Installing and using OpenJDK 11 for Windows

OpenJDK 11

Red Hat Customer Content Services

Abstract

OpenJDK 11 for Windows is a Red Hat offering on the Microsoft Windows platform. The Installing and using OpenJDK 11 for Windows guide provides an overview of this product and explains how to install the software and start using it.

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Chapter 1. OpenJDK 11 for Windows installation options

OpenJDK 11 for Windows can be installed using an archive or through a graphical user interface using an MSI-based installer.

Depending on your circumstance, use one of the following installation methods:

Chapter 2. Installing OpenJDK 11 for Windows with the archive

This procedure describes how to manually install OpenJDK 11 for Windows using the archive.

Procedure

  1. Download the archive of OpenJDK 11 for Windows.

  2. Extract the contents of an archive to a directory of your choice.

    Note

    Extracting the contents of an archive to a directory path that does not contain spaces is recommended.

  3. Update the PATH as below:

    1. Add the bin directory contained in your OpenJDK 11 for Windows installation path to the %PATH% environment variable: 

      C:\> setx /m PATH "%PATH%;C:\Progra~1\RedHat\java-11-openjdk-11.0.1.13-1\bin"

      If the path contains spaces, use the shortened path name.

    2. Restart Command Prompt to reload the environment variables.

  4. Verify the OpenJDK 11 for Windows is successfully installed, run java -version command in a command prompt and you must get the following output: 

    openjdk version "11.0.3-redhat" 2019-04-16 LTS
OpenJDK Runtime Environment 18.9 (build 11.0.3-redhat+7-LTS)
OpenJDK 64-Bit Server VM 18.9 (build 11.0.3-redhat+7-LTS, mixed mode)

  5. The %JAVA_HOME% environment variable must also be set to use some developer tools. Set the %JAVA_HOME% environment variable as follows:

    1. Open Command Prompt as an administrator.

    2. Set the value of the environment variable to your OpenJDK 11 for Windows installation path: 

      C:\> setx /m JAVA_HOME "C:\Progra~1\RedHat\java-11-openjdk-11.0.1.13-1"

      If the path contains spaces, use the shortened path name.

    3. Restart Command Prompt to reload the environment variables.

Chapter 3. Updating OpenJDK 11 for Windows using the archive

OpenJDK 11 for Windows can be manually update using the archive.

Procedure

  1. Download the archive of OpenJDK 11.

  2. Extract the contents of an archive to a directory of your choice.

    Note

    Extracting the contents of an archive to a directory path that does not contain spaces is recommended.

  3. On Command Prompt, update JAVA_HOME environment variable as follows:

    1. Open Command Prompt as an administrator.

    2. Set the value of the environment variable to your OpenJDK 11 for Windows installation path: 

      C:\> setx /m JAVA_HOME "C:\Progra~1\RedHat\java-11-openjdk-11.0.1.13-1"

      If the path contains spaces, use the shortened path name.

    3. Restart Command Prompt to reload the environment variables.

  4. Set the value of PATH variable if it is not set already: 

      C:\> setx -m PATH "%PATH%;%JAVA_HOME%\bin";
  5. Restart Command Prompt to reload the environment variables.

  6. Verify that java -version works without supplying the full path. 

    C:\> java -version
openjdk version "11.0.3" 2019-04-16 LTS
OpenJDK Runtime Environment (build 11.0.3+7-LTS)
OpenJDK 64-bit Server VM (build 11.0.3+7-LTS, mixed mode)

Chapter 4. Installing OpenJDK with the MSI installer

This procedure describes how to install OpenJDK 11 for Windows using the MSI-based installer.

Procedure

  1. Download the MSI-based installer of OpenJDK 11 for Windows.
  2. Run the installer for OpenJDK 11 for Windows.
  3. Click Next on the welcome screen.
  4. Check I accept the terms in license agreement, then click Next.
  5. Click Next.
  6. Accept the defaults or review the optional properties.
  7. Click Install.
  8. Click Yes on the Do you want to allow this app to make changes on your device?.

  9. Verify the OpenJDK 11 for Windows is successfully installed, run java -version command in the command prompt and you must get the following output: 

    openjdk version "11.0.3-redhat" 2019-04-16 LTS
OpenJDK Runtime Environment 18.9 (build 11.0.3-redhat+7-LTS)
OpenJDK 64-Bit Server VM 18.9 (build 11.0.3-redhat+7-LTS, mixed mode)

Chapter 5. OpenJDK MSI installer components

(Optional) Set the following OpenJDK 11 for Windows MSI-based installer components:

jdk
Java Development Kit (JDK) files.
jdk-registry-standard

Registry keys: 

HKLM\Software\JavaSoft\JDK\<version>, entries:
    JavaHome: <INSTALLDIR>
    RuntimeLib: <INSTALLDIR>\bin\server\jvm.dll

HKLM\Software\JavaSoft\JDK, entries:
    CurrentVersion: <version>
jdk_env_path
Appends <INSTALLDIR>\bin to the system %PATH% environment variable.
jdk_env_java_home
Sets <INSTALLDIR> to the system %JAVA_HOME% environment variable.
jdk_env_vendor_java_home
Sets <INSTALLDIR> to the system %REDHAT_JAVA_HOME% environment variable.
jdk_registry_jar
Association for JAR files. Launch JAR files with the OpenJDK context menu.
jmc
JDK Mission Control files, installed into <INSTALLDIR>\missioncontrol.
jmc_env
Appends <INSTALLDIR>\missioncontrol to the system %PATH% environment variable.

Appendix A. MSI-based installer properties

The OpenJDK 11 for Windows MSI-based installer includes the JDK Files component and the following optional properties:

Table A.1. OpenJDK 11 for Windows MSI-based installer properties

PropertyDescriptionDefault value

OpenJDK Runtime - Windows Registry

The following registry keys are set HKLM\Software\JavaSoft\JDK\<version>, entries: JavaHome: <INSTALLDIR> RuntimeLib: <INSTALLDIR>\bin\server\jvm.dll HKLM\Software\JavaSoft\JDK, entries: CurrentVersion: <version>

Yes

OpenJDK Runtime - Path Variable

Adds the Runtime to the Path variable so it is available from the command line.

Yes

OpenJDK Runtime - JAVA_HOME System Variable

JAVA_HOME is used by some programs to find the Java runtime.

No

OpenJDK Runtime - REDHAT_JAVA_HOME System Variable

REDHAT_JAVA_HOME can be used by some programs to find the Red Hat OpenJDK runtime.

No

OpenJDK Runtime - Jar Files Association

This enables Jar files to be run from within Windows Explorer.

No

Mission Control - Files

Contains files that are installed in the <installdir>\missioncontrol directory.

No

Mission Control - Path Variable

Appends <installdir>\missioncontrol to the system PATH environment variable.

No

Revised on 2021-10-25 12:30:57 UTC

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