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41 lines
1.5 KiB
Markdown
41 lines
1.5 KiB
Markdown
# Switching to V2
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## Java distribution
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The major breaking change in V2 is the new mandatory `distribution` input. This field should be specified with one of supported distributions. See [Supported distributions](../README.md#Supported-distributions) for a list of available options.
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Use the `zulu` keyword if you would like to continue using the same distribution as in V1.
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```yaml
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steps:
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- uses: actions/checkout@v2
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- uses: actions/setup-java@v2
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with:
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distribution: 'zulu'
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java-version: '11'
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java-package: jdk # optional (jdk or jre) - defaults to jdk
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- run: java -cp java HelloWorldApp
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```
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**General recommendation** — configure CI with the same distribution that is used on your local dev machine.
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## Installing custom Java distribution from local file
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Since the `distribution` input is required in V2, you should specify it using `jdkfile` to continue installing Java from a local file on the runner
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```yaml
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steps:
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- run: |
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download_url="https://github.com/AdoptOpenJDK/openjdk11-binaries/releases/download/jdk-11.0.10%2B9/OpenJDK11U-jdk_x64_linux_hotspot_11.0.10_9.tar.gz"
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wget -O $RUNNER_TEMP/java_package.tar.gz $download_url
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- uses: actions/setup-java@v2
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with:
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distribution: 'jdkfile'
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jdkFile: ${{ runner.temp }}/java_package.tar.gz
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java-version: '11.0.0'
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architecture: x64
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```
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## Dropping legacy Java version syntax 1.x
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V1 supported legacy Java syntax such as `1.8` (same as `8`) and `1.8.0.212` (same as `8.0.212`).
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V2 dropped support for legacy syntax so workflows should be updated accordingly.
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