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https://github.com/oracle-actions/setup-java

GitHub Action to download and install Oracle's Java Development Kit builds
https://github.com/oracle-actions/setup-java

java jdk openjdk oracle

Last synced: 6 months ago
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GitHub Action to download and install Oracle's Java Development Kit builds

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README 

          
# oracle-actions/setup-java



This action downloads a Java Development Kit (JDK) built by Oracle and installs it using [`actions/setup-java`](https://github.com/actions/setup-java).



JDKs built by Oracle are [Oracle JDK](https://www.oracle.com/java/technologies/downloads/) and [Oracle OpenJDK](https://jdk.java.net).



## Input Overview



| Input Name            | Default Value | Description                                                     |

|-----------------------|--------------:|-----------------------------------------------------------------|

| `website`             |  `oracle.com` | From where the JDK should be downloaded.                        |

| `release`             |          `24` | Java feature release number or name of an Early-Access project. |

| `version`             |      `latest` | An explicit version of a Java release.                          |

| `install`             |        `true` | Install the downloaded JDK archive file.                        |

| `install-as-version`  |       _empty_ | Control the value passed as `java-version`                      |

| `uri`                 |       _empty_ | Custom URI of a JDK archive file to download.                   |



### Input `website`



The `website` input specifies from where the JDK should be downloaded.

It defaults to `oracle.com`.



The following values are supported:



- [`oracle.com`](https://www.oracle.com/java/technologies/downloads/) for Oracle JDK 21 and later.



  This action only supports Oracle JDKs provided under the [Oracle No-Fee Terms and Conditions License](https://www.java.com/freeuselicense/).



- [`jdk.java.net`](https://jdk.java.net) for the current OpenJDK General Availability and Early-Access builds.



  Early-Access builds include the [mainline](https://github.com/openjdk/jdk/tags) JDK, Generational ZGC, Project Loom and jextract, Panama, Valhalla, etc.



  The [jdk.java.net-uri.properties](jdk.java.net-uri.properties) file provides a set of key-value pairs mapping OpenJDK descriptions to their download links.



### Input `release`



The `release` input denotes a Java feature release number (`21`, `22`, ...) or a name of an Early-Access project (`loom`, ...).

It defaults to the current General-Availability Release for the Java SE platform., which is `24` as of today.



Note that websites may offer a different set of available releases.

For example, `oracle.com` only offers releases of `21` and above; it does not offer Early-Access releases.



Note also that websites may stop offering any release at any time.

Please consult the website for details on which release is offered for how long.



### Input `version`



The `version` input can be used to specify an explicit version of a Java release, such as `21.0.4`.

It is set by default to `latest`.



___



> [!CAUTION]

> Older versions of the JDK are provided to help developers debug issues in older systems.

> **They are not updated with the latest security patches and are not recommended for use in production.**



___



### Input `install`



The `install` input enables or disables the automatic JDK installation of the downloaded JDK archive file.

It is enabled by default by using `true` as its value.



This action delegates to [`actions/setup-java`](https://github.com/actions/setup-java) to install the downloaded JDK archive file using default settings.

Pass `false` to skip the automatic JDK installation and invoke `actions/setup-java` with your custom settings.



### Input `install-as-version`



The `install-as-version` input allows overriding the value passed as `java-version` to the underlying `actions/setup-java` action.



Supported values of `install-as-version` include:

- `PARSE_URI` parses the computed or given URI for a valid Java version string, ex. `21.0.4`.

- `HASH_URI` returns the `hashCode()` of the computed or given URI as a string, ex. `12345`.

- All strings [supported by `actions/setup-java`](https://github.com/actions/setup-java#supported-version-syntax)



The default value of `install-as-version` depends on the `release` input documented above:

- If `release` input starts with a digit, `install-as-version` defaults to `PARSE_URI`.

- If `release` input does not start with a digit, `install-as-version` defaults to `HASH_URI`.



### Input `uri`



Use the `uri` input to download a JDK from the specified URI originating from a supported website.

The value of inputs `website`, `release`, and `version` ignored.



## Examples for `oracle.com`



The following examples use the [JDK Script Friendly URLs](https://www.oracle.com/java/technologies/jdk-script-friendly-urls/) to download and set up binaries that are made available under the [Oracle No-Fee Terms and Conditions License](https://www.java.com/freeuselicense/).



### Download and install the latest version of Oracle JDK



```yaml

steps:

  - name: 'Set up latest Oracle JDK 24'

    uses: oracle-actions/setup-java@v1

    with:

      website: oracle.com

      release: 24

```



### Download and install a specific version of Oracle JDK



```yaml

steps:

  - name: 'Set up archived Oracle JDK 21.0.4'

    uses: oracle-actions/setup-java@v1

    with:

      website: oracle.com

      release: 21

      version: 21.0.4

```

___



> [!CAUTION]

> Older versions of the JDK are provided to help developers debug issues in older systems.

> **They are not updated with the latest security patches and are not recommended for use in production.**



___



## Examples for `jdk.java.net`



The following examples download and install OpenJDK binaries that are made available under the [GNU General Public License, version 2, with the Classpath Exception](https://openjdk.java.net/legal/gplv2+ce.html).



### Download and install an OpenJDK build of a given release



```yaml

steps:

  - name: 'Set up latest JDK N from jdk.java.net'

    uses: oracle-actions/setup-java@v1

    with:

      website: jdk.java.net

      release: N # Replace N with GA, EA, 21, 22, 23, ...

```



> [!NOTE]

> This action supports two `version` symbolic modes for `release: EA` on `jdk.java.net`:

>   - `version: latest` updates as early as possible to the latest-and-greatest JDK build (default)

>   - `version: stable` updates later in the release cycle, usually when an early-access JDK build went GA



### Download and install an Early-Access build of a named OpenJDK project



```yaml

steps:

  - name: 'Set up Early-Access build of a named project from jdk.java.net'

    uses: oracle-actions/setup-java@v1

    with:

      website: jdk.java.net

      release: loom # or panama, valhalla, ...

```



## Supported GitHub Actions Virtual Environments



All [environments](https://github.com/actions/virtual-environments#available-environments) with Java 21 pre-installed are supported.

These include the following labels: `ubuntu-latest`, `macos-latest`, and `windows-latest`.



## More information



Make sure to check [the announcement and the FAQ](https://inside.java/2022/03/11/setup-java/) on Inside Java.



## Status



[![.github/workflows/test.yml](https://github.com/oracle-actions/setup-java/actions/workflows/test.yml/badge.svg)](https://github.com/oracle-actions/setup-java/actions/workflows/test.yml)