Hello Noel,
mmm, perhaps you could consider to use spring-boot for this. It provides a
nice out-of-the-box embedded tomcat:
https://spring.io/blog/2014/03/07/deploying-spring-boot-applications
Hope it helps,
Luis
2018-08-03 7:06 GMT+02:00 noel joseph <noelvinu1...@gmail.com>:
> Hey Chris,
>
> This is my code...
>
> package com.TomCat.EmbTC;
>
> import java.io.File;
> import javax.servlet.ServletException;
> import org.apache.catalina.LifecycleException;
> import org.apache.catalina.startup.Tomcat;
>
> public class App {
> public static void main(String[] args) throws LifecycleException,
> InterruptedException,
> ServletException {
> String docBase = "src/main/webapp/";
>
> Tomcat tomcat = new Tomcat();
> String webPort = System.getenv("PORT");
> if(webPort == null || webPort.isEmpty()) {
> webPort = "8111";
> }
> tomcat.setPort(Integer.valueOf(webPort));
>
> tomcat.addWebapp("/", new File(docBase).getAbsolutePath());
> System.out.println("configuring app with basedir: " + new File("./" +
> docBase).getAbsolutePath());
>
> tomcat.start();
> tomcat.getServer().await();
>
> }
> }
>
> and this is my pom.xml file....
> <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/maven-v4_0_0.xsd";>
> <modelVersion>4.0.0</modelVersion>
> <groupId>com.TomCat</groupId>
> <artifactId>EmbTC</artifactId>
> <packaging>jar</packaging>
> <version>0.0.1-SNAPSHOT</version>
> <name>EmbTC Maven Webapp</name>
> <url>http://maven.apache.org</url>
> <properties>
> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
> <maven.compiler.source>1.8</maven.compiler.source>
> <maven.compiler.target>1.8</maven.compiler.target>
> <tomcat.version>8.5.5</tomcat.version>
> </properties>
>
> <dependencies>
> <dependency>
> <groupId>junit</groupId>
> <artifactId>junit</artifactId>
> <version>3.8.1</version>
> <scope>test</scope>
> </dependency>
>
> <dependency>
> <groupId>commons-logging</groupId>
> <artifactId>commons-logging</artifactId>
> <version>1.2</version>
> </dependency>
> <dependency>
> <groupId>org.apache.tomcat.embed</groupId>
> <artifactId>tomcat-embed-core</artifactId>
> <version>${tomcat.version}</version>
> </dependency>
>
> <dependency>
> <groupId>org.apache.tomcat</groupId>
> <artifactId>tomcat-jasper</artifactId>
> <version>${tomcat.version}</version>
> </dependency>
>
> <dependency>
> <groupId>org.apache.tomcat</groupId>
> <artifactId>tomcat-jasper-el</artifactId>
> <version>${tomcat.version}</version>
> </dependency>
>
> <dependency>
> <groupId>org.apache.tomcat</groupId>
> <artifactId>tomcat-jsp-api</artifactId>
> <version>${tomcat.version}</version>
> </dependency>
> </dependencies>
> <build>
> <finalName>EmbTC</finalName>
> </build>
> </project>
>
>
> I am not making use of a web.xml file.
> This codes running perfectly on eclipse when run, depolying a tomcat server
> as expected.
> But when i convert into a jar and run it as a jnlp file i get the error...
>
> org.apache.catalina.LifecycleException: A child container failed during
> start
> at
> org.apache.catalina.core.ContainerBase.startInternal(
> ContainerBase.java:947)
> at
> org.apache.catalina.core.StandardEngine.startInternal(
> StandardEngine.java:262)
> at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
> at
> org.apache.catalina.core.StandardService.startInternal(
> StandardService.java:422)
> at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
> at
> org.apache.catalina.core.StandardServer.startInternal(
> StandardServer.java:793)
> at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
> at org.apache.catalina.startup.Tomcat.start(Tomcat.java:344)
> at com.TomCat.EmbTC.App.main(App.java:23)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method.invoke(Unknown Source)
> at com.sun.javaws.Launcher.executeApplication(Unknown Source)
> at com.sun.javaws.Launcher.executeMainClass(Unknown Source)
> at com.sun.javaws.Launcher.doLaunchApp(Unknown Source)
> at com.sun.javaws.Launcher.run(Unknown Source)
> at java.lang.Thread.run(Unknown Source)
>
> Please let me know what's the problem with my code.
>
> Thanks,
> Noel
>
--
"Ever tried. Ever failed. No matter. Try Again. Fail again. Fail better."
- Samuel Beckett
