Step 1: Create a simple maven project using the maven “archetype” plugin.
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mvn -B archetype:generate -DgroupId=com.mytutorial -DartifactId=simple-spring-boot |
Step 2: Import it as an “existing maven project” into eclipse.
Step 3: The pom.xml file to bring in the Spring boot dependencies &
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Q. Why do micro services applications require a config server? A. A Config Server is a MicroServices Architecture (aka MSA) feature where all configurable parameters of Microservices are written to & maintained. It is all about externalising properties/resources files out of the project code base to an external service so...
SSH to EC2 instances via PuTTY from your local machine
Step 1: We earlier created a key-pair in “creating the EC2 instances tutorial” so that we can connect to the server from SSH clients like “putty.exe” to install the required applications like Java, Hadoop eco systems, Springboot microservices,
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This is mainly for the beginners of Java to get started with Maven. This is required not only for learning Java, but also conducive to creating your self-taught Java projects. Extends Setting up Java step by step tutorial. This is an industrial strength tool to build Java applications.
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This assumes that you set up Scala IDE for eclipse as per Setting up Scala IDE & using Maven plugins.
Step 1: Create a Scala project in Maven.
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mvn archetype:generate "-DarchetypeGroupId=net.alchim31.maven" "-DarchetypeArtifactId=scala-archetype-simple" "-DgroupId=com.mytutorial" "-DartifactId=spark-and-scala" -B |
Step 2: Import Maven project into eclipse.
File ->
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This extends Installing & getting started with Cloudera QuickStart on VMWare for windows to upgrade the Java version from 1.7.x to 1.8.x. Firstly, check if your Cloudera version supports Java 1.8. This example is running on Cloudera 5.12.
This post is obsolete with the new Cloudera version.
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Related Links
1. Setting up Maven step by step tutorial
Maven Interview Q&As
1. 12 Maven interview Questions & Answers
2. 7 More Maven interview Questions & Answers
3.
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Related Links 1. Spring Boot Web & Actuator Beginner Tutorial Step by Step. 2. Simple Spring Boot Tutorial in 8 steps. Spring Boot Interview Q&As 11 Spring boot interview questions & answers. … Read more ›...
Related Links 1. Spring MVC with Java Configs instead of XML configs step by step – No web.xml. Extends Video Tutorials 1. ⏯ Spring MVC form submission video tutorial step by step. … Read more ›...
This tutorial extends the previous tutorial Simple Akka tutorial in Java step by step and Akka tutorial “ask” request – response pattern in Java. Step 1: The “Producer.java” is an actor now. It receives messages from both “ProducerConsumerMain.java”, which is a “DeadLetterActorRef” … Read more ›...
This extends Apache Kafka example with Java – getting started tutorial | Apache Kafka example with Java Producer & Consumer Tutorial. This tutorial looks at Producer/Consumer with JSON payload using Java & Kafka broker on Docker. Refer to previous getting started tutorial to run Kafka broker on Docker & …...
This extends the previous Docker tutorials. This is a stand-alone Spark cluster tutorial on Docker compose. Step 1: The image docker file “spark.dockerfile” in the folder “docker-test/docker/spark/”.
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FROM maven:3.5-jdk-8-alpine RUN apk update \ && apk upgrade \ && apk add --update bash \ && apk add --update curl \ && rm -rf /var/cache/apk/* ARG SPARK_ARCHIVE=https://www.apache.org/dist/spark/spark-2.3.0/spark-2.3.0-bin-hadoop2.7.tgz RUN curl -s $SPARK_ARCHIVE | tar -xz -C /usr/local/ ENV SPARK_HOME /usr/local/spark-2.3.0-bin-hadoop2.7 ENV PATH $PATH:$SPARK_HOME/bin EXPOSE 4040 5005 6066 7077 8080 8081 WORKDIR $SPARK_HOME |
Step 2: The pom.xml file.
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<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> <groupId>com.myproject</groupId> <artifactId>hellodocker</artifactId> <version>1.0</version> <properties> <maven.compiler.source>1.8</maven.compiler.source> <maven.compiler.target>1.8</maven.compiler.target> </properties> <dependencies> <dependency> <!-- Spark dependency --> <groupId>org.apache.spark</groupId> <artifactId>spark-core_2.11</artifactId> <version>2.3.0</version> <scope>provided</scope> </dependency> </dependencies> <build> <plugins> <plugin> <!-- Build an executable JAR --> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-jar-plugin</artifactId> <version>3.1.0</version> <configuration> <archive> <manifest> <addClasspath>true</addClasspath> <classpathPrefix>lib/</classpathPrefix> <mainClass>com.mypkg.HelloDocker</mainClass> </manifest> </archive> </configuration> </plugin> </plugins> </build> </project> |
Step 3: The Spark code “ … Read more ›...
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