variable to point to the directory where the Java Development Kit (JDK) is installed on the computer. Typically, the JDK is installed in a directory under C:\Program Files\Java, such as C:\Program Files\Java\jdk1.6.0_27. If you have multiple versions installed, choose the latest one, which you can find by sorting by date.

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Environment variables are global system variables accessible by all the processes running under the operating system. You can define an environment variable as a system variable, which applies to all users, or as a user variable, which applies only to the user who is currently logged in.

You can set JAVA_HOME using the System Properties, as described below. Alternatively, if you just want to set JAVA_HOME temporarily in the current command prompt window, set it at the command prompt

Setting JAVA_HOME using the System Properties

  1. Right-click the "My Computer" icon on the desktop and click Properties.
  2. In the System Properties window, click the Advanced tab, and then click Environment Variables.
  3. Click New under "System variables" (for all users) or under "User variables" (just for the user who is currently logged in).
  4. Enter the following information:

    • In the Variable field, enter: JAVA_HOME
    • In the Value field, enter the installation path of the Java Development Kit, such as: c:\Program Files\Javajdk1.6.0_27
  5. Click OK.

The JAVA_HOME variable is now set and will apply to any subsequent command prompt windows you open. If you have existing command prompt windows running, you must close and reopen them for the JAVA_HOME variable to take effect, or manually set the JAVA_HOME variable in those command prompt windows as described in the next section. To verify that the JAVA_HOME variable is set correctly, open a command window (from the Start menu, click Run, and then type CMD and click Enter) and execute the following command:

set JAVA_HOME

The system returns the JDK installation path.

Setting JAVA_HOME temporarily using the Windows command prompt (CMD)

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cmd
cmd

You can temporarily set the JAVA_HOME environment variable within a Windows command prompt window (CMD). This is useful when you have an existing command prompt window running and you do not want to restart it.

1. In the command prompt window, enter the following command where <JDK_INSTALLATION_PATH> is the JDK installation directory and press Enter:

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set JAVA_HOME=<JDK_INSTALLATION_PATH>

For example:

set JAVA_HOME=c:\Program Files\java\jdk1.6.0_27

The JAVA_HOME variable is now set for the current CMD session only.

2. To verify that the JAVA_HOME variable is set correctly, execute the following command:

set JAVA_HOME

The system returns the JDK installation path.

Install Developer Studio

This section provides instructions for installing Developer Studio. The quick installation describes how to use Eclipse Marketplace to quickly install Developer Studio into a running instance of Eclipse using all the default options. The custom installation provide more information on installing Developer Studio and describes how to install it from a downloaded distribution.

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