I developed a stand-alone spring boot application that serves a rest service, I've packaged it as a jar and it runs correctly.
In order to release it on production server (Websphere), I have to convert it into a war.
I've updated my pom.xml adding these lines:
<properties>
<maven.compiler.target>1.7</maven.compiler.target>
<maven.compiler.source>1.7</maven.compiler.source>
</properties>
<packaging>war</packaging>
<build>
<finalName>${artifactId}</finalName>
</build>
Then, I launched maven clean package and I get the war.
So, publishing it on a Tomcat Server works fine, but on Liberty I get the error:
Error 404: SRVE0190E: File not found /
I've also modified my entry point like the following:
@SpringBootApplication
@PropertySource("classpath:alerts.properties")
public class WebApplication extends SpringBootServletInitializer
{
// public static void main(String[] args) {
// SpringApplication.run(WebApplication.class, args);
// }
@Override
protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
return application.sources(WebApplication.class);
}
}
With no success, so... how can I run a spring boot war on a Liberty Server?
UPDATE
As @Anjum Fatima suggested, I've also added the features in server.xml
<feature>jsp-2.3</feature>
<feature>springBoot-2.0</feature>
<feature>servlet-3.1</feature>
Before, in that file I've also added:
<library>
<file id="alerts.properties" name="${shared.resource.dir}/alerts.properties"/>
</library>
<webApplication id="alerts" location="alerts.war" name="alerts">
And in wlp18\usr\shared\resources I've copied the properties file.
But I still have the same error.
The alert.properties file:
spring.datasource.url=jdbc:h2:file:~/alertsdb;DB_CLOSE_ON_EXIT=FALSE;AUTO_RECONNECT=TRUE
spring.datasource.username=admin
spring.datasource.password=mypassword
spring.datasource.driver-class-name=org.h2.Driver
spring.jpa.show-sql=true
spring.jpa.hibernate.ddl-auto=update
spring.h2.console.enabled=true
spring.h2.console.settings.web-allow-others=true
spring.mvc.view.prefix: /
spring.mvc.view.suffix: .jsp
spring.messages.basename=validation
UPDATE 2
The server it's almost started, but it can't find some files like com.ibm.ws.kernel.boot.nls_1.0.22.jar, in the Liberty's lib folder there's the file com.ibm.ws.kernel.boot_1.0.22.jar (without .nls) here's the console output, what am I missing?
2020-03-18 13:44:38.950 INFO 34004 --- [ecutor-thread-4] it.mycompany.alerts.WebApplication : Started WebApplication in 10.915 seconds (JVM running for 24.544)
[WARNING ] The XML schema [web-jsptaglibrary_2_1.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
[WARNING ] The XML schema [javaee_5.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
[WARNING ] The XML schema [jsp_2_1.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
[WARNING ] The XML schema [javaee_web_services_1_2.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
[WARNING ] The XML schema [javaee_web_services_client_1_2.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
[WARNING ] The XML schema [web-app_3_0.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
[WARNING ] The XML schema [web-fragment_3_0.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
[WARNING ] The XML schema [web-common_3_0.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
[WARNING ] The XML schema [javaee_6.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
[WARNING ] The XML schema [jsp_2_2.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
[WARNING ] The XML schema [javaee_web_services_1_3.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
[WARNING ] The XML schema [javaee_web_services_client_1_3.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
[WARNING ] The XML schema [web-app_3_1.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
[WARNING ] The XML schema [web-fragment_3_1.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
[WARNING ] The XML schema [web-common_3_1.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
[WARNING ] The XML schema [javaee_7.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
[WARNING ] The XML schema [javaee_web_services_1_4.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
[WARNING ] The XML schema [javaee_web_services_client_1_4.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
[WARNING ] The XML schema [web-app_4_0.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
[WARNING ] The XML schema [web-fragment_4_0.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
[WARNING ] The XML schema [web-common_4_0.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
[WARNING ] The XML schema [javaee_8.xsd] could not be found. This is very likely to break XML validation if XML validation is enabled.
[WARNING ] Failed to scan [file:/C:/lang/appserver/wlp/wlp18/lib/com.ibm.ws.kernel.boot.nls_1.0.22.jar] from classloader hierarchy
C:\lang\appserver\wlp\wlp18\lib\com.ibm.ws.kernel.boot.nls_1.0.22.jar (File not found)
Thank you
Finally it works, I started with a new project.
Here the pom.xml (with liberty-maven-plugin):
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.2.5.RELEASE</version>
<relativePath /> <!-- lookup parent from repository -->
</parent>
<groupId>it.mycompany</groupId>
<artifactId>alerts</artifactId>
<version>1.0-SNAPSHOT</version>
<properties>
<maven.compiler.target>1.8</maven.compiler.target>
<maven.compiler.source>1.8</maven.compiler.source>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>com.ibm.mq</groupId>
<artifactId>com.ibm.mq.allclient</artifactId>
<version>9.1.4.0</version>
</dependency>
</dependencies>
<packaging>war</packaging>
<build>
<finalName>${artifactId}</finalName>
<plugins>
<plugin>
<groupId>io.openliberty.tools</groupId>
<artifactId>liberty-maven-plugin</artifactId>
<version>3.2</version>
<configuration>
<appsDirectory>apps</appsDirectory>
<mainClass>${start-class}</mainClass>
</configuration>
</plugin>
</plugins>
</build>
</project>
The entry point class:
@SpringBootApplication
@PropertySource("classpath:alerts.properties")
public class WebApplication extends SpringBootServletInitializer {
@Override
protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
return application.sources(WebApplication.class);
}
}
I created the WAR with mvn clean install then I copied it from the target dir to wlp/servers/myserver/apps (not dropins)
Finally I set the server.xml as the following:
<server description="Tester">
<featureManager>
<feature>servlet-4.0</feature>
<feature>localConnector-1.0</feature>
<feature>jsp-2.3</feature>
<feature>springBoot-2.0</feature>
</featureManager>
<httpEndpoint host="*" httpPort="9080" httpsPort="9443"
id="defaultHttpEndpoint" />
<library>
<file id="alerts.properties"
name="${shared.resource.dir}/alerts.properties" />
</library>
<webApplication id="alerts" location="alerts.war"
name="alerts" contextRoot="/" />
</server>
The Liberty Server starts fine, the application works, the only problem is that responds to localhost:9080/login and not to localhost:9080/alerts/login.
However the goal of the question is achieved, I've created a war file and it runs on a Liberty Server.
Thanks to all and especially thanks to @ScottKurz and @Anjum Fatima.