This document discusses building and running Java applications on Open Liberty. It describes how to create an executable JAR file or WAR file from a Java project, configure Open Liberty through a server configuration file, and package the application into a single executable JAR file that can be run on Liberty. The file sizes and timestamps of build artifacts are also shown.

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$ ls -l target/
drwxr-xr-x 6 takakiyo staff 192 5 17 23:27 MyDemoPorject/
-rw-r----- 1 takakiyo staff 131646898 5 17 23:27 MyDemoPorject.jar
-rw-r--r-- 1 takakiyo staff 13091 5 17 23:27 MyDemoPorject.war
drwxr-xr-x 7 takakiyo staff 224 5 17 23:27 classes/
drwxr-xr-x 3 takakiyo staff 96 5 17 23:27 generated-sources/
drwxr-xr-x 3 takakiyo staff 96 5 17 23:27 generated-test-sources/
drwxr-xr-x 3 takakiyo staff 96 5 17 23:26 liberty/
-rw-r--r-- 1 takakiyo staff 1849 5 17 23:27 liberty-plugin-config.xml
drwxr-xr-x 3 takakiyo staff 96 5 17 23:27 maven-archiver/
drwxr-xr-x 3 takakiyo staff 96 5 17 23:27 maven-status/
drwxr-xr-x 4 takakiyo staff 128 5 17 23:27 test-classes/
drwxr-x--- 3 takakiyo staff 96 5 17 23:27 wlp-package/
Single Executable JAR
WAR File
Liberty

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[INFO] Java HotSpot(TM) 64-Bit Server VM 1.8.0_181-b13 (ja_JP)
MyDemoPorject (Open Liberty 19.0.0.4/wlp-1.0.27.cl190420190419-0642)
[INFO] [AUDIT ] CWWKE0001I: MyDemoPorject
(
[INFO] [AUDIT ] CWWKT0016I: Web (default_host):
http://localhost:8181/MyDemoPorject/
[INFO] [AUDIT ] CWWKZ0001I: MyDemoPorject 2.022
:
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-/
MyDemoPorject.jar

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Liberty

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<?xml version="1.0" encoding="UTF-8"?>
<server description="${project.artifactId}">
<featureManager>
<feature>microProfile-2.2</feature>
</featureManager>
<httpEndpoint id="defaultHttpEndpoint"
httpPort="${httpPort}"
httpsPort="${httpsPort}"/>
<application location="${project.build.directory}/${project.build.finalName}.war"/>
<logging traceSpecification="${log.name}.*=${log.level}"/>
<!-- This is the keystore that will be used by SSL and by JWT. -->
<keyStore id="defaultKeyStore" location="public.jks" type="JKS" password="atbash" />
<!-- The MP JWT configuration that injects the caller's JWT into a ResourceScoped bean for inspection. -->
<mpJwt id="jwtUserConsumer" keyName="theKeyId" audiences="targetService" issuer="${jwt.issuer}"/>
</server>
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<?xml version="1.0" encoding="UTF-8"?>
<server description="${project.artifactId}">
<featureManager>
<feature>microProfile-2.2</feature>
</featureManager>
<featureManager>
<feature>javaee-8.0</feature>
</featureManager>
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<featureManager>
<feature>servlet-3.1</feature>
<feature>jsp-2.3</feature>
<feature>cdi-1.2</feature>
<feature>jdbc-4.2</feature>
</featureManager>
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<packageFile>${project.build.directory}/${project.artifactId}.jar</packageFile>
<include>runnable</include>
<serverName>${project.artifactId}</serverName>
<packageFile>${project.build.directory}/${project.artifactId}.jar</packageFile>
<include>runnable,minify</include>
<serverName>${project.artifactId}</serverName>
-rw-r----- 1 takakiyo staff 131646898 5 17 23:27 MyDemoPorject.jar
-rw-r----- 1 takakiyo staff 57990595 5 18 00:01 MyDemoPorject.jar
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