Installation

## 3 Installation

This chapter explains how to install the Jakarta Expression Language TCK software.

After installing the software according to the instructions in this chapter, proceed to Chapter 4, "Setup and Configuration," for instructions on configuring your test environment.

### 3.1 Obtaining a Compatible Implementation

Each compatible implementation (CI) will provide instructions for obtaining their implementation. Eclipse GlassFish 5.1 is a compatible implementation which may be obtained from https://projects.eclipse.org/projects/ee4j.glassfish

### 3.2 Installing the Software

Before you can run the Expression Language TCK tests, you must install and set up the following software components:

- A Jakarta EE 8 CI

- Java SE 8

- A CI for Expression Language 3.0, one example is Eclipse GlassFish 5.1

- Expression Language TCK version 3.0, which includes:

  - JDOM 1.0

  - Apache Commons HTTP Client 3.1

  - Apache Commons Logging 1.1.1

  - Apache Commons Codec 1.3

  - Apache Ant 1.8.4

- The Expression Language 3.0 Vendor Implementation (VI)

Follow these steps:

1. Install the Java SE 8 software, if it is not already installed.
   Download and install the Java SE 8 software from http://www.oracle.com/technetwork/java/javase/downloads/index.html. Refer to the installation instructions that accompany the software for additional information.

2. Install the Expression Language TCK 3.0 software.

   1. Copy or download the Expression Language TCK software to your local system.
      You can obtain the Expression Language TCK software from the Jakarta EE site https://jakarta.ee/specifications/expression-language/3.0/.

   2. Use the `unzip` command to extract the bundle in the directory of your choice:
      `unzip eltck-3.0_dd-Mmm-YYYY.zip`
      This creates the TCK directory. The TCK is the test suite home, `<TS_HOME>`.

3. Install a Expression Language 3.0 Compatible Implementation.
   A Compatible Implementation is used to validate your initial configuration and setup of the Expression Language TCK 3.0 tests, which are explained further in Chapter 4, "Setup and Configuration."
   The Compatible Implementations for Expression Language are listed on the Jakarta EE Specifications web site: https://jakarta.ee/specifications/expression-language/3.0/.

4. Install the Expression Language VI to be tested.
   Follow the installation instructions for the particular VI under test.

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